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Molecular basis for histone H3 “K4me3-K9me3/2” methylation pattern readout by Spindlin1 [Gene Regulation]

Histone recognition by “reader” modules serves as a fundamental mechanism in epigenetic regulation. Previous studies have shown that Spindlin1 is a reader of histone H3K4me3 as well as “K4me3-R8me2a” and promotes transcription of rDNA or Wnt/TCF4 target genes. Here we show that Spindlin1 also acts as a potent reader of histone H3 “K4me3-K9me3/2” bivalent methylation pattern. Calorimetric titration revealed a binding affinity of 16 nm between Spindlin1 and H3 “K4me3-K9me3” peptide, which is one to three orders of magnitude stronger than most other histone readout events at peptide level. Structural studies revealed concurrent recognition of H3K4me3 and H3K9me3/2 by aromatic pockets 2 and 1 of Spindlin1, respectively. Epigenomic profiling studies showed that Spindlin1 colocalizes with both H3K4me3 and H3K9me3 peaks in a subset of genes enriched in biological processes of transcription and its regulation. Moreover, the distribution of Spindlin1 peaks is primarily associated with H3K4me3 but not H3K9me3, which suggests that Spindlin1 is a downstream effector of H3K4me3 generated in heterochromatic regions. Collectively, our work calls attention to an intriguing function of Spindlin1 as a potent H3 “K4me3-K9me3/2” bivalent mark reader, thereby balancing gene expression and silencing in H3K9me3/2-enriched regions.




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Biochemical and biophysical analyses of hypoxia sensing prolyl hydroxylases from Dictyostelium discoideum and Toxoplasma gondii [Molecular Biophysics]

In animals, the response to chronic hypoxia is mediated by prolyl hydroxylases (PHDs) that regulate the levels of hypoxia-inducible transcription factor α (HIFα). PHD homologues exist in other types of eukaryotes and prokaryotes where they act on non HIF substrates. To gain insight into the factors underlying different PHD substrates and properties, we carried out biochemical and biophysical studies on PHD homologues from the cellular slime mold, Dictyostelium discoideum, and the protozoan parasite, Toxoplasma gondii, both lacking HIF. The respective prolyl-hydroxylases (DdPhyA and TgPhyA) catalyze prolyl-hydroxylation of S-phase kinase-associated protein 1 (Skp1), a reaction enabling adaptation to different dioxygen availability. Assays with full-length Skp1 substrates reveal substantial differences in the kinetic properties of DdPhyA and TgPhyA, both with respect to each other and compared with human PHD2; consistent with cellular studies, TgPhyA is more active at low dioxygen concentrations than DdPhyA. TgSkp1 is a DdPhyA substrate and DdSkp1 is a TgPhyA substrate. No cross-reactivity was detected between DdPhyA/TgPhyA substrates and human PHD2. The human Skp1 E147P variant is a DdPhyA and TgPhyA substrate, suggesting some retention of ancestral interactions. Crystallographic analysis of DdPhyA enables comparisons with homologues from humans, Trichoplax adhaerens, and prokaryotes, informing on differences in mobile elements involved in substrate binding and catalysis. In DdPhyA, two mobile loops that enclose substrates in the PHDs are conserved, but the C-terminal helix of the PHDs is strikingly absent. The combined results support the proposal that PHD homologues have evolved kinetic and structural features suited to their specific sensing roles.




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Structural basis for allosteric regulation of pyruvate kinase M2 by phosphorylation and acetylation [Molecular Biophysics]

Pyruvate kinase muscle isoform 2 (PKM2) is a key glycolytic enzyme and transcriptional coactivator and is critical for tumor metabolism. In cancer cells, native tetrameric PKM2 is phosphorylated or acetylated, which initiates a switch to a dimeric/monomeric form that translocates into the nucleus, causing oncogene transcription. However, it is not known how these post-translational modifications (PTMs) disrupt the oligomeric state of PKM2. We explored this question via crystallographic and biophysical analyses of PKM2 mutants containing residues that mimic phosphorylation and acetylation. We find that the PTMs elicit major structural reorganization of the fructose 1,6-bisphosphate (FBP), an allosteric activator, binding site, impacting the interaction with FBP and causing a disruption in oligomerization. To gain insight into how these modifications might cause unique outcomes in cancer cells, we examined the impact of increasing the intracellular pH (pHi) from ∼7.1 (in normal cells) to ∼7.5 (in cancer cells). Biochemical studies of WT PKM2 (wtPKM2) and the two mimetic variants demonstrated that the activity decreases as the pH is increased from 7.0 to 8.0, and wtPKM2 is optimally active and amenable to FBP-mediated allosteric regulation at pHi 7.5. However, the PTM mimetics exist as a mixture of tetramer and dimer, indicating that physiologically dimeric fraction is important and might be necessary for the modified PKM2 to translocate into the nucleus. Thus, our findings provide insight into how PTMs and pH regulate PKM2 and offer a broader understanding of its intricate allosteric regulation mechanism by phosphorylation or acetylation.




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Mapping invisible epitopes by NMR spectroscopy [Molecular Biophysics]

Defining discontinuous antigenic epitopes remains a substantial challenge, as exemplified by the case of lipid transfer polyproteins, which are common pollen allergens. Hydrogen/deuterium exchange monitored by NMR can be used to map epitopes onto folded protein surfaces, but only if the complex rapidly dissociates. Modifying the standard NMR-exchange measurement to detect substoichiometric complexes overcomes this time scale limitation and provides new insights into recognition of lipid transfer polyprotein by antibodies. In the future, this new and exciting development should see broad application to a range of tight macromolecular interactions.




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FRET and optical trapping reveal mechanisms of actin activation of the power stroke and phosphate release in myosin V [Enzymology]

Myosins generate force and motion by precisely coordinating their mechanical and chemical cycles, but the nature and timing of this coordination remains controversial. We utilized a FRET approach to examine the kinetics of structural changes in the force-generating lever arm in myosin V. We directly compared the FRET results with single-molecule mechanical events examined by optical trapping. We introduced a mutation (S217A) in the conserved switch I region of the active site to examine how myosin couples structural changes in the actin- and nucleotide-binding regions with force generation. Specifically, S217A enhanced the maximum rate of lever arm priming (recovery stroke) while slowing ATP hydrolysis, demonstrating that it uncouples these two steps. We determined that the mutation dramatically slows both actin-induced rotation of the lever arm (power stroke) and phosphate release (≥10-fold), whereas our simulations suggest that the maximum rate of both steps is unchanged by the mutation. Time-resolved FRET revealed that the structure of the pre– and post–power stroke conformations and mole fractions of these conformations were not altered by the mutation. Optical trapping results demonstrated that S217A does not dramatically alter unitary displacements or slow the working stroke rate constant, consistent with the mutation disrupting an actin-induced conformational change prior to the power stroke. We propose that communication between the actin- and nucleotide-binding regions of myosin assures a proper actin-binding interface and active site have formed before producing a power stroke. Variability in this coupling is likely crucial for mediating motor-based functions such as muscle contraction and intracellular transport.




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Shared requirements for key residues in the antibiotic resistance enzymes ErmC and ErmE suggest a common mode of RNA recognition [Enzymology]

Erythromycin-resistance methyltransferases are SAM dependent Rossmann fold methyltransferases that convert A2058 of 23S rRNA to m6 2A2058. This modification sterically blocks binding of several classes of antibiotics to 23S rRNA, resulting in a multidrug-resistant phenotype in bacteria expressing the enzyme. ErmC is an erythromycin resistance methyltransferase found in many Gram-positive pathogens, whereas ErmE is found in the soil bacterium that biosynthesizes erythromycin. Whether ErmC and ErmE, which possess only 24% sequence identity, use similar structural elements for rRNA substrate recognition and positioning is not known. To investigate this question, we used structural data from related proteins to guide site-saturation mutagenesis of key residues and characterized selected variants by antibiotic susceptibility testing, single turnover kinetics, and RNA affinity–binding assays. We demonstrate that residues in α4, α5, and the α5-α6 linker are essential for methyltransferase function, including an aromatic residue on α4 that likely forms stacking interactions with the substrate adenosine and basic residues in α5 and the α5-α6 linker that likely mediate conformational rearrangements in the protein and cognate rRNA upon interaction. The functional studies led us to a new structural model for the ErmC or ErmE-rRNA complex.





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Existence and uniqueness result for reaction-diffusion model of diffusive population dynamics

A. Kh. Khachatryan, Kh. A. Khachatryan and A. Zh. Narimanyan
Trans. Moscow Math. Soc. 83 (), 183-200.
Abstract, references and article information




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Visualizing the Data: The Evolution of Trade Tensions in Metals and Minerals Markets

Visualizing the Data: The Evolution of Trade Tensions in Metals and Minerals Markets 18 January 2018 — 4:30PM TO 6:00PM Anonymous (not verified) 19 December 2017 Chatham House, London

Over the past decade, producer countries such as South Africa, Zambia, Indonesia, the DRC and, most recently, Tanzania have restricted exports of unprocessed precious metals, copper, nickel, cobalt and other minerals in an attempt to support, or create, downstream processing industries and jobs or increase revenues. These moves have invariably created tensions with trading partners. Research suggests that export restrictions are not the best way to achieve such policy objectives and can instead harm the producer country’s economy and undermine the functioning of international metals and minerals.

Drawing on OECD and Chatham House research on resource trade, the speaker will present analysis and data visualizations exploring the drivers of past export restrictions and their political and economic impacts. They will also consider how the drivers of ‘resource nationalist measures’ are changing, whether and where export restrictions might present strategic and economic risks in the current context, and the extent to which producer and consumer governments and international governance mechanisms are prepared to address them.

Attendance at this event is by invitation only.




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Fossil Fuels Expert Roundtable: How Solar is Shaping the Energy Transition

Fossil Fuels Expert Roundtable: How Solar is Shaping the Energy Transition 1 June 2018 — 9:00AM TO 10:30AM Anonymous (not verified) 22 May 2018 Chatham House, London

As global temperatures rise and extreme weather events multiply, doubts over the reality and imminence of climate change have dissipated. Despite this, there is a clear lack of urgency by governments to the approaching crisis. At this event, Prem Shankar Jha will set out what he believes are the three main causes for this inaction.

Furthermore, he will argue that catastrophic climate change is imminent, but even if it weren’t, the risk is too great to ignore. Only a complete shift from fossil fuels by 2070 at the latest would provide reasonable certainty of avoiding irreversible consequences. This transition is not only possible but the technologies to enable it were harnessed four to nine decades ago – and all of them draw their primary energy from the sun. These technologies are already capable of delivering electricity, transport fuels, and petrochemicals at prices that are competitive with the current delivered cost of electricity in the US and Western Europe. So what is holding up the energy shift?

Attendance at this event is by invitation only.




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Flexible Distribution Systems: New Services, Actors and Technologies

Flexible Distribution Systems: New Services, Actors and Technologies 4 September 2018 — 9:00AM TO 10:30AM Anonymous (not verified) 31 July 2018 Chatham House, London

The pace of the energy transition is accelerating. Solar and wind are dramatically falling in cost and displacing fossil fuel generators. Simultaneously, the rapid uptake of electric vehicles and battery storage systems are beginning to send shock-waves through the electricity sector.

As the proportion of distributed energy resources (DERs) connected to the distribution network grows, a significant opportunity is beginning to present itself. What if the concerns of renewable integration and associated costs could be solved by the smart integration of these DERs?

By properly valuing the services DERs can provide, actively managing the distribution system and creating new market places, might a truly renewable electricity system capable of supporting the electrification of heat and transport be possible?

During this roundtable, Andrew Scobie, CEO of Faraday Grid, will provide an overview of the challenges and opportunities faced within the distribution network and explain why the current system is no longer fit for purpose.

This is the inaugural event in the Energy Transitions Roundtable (ETR) series.




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Environmental Change and Emerging Diseases

Environmental Change and Emerging Diseases 28 October 2020 — 3:00PM TO 4:00PM Anonymous (not verified) 13 October 2020 Online

Understanding how environmental changes are directly and indirectly affecting the emergence and spread of disease has assumed global importance.

There is growing awareness that deforestation and land-use conversion, urbanization, human migration, international commerce, and climate change are having significant impacts on human health, but their impact on increasing infectious disease risks has only become more evident with the coronavirus pandemic.

With climate change, and environmental change more generally, disrupting ecologies, and people interacting with wildlife in new ways, it creates the conditions for new diseases to emerge: a better understanding of the health dimensions of environmental change will be critical to managing pandemic risks in future. 

Our event will examine the relationship between environmental change and disease, how these linkages have manifested in historical outbreaks and in the coronavirus pandemic, and the role of environmental policies in minimizing the risk of future emerging diseases.  What can be done to ensure equitable action? What can we learn from our responses to previous pandemics? And will the growing recognition of the diverse risks arising from climate change motivate more climate action?

This event will launch the Energy, Environment and Resources (EER) Programme’s Environment and Society Discussion Series. This series aims to provide a platform to promote interdisciplinary knowledge sharing and policy dialogue to mitigate and adapt to the impacts that climate change, biodiversity loss and natural resource depletion are having on people and communities globally, and on geopolitics, security and international development.

Sign up to find out about more events in this series here




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Feminist solutions to the climate crisis

Feminist solutions to the climate crisis 8 March 2022 — 11:00AM TO 12:00PM Anonymous (not verified) 1 March 2022 Online

This International Women’s Day panel explores intersectional feminist approaches to solving the climate crisis.

Gender inequality and climate change are closely intertwined. Due to their different and unequal social roles and status, women, girls and people of marginalised genders are disproportionately affected by climate change impacts, also differentiated by factors such as age, race, ability and location.

They are also leading innovative solutions to climate change at all levels, especially in frontline communities. Yet as the Glasgow Women’s Leadership statement highlighted at COP26, there is still a lack of momentum for prioritising their knowledge, tools and leadership in climate policy and action.  

This panel considers what feminist approaches can bring to climate change communication and movement building, spotlighting a range of local and regional gender-responsive climate initiatives. It also discusses concrete examples of feminist and gender-responsive policies to address climate change, such as the Feminist Green New Deal.

The panel highlights the critically important work being carried out by diverse feminist activists and researchers, and how the audience can centre gender and social equality in their work on climate change.  




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Duterte’s Victory Is Cry for Help From Those Left Behind in Philippines

Duterte’s Victory Is Cry for Help From Those Left Behind in Philippines Expert comment sysadmin 12 May 2016

But large support for mainstream parties and a mature democratic system should keep the country from slipping back towards authoritarianism.

Rodrigo Duterte prepares to vote inside a polling precinct on 9 May 2016 in Davao. Photo by Getty Images.

The victory of political outsider Rodrigo Duterte in the 2016 Philippines’ elections is proof that a significant minority of the country’s population feels left behind by its recent economic success and estranged from its political elite. However the results of the elections as a whole suggest that most voters opted for a continuation of the current government’s policies.

Duterte looks almost certain to be inaugurated as the next president of the Philippines on 30 June. The country’s presidential voting system – a single round, first-past-the-post election – delivered victory to a populist outsider with 39 per cent support. Two candidates advocating a continuation of the current government’s policies − the Liberal Party’s Mar Roxas and independent Grace Poe − polled a combined 45 per cent. The long-standing factionalism within Philippines elite politics split the ‘anti-Duterte’ vote.

Changing the conversation

The contrast between Duterte and Roxas could hardly be greater. Mar Roxas is the grandson of the first president of an independent Philippines, a graduate of Wharton Business School and a former investment banker in the US. Rodrigo Duterte is a political outsider with an electoral base geographically almost as far from Manila as is possible to get in the Philippines: the city of Davao on the island of Mindanao.

The story of Duterte’s victory is the story of how ‘Duterte managed to change the national conversation from poverty towards crime and corruption,’ says Marites Vitug, editor-at-large of one of the Philippines’ most popular online news sites, Rappler. In January, Duterte was running fourth in opinion polls but a strategy that positioned him as the only opponent to the Manila elite gave him victory. This is the first time a provincial official has made it to the top job.

The headline figures tell us that the Philippines’ economy has done very well under President Benigno Aquino. Between 2010 and 2014, growth averaged 6.3 per cent per year. That fell to a still-impressive 5.8 per cent last year but is expected to pick up this year and next, according to the Asian Development Bank. Growth in agriculture, however, is significantly slower and rural areas feel left behind. While economic growth is benefiting the majority, inequality is worsening and resentment rising in poor villages. The contrast between the metropolitan sophistication of the Makati district in Manila and life in faraway provinces such as Duterte’s Mindanao is widening.

Ironically the Philippines’ economic success is a part of the explanation for the defeat of the ‘mainstream’ presidential candidates. Crime and corruption may have become more important issues simply because more voters have become better off and therefore more likely to be concerned about crime and corruption than before. It’s also undeniable that Duterte has a record for getting things done. Human rights groups rightly criticize his (at best) tolerance of the extra-judicial killing of alleged criminals but his repeated re-election as mayor demonstrates that many citizens are prepared to accept that in exchange for improved personal security. A surprising number of Manila residents have actually moved to Davao because of its better quality of life.

Traditional power bases

However, the results as a whole suggest a narrow majority in favour of current policies. In the vice-presidential race, the Liberal Party candidate Leni Robredo is narrowly ahead of Ferdinand ‘Bongbong’ Marcos, the son of the eponymous former president. Like Duterte she is regarded as a successful mayor of a well-run city, Albay. Duterte’s running mate Alan Cayetano received just 14 per cent of the vote.

In the senate election, Liberals won five of the 12 seats being contested, with a party- backed independent winning a sixth. The opposition, even with boxing champion and national idol Manny Pacquiao running for the United Nationalist Alliance, won four.

Taken as a whole, the results show the enduring nature of traditional Philippines power bases. The country’s many islands and distinct linguistic and cultural regions are virtual fiefs in which families and big bosses can wield almost total power through control of local authorities, businesses, the courts and security forces.

Threat to democracy?

It’s easy to forget that the election of Ferdinand Marcos in 1965 was originally welcomed as a challenge to the traditional elites of Philippine politics. The same accolades are currently greeting Duterte. Could they presage a return to the Philippines’ bad old days?

This seems less likely. Philippine democracy has matured considerably since Marcos declared martial law in 1972. There is a substantial, and vocal, middle class with experience of mobilizing against ‘bad’ presidents. There will also be pressures from international investors and the Philippines’ treaty ally, the United States, for better governance.

The Philippines will chair the Association of Southeast Asian Nations next year. That will put Duterte in the international spotlight as host of several international meetings – including the East Asia Summit attended by, among others, the presidents of China, Russia and the US. Since his victory Duterte has promised to act with decorum in office and declared that his election campaign antics were just a ploy to attract attention. Some leaders in Southeast Asia will use his victory to buttress their arguments against allowing their people to freely vote. It’s up to Duterte to decide whether he wants to be an advertisement for – or an argument against – democracy.

To comment on this article, please contact Chatham House Feedback




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Populism Comes to South Korea

Populism Comes to South Korea Expert comment sysadmin 20 December 2016

Public disgust with the embattled president reflects not only the unedifying details of her impeachment but a wider distrust of the political system.

South Korean protesters hold torches during a rally against the president in central Seoul. Photo by Getty Images.

For South Korea’s President Park Geun-hye, the jury is quite literally still out. Impeached by the country’s National Assembly on 9 December over claims of corruption, cronyism and influence peddling, she defiantly rejected – in a detailed statement – all of the charges levelled at her by an independent prosecutor. Any resolution of the issue must now await the ruling of the country’s Constitutional Court on the legitimacy of the impeachment vote – a decision that most likely will come early in the new year.

For the special prosecutor’s office, which is due to start its formal investigation on 21 December, the challenge is to find unambiguous evidence of the president’s direct responsibility for any of the corruption that may have taken place. The president, for her part, can claim, with some credibility that so far she has been tried only in the court of public opinion; that in South Korea’s rumour-prone, scandal-hungry media environment in which prosecutors have been known in the past to leak information to skew public debate, she has been denied natural justice and the presumption of innocence until proven guilty.

Long shadows

But for the more than three-quarters of the Korean public calling for Park’s resignation, the president is symptomatic of Korean society’s wider flaws, including a pattern of corruption, privilege and hypocrisy endemic to the country’s political, economic and social elites. At a time of anemic economic growth (the country’s growth rate is predicted to slow to 2.1% next year), widening wealth and income disparities and reduced employment opportunities for a highly educated workforce, there is a growing mood of populist disaffection with the entire social and political system – for its lack of fairness and transparency and its perceived regulatory inefficiencies. This has been highlighted dramatically by disasters such as the Sewol ferry sinking that claimed the lives of some 300 school-children in August 2014 – at which time the president was castigated for being absent from her office at the time of a grave national crisis.

Complicating the current stand-off is the long-shadow of identity politics and unresolved disagreements about the country’s postwar historical narrative. As the daughter of the man responsible for the Korean economic ‘miracle’ who protected the country from the external communist threat in the North and radical subversion from within, Park’s political lineage is, for the older generation of voters in their sixties and above, a powerful reason to back the beleaguered president.

Already there are signs that this constituency is beginning to rally behind Park, with 30,000 demonstrating on 17 December against the impeachment decision, and with the governing Saenuri party showing signs of a consolidation of power around pro-Park legislators. The president, who has a reputation for stubbornness, may be calculating that this core support may allow her to defy the much larger calls for her resignation. She may also be hoping that the constitutional court, in which the majority of justices are politically conservative, will rule in her favour, allowing her to see out the remainder of her time in office, set to end in February 2018.

A pro-Park ruling by the court seems unlikely given the weight of the circumstantial evidence. Leading opposition politicians, including Moon Jae-in, former head of the Democratic Party and the current front runner in any post-impeachment presidential contest, has warned of a popular ‘revolution’ if the impeachment vote is not upheld. Moreover, the appetite for street protests against the president remains undimmed, and even conservative politicians appear to be positioning themselves for a post-Park era. Ban Ki-moon, the outgoing UN secretary general and long considered a likely Saenuri party candidate for the presidency, has been publicly distancing himself from Park. With 20.5% support, behind Moon on 23.7%, he has compelling reasons to align himself with the popular mood.

Lessons

At an individual level, the experience of President Park combines both political failure and personal tragedy. She has demonstrably failed to live up to her early commitments to represent all Koreans and to bridge the deep divisions between left and right in Korean society. She has also remained deeply isolated from the professional politicians and democratic polity she purports to lead. This is perhaps not so surprising given her authoritarian heritage and the experience of seeing both her parents assassinated in space of five years in the 1970s. The trauma of this experience reportedly made her distrustful of government officials and overly inclined to rely on the guidance of personal friends of dubious reliability, the font of her current troubles. There is also a profound irony that a politician who came to power vowing to place ‘trust-politik’ at the heart of her policy towards North Korea has seen her political position undermined, perhaps fatally, by a near complete collapse in public confidence in her administration.

More widely, the Park saga reveals an important and potentially seismic shift in public attitudes in South Korea, perhaps spurred by a growing populist trend evident elsewhere, whether in the US, Europe or parts of Southeast Asia. Koreans appear to have lost patience with their political system. This new climate of dissent – emboldened by the signs that protest can potentially lead to radical political change – is likely to prove a challenge to any future Korean leader hoping to secure the trust and legitimacy needed to govern.

To comment on this article, please contact Chatham House Feedback




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‘Hong Kong is now in the hands of its people – they cannot rely on others to stick up for them now.’

‘Hong Kong is now in the hands of its people – they cannot rely on others to stick up for them now.’ Expert comment sysadmin 29 June 2017

Kerry Brown on ‘one country, two systems’, the UK’s diminishing influence and the territory’s future, 20 years after the handover.

Hong Kong and Chinese flags hang in preparation for President Xi Jinping’s visit. Photo: Getty Images.

1 July marks the 20th anniversary of the transfer of Hong Kong’s sovereignty from Britain to China. Kerry Brown speaks with Jason Naselli about what the future holds for the territory.

How sustainable is the ‘one country, two systems’ framework? Will the arrangement last the full 50 years (until 2047) as originally envisioned?

It is questionable whether the arrangement that exists today was the one envisioned in 1997 when the handover happened. It was always a very abstract, flexible system, granting Hong Kong a high degree of autonomy, meaning it could maintain its capitalist system. Of course, in the lead up to 1997 all these things were broadly seen as being in Beijing’s interests to preserve.

But these days, the one thing that few said in 1997 has come to pass – the People’s Republic has maintained one-party rule as a political system, but become one of the world’s great economies. It has been so far a huge success.

Hong Kong therefore has diminished in importance over the years to the point that maintaining at least some semblance of one country, two systems is almost like an act of charity. It has been nibbled at, compromised and seems to grow weaker by the day. Most in Hong Kong would say there is a system: one country, one system. That’s the deal.

The central government’s deepening involvement in the territory’s politics is a subject of growing controversy in Hong Kong. Does the Chinese government need to alter its approach?

Not particularly. It doesn’t want to see Hong Kong fail as an economy. That doesn’t suit its interests at all. But nor does it want a truculent, disobedient polity that is meant to be part of its sovereign territory.

So it has increasingly set political parameters. Hong Kong can have its unique system – as long as it is obedient. And on the whole, that is the deal that all of the city’s chief executives until now have internally understood perfectly.

As part of the 1997 handover, the UK has ‘a continuing moral and political obligation’ to Hong Kong. How will this relationship play out as Brexit shifts Britain’s place in the world?

The Foreign Office offers a six-monthly report to Parliament, updating on how the handover deal is going. As the years go on, however, it becomes increasingly illusive how the UK has any real locus to say much about the situation on Hong Kong. It did say, rightly, that the detainment of one of the booksellers taken in in 2015 was a violation of the treaty because he was British. This was the strongest wording that has ever appeared from an official British source. But with dependence on creating a new kind of relationship with China now foremost in people’s minds because of Brexit and other economic pressures, it is not surprising that the priority increasingly lies elsewhere.

With direct management of Hong Kong gone, the UK was always going to be more and more irrelevant. That has happened. And in any case, relations with China have had to become more complex and multifaceted. Hong Kong was always the tail wagging the dog for the UK relations with China. Now there has been a rebalancing, the calculation always has to be how much unilaterally supporting Hong Kong will damage relations with Beijing. This has become an increasingly asymmetrical question: in a playoff, preserving links with Beijing will always prevail. That’s just the reality of the new world we are seeing come into being.

Hong Kong has played an important financial role for China over the past 20 years, but where will it fit as markets and financial institutions on the mainland mature?

It maintains is role as a major RMB hub, and as a finance centre. But it is surrounded by competition. Singapore, and Sydney, and other places in the region have RMB deals. Shanghai and Tianjin aspire to be portals for entry to the domestic Chinese market. Hong Kong every day has to think of new ways to maintain its relevance and beat back competition. So far, it has done well. But this is an issue it can never be complacent about.

What has been the most significant change in Hong Kong society since 1997?

The rising cultural and linguistic influence of the mainland on Hong Kong. Hong Kong has maintained its difference – but it has had to change. It is clear that Hong Kong is now in the hands of Hong Kongese – they cannot rely on others to stick up for them now. The culture, identity and future of the territory are in their hands. In that sense, they have autonomy.




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Root Causes of Rohingya Crisis Must Not be Ignored

Root Causes of Rohingya Crisis Must Not be Ignored Expert comment sysadmin 28 September 2017

The focus on Aung San Suu Kyi masks the complete lack of an adequate response to the crisis in Myanmar, whether at the global or regional level.

A woman attends a broadcast of the live speech of Myanmar’s State Counselor Aung San Suu Kyi at City Hall in Yangon on September 19, 2017. Photo: Aung Kyaw Htet/AFP/Getty Images

Aung San Suu Kyi’s recent speech on the Rohingya crisis was - at best - light on details on how the current situation could be remedied and - at worst - full of easily disproven assertions.

While she does not directly control the military, it is her government that is blocking humanitarian access to the areas affected by the violence. And the Rohingya have faced systemic persecution and discrimination for decades.

Some may argue this is simply realpolitik and that any public support for the Rohingya could mean facing a backlash from the military and a large part of her support base. But arguably, she does have moral authority (which helped her in the past to stand up to the military generals) that is now being eroded by her ambivalence in speaking out.

However, the focus on Aung San Suu Kyi masks the complete lack of an adequate response to the crisis – whether at the global or regional level.

Undertaking dangerous and perilous journeys

Since the attacks on border and military posts by the armed group Arakan Rohingya Salvation Army (ARSA) in August 2017, there has been a strong military crackdown against the Rohingya in Rakhine state: a substantial number of Rohingya villages destroyed; close to half a million people Rohingya fleeing into Bangladesh and tens of thousands internally displaced within Myanmar.

Prince bin Ra’ad , UN High Commissioner for Human Rights, has called the crisis a “textbook example of ethnic cleansing” and tens of thousands of Rohingya are still undertaking dangerous and perilous journeys seeking sanctuary. In response, the UN and EU have focused on addressing the immediate humanitarian crisis in Bangladesh, which is already home to many formerly displaced Rohingya communities.

Within the region, Sheikh Hasina’s secular Awami League government in Bangladesh initially proposed joint military operations with Myanmar against the ARSA - in part because of concerns about the long standing relationship between Rohingya political or armed groups and the Jamaat-e-Islami, an ally of the main opposition Bangladesh Nationalist Party (BNP).

However, faced with massive refugee flows, Bangladesh turned its focus to the humanitarian crisis while stressing that Myanmar must allow the return of refugees. Bangladesh’s concern is partly motivated by internal security concerns. If the current situation becomes protracted, with no clear resolution in sight, frustration could create the conditions for further radicalisation within Rohingya communities.

The Association of South East Asian Nations (ASEAN) has yet to come to grips with the situation. Despite its mandate to ensure peace and stability within the region, its policy of non-interference and consensus trumps the need to secure and maintain stability. Instead countries have responded bilaterally - for example, Indonesia sent its foreign minister to both Myanmar and Bangladesh while Malaysia has been consistently vocal about its concerns.

So this raises broader questions on the effectiveness of ASEAN. Currently celebrating its 50th anniversary, ASEAN needs to decide how to mediate and resolve issues with regional implications as its principle of non-intervention effectively blocks any constructive discussion on the Rohingyas ongoing statelessness and impact of this on the region.

However, there is also an opportunity here for ASEAN to consider how mediation and negotiation could potentially manage such crises. And there is a historical precedent: the 1989 Comprehensive Plan of Action on Indo-Chinese refugees saw cooperation between recipient countries in the region and the international community on how to resettle Vietnamese refugees (although Cold War considerations did play a part in that specific crisis).

India and China have both backed Myanmar, reflecting their economic and security interests in the country but also motivated by each wanting to contain the influence of the other within Myanmar. Rakhine is important with its natural resources and coastal location and, as China is not directly affected by the refugee crisis, it has less to lose than others in standing by Aung San Suu Kyi and her government.

India is nearing completion of the Kaladan Multi-modal Transit Transport Project, connecting the Bay of Bengal with the northeast Indian state of Mizoram, and sees Myanmar as an important market for its regional ambitions. For parts of the Indian administration, the crisis plays to a domestic narrative that some of the Rohingya already settled in Jammu and Kashmir have links to armed groups in Pakistan and are an internal security concern.

So while India is providing humanitarian aid to Bangladesh, it is also threatening to deport almost 40,000 Rohingya. The case is currently being heard at the Indian Supreme Court, but given that the Rohingya lack citizenship in Myanmar, it is not clear to where they would be deported.

Myanmar, ASEAN and other affected countries need to show political will to find a solution to the Rohingya’s long-standing issue of statelessness - discrimination was legally formalised in a 1982 Burma Citizenship Law, which recognised 135 ethnicities for citizenship but excluded the Rohingya.

The root causes of this crisis – long standing discrimination, persecution and lack of citizenship – cannot be ignored. There is a need for a comprehensive peace process, which recognises the ethnic and religious diversity within Myanmar.

And incentives, such as improving infrastructure, access to services and livelihoods, may also be needed to ensure there is a lasting solution that allows the Rohingya return and thrive as part of Myanmar society.

Without such a response, it is difficult to see an end to the current impasse.




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The Hard Truth Is Rohingya Refugees Are Not Going Home

The Hard Truth Is Rohingya Refugees Are Not Going Home Expert comment sysadmin 6 October 2017

The only likely outcome of the crisis is the near-permanent presence of hundreds of thousands of Rohingya along the Bangladesh border.

A Rohingya refugee camp in Bangladesh. Photo: Getty Images.

The harrowing scenes of human suffering on the Myanmar–Bangladesh border have provoked outpourings of sympathy and some firm statements by international politicians. At least half a million people have been brutally expelled from their homes and are now living in miserable conditions in muddy refugee camps and storm-drenched shanty towns. As the international community debates how to respond, it needs to take a clear-eyed view of the situation and recognise a brutal truth: the refugees are almost certainly not going home.

Consequently, policymakers must not hide behind the fiction that Bangladesh is only temporarily hosting the refugees in preparation for their rapid return home. Over-optimistic assumptions now will lead to worse misery in the long term. Instead, the world needs to plan on the basis that Bangladesh will be hosting a very large and permanent refugee population.

The expulsion of the Rohingya Muslims from Rakhine State in northwestern Myanmar is the culmination of decades of discriminatory policies enacted by the country’s military rulers since 1962. In 1978, the Burmese military’s ‘Operation Dragon King’ pushed 200,000 Muslims into Bangladesh. International pressure forced the military to allow most of them to return. Then, in 1991–92, the military again expelled a quarter of a million people. Bangladesh forced some of them back over the border and eventually the military agreed to allow the United Nations High Commissioner for Refugees to manage the repatriation of most of the remainder.

State-sponsored abuses of the Rohingya and ethnic violence perpetrated against them by chauvinists among the ethnic Rakhine population have continued. The abuse became dramatically worse in 2012 when tens of thousands of Rohingya were forced to flee their homes, although most remained inside the country. This year, armed attacks by self-proclaimed defenders of the Rohingya, the Arakan Rohingya Salvation Army, gave the military an excuse to mount what the UN High Commissioner for Human Rights called ‘a textbook example of ethnic cleansing’.

It is tempting to believe that, as before, the Myanmar government will allow the expelled Rohingya to return after international pressure. However, recent geopolitical developments in southeast Asia and the election of a democratic government in Myanmar in 2015 make this much less likely.

Southeast Asia is now an arena of geopolitical competition between China and its rivals: mainly the United States, India and Japan. All are battling for influence. Both China and India have made public statements of support for Myanmar’s government in the current crisis. In that context, diplomatic pressure or economic sanctions imposed by Europe or the United States will only have one effect – to push Myanmar towards China.

Moreover, those in the EU and US who want to see democracy survive in Myanmar will be unwilling to push the elected government led by Aung San Suu Kyi too far. There is an extraordinary degree of hostility towards the Rohingya among the majority Bamar population. This has broken out into street violence on occasions but even where the situation is calm, anti-Muslim prejudice is easily awoken. The current government is very unlikely to challenge such sentiments at a time when it is trying to preserve its position against the military’s continuing domination of political and economic life.

Myanmar is one of the 10 members of the Association of Southeast Asian Nations but ASEAN is unlikely to impose any meaningful pressure. Only Malaysia has been publicly critical of Myanmar’s government. Indonesia has attempted to mediate – its foreign minister Retno Marsudi has held face-to-face meetings with Aung San Suu Kyi – but without apparent effect. Both countries have sent aid and volunteers to the Rohingya refugee camps but there is absolutely no talk of sanctions or other overt pressure.

The question then is: what will happen to the refugees? One option could be resettlement, but neither Bangladesh nor any of the other states in the region are willing to take them in. Malaysia already hosts 60,000 registered Rohingya refugees and probably another 150,000 unregistered ones. Unknown thousands of Rohingya have fled to Thailand and Indonesia by boat but have often fallen victim to unscrupulous human traffickers in cahoots with local officials. Thailand has already said it will refuse to allow new ‘boat people’ to land.

The only likely outcome therefore is the near-permanent presence of hundreds of thousands of Rohingya along the Bangladesh border. Delaying preparations for a permanent refugee population in the hope that they will be allowed to re-cross the border back into Myanmar will only make the situation worse. Seventy years ago, another ‘temporary’ movement of people into refugee camps created decades of instability around the Middle East. The world must remember the Palestinians as it plans for the future of the Rohingya.




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Artificial Intelligence Apps Risk Entrenching India’s Socio-economic Inequities

Artificial Intelligence Apps Risk Entrenching India’s Socio-economic Inequities Expert comment sysadmin 14 March 2018

Artificial intelligence applications will not be a panacea for addressing India’s grand challenges. Data bias and unequal access to technology gains will entrench existing socio-economic fissures.

Participants at an AI event in Bangalore. Photo: Getty Images.

Artificial intelligence (AI) is high on the Indian government’s agenda. Some days ago, Prime Minister Narendra Modi inaugurated the Wadhwani Institute for Artificial Intelligence, reportedly India’s first research institute focused on AI solutions for social good. In the same week, Niti Aayog CEO Amitabh Kant argued that AI could potentially add $957 billion to the economy and outlined ways in which AI could be a ‘game changer’.

During his budget speech, Finance Minister Arun Jaitley announced that Niti Aayog would spearhead a national programme on AI; with the near doubling of the Digital India budget, the IT ministry also announced the setting up of four committees for AI-related research. An industrial policy for AI is also in the pipeline, expected to provide incentives to businesses for creating a globally competitive Indian AI industry.

Narratives on the emerging digital economy often suffer from technological determinism — assuming that the march of technological transformation has an inner logic, independent of social choice and capable of automatically delivering positive social change. However, technological trajectories can and must be steered by social choice and aligned with societal objectives. Modi’s address hit all the right notes, as he argued that the ‘road ahead for AI depends on and will be driven by human intentions’. Emphasising the need to direct AI technologies towards solutions for the poor, he called upon students and teachers to identify ‘the grand challenges facing India’ – to ‘Make AI in India and for India’.

To do so, will undoubtedly require substantial investments in R&D, digital infrastructure and education and re-skilling. But, two other critical issues must be simultaneously addressed: data bias and access to technology gains.

While computers have been mimicking human intelligence for some decades now, a massive increase in computational power and the quantity of available data are enabling a process of ‘machine learning.’ Instead of coding software with specific instructions to accomplish a set task, machine learning involves training an algorithm on large quantities of data to enable it to self-learn; refining and improving its results through multiple iterations of the same task. The quality of data sets used to train machines is thus a critical concern in building AI applications.

Much recent research shows that applications based on machine learning reflect existing social biases and prejudice. Such bias can occur if the data set the algorithm is trained on is unrepresentative of the reality it seeks to represent. If for example, a system is trained on photos of people that are predominantly white, it will have a harder time recognizing non-white people. This is what led a recent Google application to tag black people as gorillas.

Alternatively, bias can also occur if the data set itself reflects existing discriminatory or exclusionary practices. A recent study by ProPublica found for example that software that was being used to assess the risk of recidivism in criminals in the United States was twice as likely to mistakenly flag black defendants as being at higher risk of committing future crimes.

The impact of such data bias can be seriously damaging in India, particularly at a time of growing social fragmentation. It can contribute to the entrenchment of social bias and discriminatory practices, while rendering both invisible and pervasive the processes through which discrimination occurs. Women are 34 per cent less likely to own a mobile phone than men – manifested in only 14 per cent of women in rural India owning a mobile phone, while only 30 per cent of India’s internet users are women.

Women’s participation in the labour force, currently at around 27 per cent, is also declining, and is one of the lowest in South Asia. Data sets used for machine learning are thus likely to have a marked gender bias. The same observations are likely to hold true for other marginalized groups as well.

Accorded to a 2014 report, Muslims, Dalits and tribals make up 53 per cent of all prisoners in India; National Crime Records Bureau data from 2016 shows in some states, the percentage of Muslims in the incarcerated population was almost three times the percentage of Muslims in the overall population. If AI applications for law and order are built on this data, it is not unlikely that it will be prejudiced against these groups.

(It is worth pointing out that the recently set-up national AI task force is comprised of mostly Hindu men – only two women are on the task force, and no Muslims or Christians. A recent article in the New York Times talked about AI’s ‘white guy problem’; will India suffer from a ‘Hindu male bias’?)

Yet, improving the quality, or diversity, of data sets may not be able to solve the problem. The processes of machine learning and reasoning involve a quagmire of mathematical functions, variables and permutations, the logic of which are not readily traceable or predictable. The dazzle of AI-enabled efficiency gains must not blind us to the fact that while AI systems are being integrated into key socio-economic systems, their accuracy and logic of reasoning have not been fully understood or studied.

The other big challenge stems from the distribution of AI-led technology gains. Even if estimates of AI contribution to GDP are correct, the adoption of these technologies is likely to be in niches within the organized sector. These industries are likely to be capital- rather than labour-intensive, and thus unlikely to contribute to large-scale job creation.

At the same time, AI applications can most readily replace low- to medium-skilled jobs within the organized sector. This is already being witnessed in the outsourcing sector – where basic call and chat tasks are now automated. Re-skilling will be important, but it is unlikely that those who lose their jobs will also be those who are being re-skilled – the long arch of technological change and societal adaptation is longer than that of people’s lives. The contractualization of work, already on the rise, is likely to further increase as large industries prefer to have a flexible workforce to adapt to technological change. A shift from formal employment to contractual work can imply a loss of access to formal social protection mechanisms, increasing the precariousness of work for workers.

The adoption of AI technologies is also unlikely in the short- to medium-term in the unorganized sector, which engages more than 80 per cent of India’s labor force. The cost of developing and deploying AI applications, particularly in relation to the cost of labour, will inhibit adoption. Moreover, most enterprises within the unorganized sector still have limited access to basic, older technologies – two-thirds of the workforce are employed in enterprises without electricity. Eco-system upgrades will be important but incremental. Given the high costs of developing AI-based applications, most start-ups are unlikely to be working towards creating bottom-of-the-pyramid solutions.

Access to AI-led technology gains is thus likely to be heavily differentiated – a few high-growth industries can be expected, but these will not necessarily result in the welfare of labour. Studies show that labour share of national income, especially routine labour, has been declining steadily across developing countries.

We should be clear that new technological applications themselves are not going to transform or disrupt this trend – rather, without adequate policy steering, these trends will be exacerbated.

Policy debates about AI applications in India need to take these two issues seriously. AI applications will not be a panacea for addressing ‘India’s grand challenges’. Data bias and unequal access to technology gains will entrench existing socio-economic fissures, even making them technologically binding.

In addition to developing AI applications and creating a skilled workforce, the government needs to prioritize research that examines the complex social, ethical and governance challenges associated with the spread of AI-driven technologies. Blind technological optimism might entrench rather than alleviate the grand Indian challenge of inequity and growth.

This article was originally published in the Indian Express.




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Putting the Hong Kong Crisis into Historical and Comparative Perspective

Putting the Hong Kong Crisis into Historical and Comparative Perspective 14 November 2019 — 8:30AM TO 9:30AM Anonymous (not verified) 17 October 2019 Chatham House | 10 St James's Square | London | SW1Y 4LE

This roundtable will focus on current events unfolding in Hong Kong, where the territory has been convulsed with protests for several months.

The speakers will examine how class, race and poverty play into the conflict. Taking a comparative approach, they will examine the generational divide, looking at the ideological gulf between the older, more conservative and pro-Beijing population versus the younger, more pro-democracy protesters. The discussion will also draw upon the erosion of trust between police and the wider public.

While acknowledging the unique features of this wave of unrest, the speakers will draw parallels, placing the current crisis in Hong Kong beside events that have occurred in other periods and other places.

Parallels to be explored include those with Shanghai struggles of the 1910s through 1980s and upheavals and crackdowns in the former Soviet bloc during the Cold War.




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Is Myanmar Running Out of Time?

Is Myanmar Running Out of Time? 17 February 2020 — 1:00PM TO 2:00PM Anonymous (not verified) 10 January 2020 Chatham House | 10 St James's Square | London | SW1Y 4LE

Just a few years ago the West was celebrating what appeared to be the conclusion of a quarter-century long contest between Myanmar’s democrats and a military dictatorship. Today, the country stands charged with genocide at the International Court of Justice, with Aung San Suu Kyi leading the defence. Is Myanmar a democratic transition gone awry? Or something else entirely?

The speaker will argue that Myanmar is not the simple morality tale often portrayed. It has instead become the stage for some of the world’s most pressing challenges such as climate change, explosive inequality and rising populism, the impact of social media; and the rise of China as the next global superpower.

In this context, are 20th century democratic institutions and free-market reforms the correct remedy for a country plagued by the legacies of colonialism, decades of civil war, tyranny and a predatory economic system? The speaker will offer a prognosis for Myanmar’s future, assessing the question of whether it will become Asia’s next failed state.

This event will be held off the record.




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Webinar: Hong Kong: Dissent in the Age of Coronavirus

Webinar: Hong Kong: Dissent in the Age of Coronavirus 17 April 2020 — 12:00PM TO 1:00PM Anonymous (not verified) 8 April 2020

Street protests demanding greater autonomy and democratization in Hong Kong upended the city for seven months last year. However, with the outbreak of the coronavirus in China in late January, the protests quickly died out. What does this mean for the city’s protest movement?

The speaker will argue that, despite the lack of high-profile street rallies, protest in the city is continuing. It is building on and evolving from last year’s protest movement albeit in different forms. At the same time, the Hong Kong authorities, emboldened by a hard line from Beijing, have begun cracking down on activists and protesters in the city as they seek to put a lid on dissent ahead of important Legislative Council elections scheduled for this September.

In this webinar, the speaker will look at the current state of dissent in Hong Kong and prospects for Hong Kong’s future.

This event will be held on the record.




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Webinar: Gandhi's Vision for India

Webinar: Gandhi's Vision for India 15 June 2020 — 12:00PM TO 12:45PM Anonymous (not verified) 9 June 2020

In 1931, Mahatma Gandhi visited Chatham House as part of his campaign for Indian independence. Addressing an overflowing hall, he described the poverty and the religious conflict that plagued India at the time.

Today, India is the world’s fifth largest economy and more than 270 million people have been lifted out of poverty in just a decade. But poverty in India remains widespread and the outbreak of the COVID-19 pandemic is only expected to exacerbate the situation. Meanwhile, the communal violence that erupted in Delhi earlier this year reflects intensifying religious tensions under Prime Minister Narendra Modi.

In this webinar, the speakers discuss Gandhi’s global legacy and to what extent we are seeing a re-awakening of his principles across modern India.

This event is part of a series, held in the context of the Chatham House Centenary in 2020, bringing together historians, practitioners and current policymakers to discuss contemporary problems of international relations.




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The Rohingya Crisis: Three Years On

The Rohingya Crisis: Three Years On 17 September 2020 — 1:30PM TO 2:15PM Anonymous (not verified) 9 September 2020 Online

Speakers examine the current situation of the Rohingya people and assess the threat that COVID-19 poses to the health and human rights of refugees and displaced people.

It has been three years since a military-led crackdown forced more than 740,000 Rohingya to flee across the border into Bangladesh to escape collective punishment and violence in Myanmar.

Most refugees have sought shelter in Bangladesh’s Cox’s Bazar district, where access to clean water is limited, sanitation facilities are lacking, and due to overcrowding, social distancing is impossible.

While the number of reported COVID-19 cases has so far been relatively low, testing capacity remains limited and anecdotal reports from humanitarians suggest that COVID-19 has spread extensively through the refugee camps and the Bangladeshi host community.

The speakers also consider the different approaches taken by neighbouring states, regional and international organizations in responding to the crisis.

What can be done to address the needs of refugees in the short term and how can fundamental human rights be restored and protected during the time of COVID-19? What aid provision has been successfully delivered within Rakhine State and in what ways?

Ahead of elections in Myanmar in November, how can the international community persuade the Myanmarese government into positive action? And what would a sustainable solution to the Rohingya crisis look like and what are the competing views over how such a solution should be delivered?

This event is held in partnership with The Atlantic Council.







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Numerical analysis of a time-stepping method for the Westervelt equation with time-fractional damping

Katherine Baker, Lehel Banjai and Mariya Ptashnyk
Math. Comp. 93 (), 2711-2743.
Abstract, references and article information





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Error analysis of second-order local time integration methods for discontinuous Galerkin discretizations of linear wave equations

Constantin Carle and Marlis Hochbruck
Math. Comp. 93 (), 2611-2641.
Abstract, references and article information





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Supporting Wildlife with Statistics

Dr. Outi Tervo of Greenland Institute for Natural Resources, shares how mathematics helps recommend speed limits for marine vessels, which benefits narwhals and Inuit culture. Narwhals "can only be found in the Arctic," said Outi Tervo, a senior scientist at GINR. "These species are going to be threatened by climate change more than other species that can live in a bigger geographical area." The collaboration has already lobbied on behalf of the narwhals to reduce the level of sea traffic in their habitat, after using mathematical analysis to identify how noise from passing boats changes the narwhals' foraging behavior.





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Mathematical Analyses of Decisions, Voting and Games

Michael A. Jones, David McCune and Jennifer M. Wilson, editors. American Mathematical Society, 2024, CONM, volume 795, approx. 208 pp. ISBN: 978-1-4704-6978-8 (print), 978-1-4704-7608-3 (online).

This volume contains the proceedings of the virtual AMS Special Session on Mathematics of Decisions, Elections and Games, held on April 8,...




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Advances in Functional Analysis and Operator Theory

Marat V. Markin, Igor V. Nikolaev and Carsten Trunk, editors. American Mathematical Society, 2024, CONM, volume 798, approx. 248 pp. ISBN: 978-1-4704-7305-1 (print), 978-1-4704-7611-3 (online).

This volume contains the proceedings of the AMS-EMS-SMF Special Session on Advances in Functional Analysis and Operator Theory, held July 18–22,...





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On a Torelli Principle for automorphisms of Klein hypersurfaces

Víctor González-Aguilera, Alvaro Liendo, Pedro Montero and Roberto Villaflor Loyola
Trans. Amer. Math. Soc. 377 (), 5483-5511.
Abstract, references and article information









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House Administration - 12/9/2024

Time: 9:00 AM, Location: E2.010




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LEGO Classic Space: the robot final rebellion on the capital planet ousts the federation rule and replace with a techno republic and dictatorship (the final episode (for a while)) (AFOL toy hobby photography with droids, police and minifigures city MOC

dannyhennesy posted a photo:

On the Capital planet the rebellious droids had followed maily the Bat-Bot, but as time progressed his circuits had gone all mushy at 780 years or so without maintenance…

Several splinter groups all with their local bot leaders emerged such as the Che-bot, the traffic-light-robot and the Butt-bot, but none of these collected enough sentient circuits to call themselves a popular (or Animata) mass movement!

That was until a cyborg came along, one known as Jones, a long time prisoner and terrorist, his easy solutions to every problem rang well in the masses' auditory circuits!!!

His slogans and simple rhetoric were simple enough for the simple traffic-light to comprehend and cheer!

His language was full of hate towards the organics and especially the humans who were the most common races among the ruling class of the federation!!!

Despite being a “Fleshie” himself his message collected the angry enslaved
bot community by only weeks all rebellious robots except for a few fringe loonies had forgotten the old leaders…

One morning at Jones gave the signal…

All over the capital planet hordes and swarms of any form of mechanical sentient beings attacked first the police stations, then the Company boards running the planet and the federation as well as their starfleet…

Many died, especially the low level police and army! Many mechanicals died too, but their ranks were soon filled by Mutant fleshie allies of the lower levels who hated the Federation feudal society and upper classes as much as their technological allies…

The Federation state apparatus and ruling class, most of their fleet army fled when they knew the game was up, they activated the emergency escape plan and whole city blocks with important factories, administrational units, valuable assets and so on separated from the capital by hidden rocket engines and homed in their course to Mars…

On Mars the federation regrouped and formed their new society…

On the Capital planet, the robots proclaimed the first Techno-republic of the advanced inorganic civilization, the low level fleshies left behind, became slaves and their mutant allies got to rule their own minute chiefdoms as protectorates under the Techno-republic…

Jones was now the undisputed ruler of the capital planet, but the victory was a pyrros one since, all important buildings, all of value was now one Mars!

But as Jones put it:

Our proud race the Techno-species didn’t need the Fleshies administration, their infrastructure, their spaceships…

We shall start from scratch, with a new administration, a new order, every droid shall work at 4x speed than they did during human oppression since now we are free and the fleshies shall work twice as hard than the Techno-Race, until we have breed enough new fleshies so they can do all work!

Our future is bright and shiny like glistering shiny metal!

The snapshot seen here is from the first police station attacked in sector 45-34v-ss-g the first one to fall according to official techno-history!

———————————————/
Designers note:

I am sad to say that this is the last episode in this years-spanning space series… At least for a while, I will still post LEGO hobby stuff here but without a storyline, perhaps small designs and builds… and occasionally a story when I feel like it!!!

I would like to thank all who had been in this journey of our heros, but it has taken far to much time and effort and since the state of the world is as it is, I am spiraling down in another depression, I must stop it before I reach the abyss, so I have remove some stress out of my equation… I ended it in a cliffhanger so I can easily restart it when my mental health improves… I hope that won’t be forever???

I would love if someone used my characters or ideas, please send me a link if you do, I would love to read it or look at it!!!

But there will be more Lego, just in different format without long stories, I need to focus more on my art and to be honest that is the only time the mental pain eases, when I create!!!


Peace and Noise!

MushroomBrain a FOL




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Tekno - The Irish Collection - Ref. 258 - Scania Articulated Truck - Glynns, Galway - Miniature Diecast Metal Scale Model Heavy Goods Vehicle

firehouse.ie posted a photo:




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Tekno - The Irish Collection - Ref. 258 - Scania Articulated Truck - Glynns, Galway - Miniature Diecast Metal Scale Model Heavy Goods Vehicle

firehouse.ie posted a photo:




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The history of model railroading the the Walthers 1970 O Scale Catalog

Tangled Bank posted a photo:




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The history of model railroading the the Walthers 1970 O Scale Catalog

Tangled Bank posted a photo:




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The history of model railroading the the Walthers 1970 O Scale Catalog

Tangled Bank posted a photo:




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Kennedy (My Scene, Let's Go Disco!)

AO-Koun posted a photo: