This marks the launch of various ventures, including a festival project, a therapeutic space with therapy animals, and a holistic health program for women. 

“A huge fish in the Mekong River thought to be extinct has been spotted three times in recent years,” reports the Associated Press: “The giant salmon carp is like a symbol of the Mekong region,” said Chheana Chhut, a researcher at the Inland Fisheries Research Institute in Cambodia. The predatory fish can grow up to […]

The post Giant fish believed to be extinct is spotted in the Mekong River appeared first on Liberty Unyielding.

Blind comedian Chris McCausland and his dance partner performed part of the routine with the lights off.

North Korea lags behind most of the rest of the world in several areas. But the hermit state has had an outsized impact on international women's football.

1. Song Jae Rim Passes Away: South Korean Star's Last Post Goes Viral, His Cryptic Insta Bio Grabs Eyeballs  News18
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5. 'My Military Valentine' fame South Korean actor Song Jae-rim dies 39  India TV News

Botswana's new president Duma Boko used his inauguration on Friday to tell the world that he and his government were ushering in a "new political dawn".

Dogecoin has experienced a significant surge in value since last month, with impressive price gains continuing today as it trades… Continue reading Dogecoin at the Edge of a Major Breakout – Could $2 Be Possible with Bitcoin Dominance Holding Strong?

The post Dogecoin at the Edge of a Major Breakout – Could $2 Be Possible with Bitcoin Dominance Holding Strong? appeared first on ReadWrite.

Cape Town police have arrested two suspects in connection with the murder of Noem My Skollie actor David Manuel and his friend, Alfonso Fisher, in Gugulethu last month.

Chairman Klein and members of the Senate Industry, Business and Labor Committee- My name is David Heinemeier Hansson, and I’m the CTO and co-founder of Basecamp, a small internet company from Chicago that sells project-management software and email services. I first testified on the topic of big tech monopolies at the House Antitrust Subcommittee’s field… keep reading

Offsetting the North Korean strategic challenge 16 March 2023 — 9:30AM TO 10:30AM Anonymous (not verified) 8 March 2023 Online

This event explores what balance between pressure and dialogue is most likely to incentivise North Korea to limit its provocations.

With North Korea having steadily increased its nuclear and conventional security capabilities over the course of recent months, the speakers explore practical options for lowering tensions on the Korean peninsula.

They consider how best to re-engage diplomatically with North Korea, including the role of key actors such as the US, South Korea, Japan, and European states, in advancing a constructive resolution of current tensions.

The discussion explores finding a balance between pressure and dialogue which is most likely to incentivise North Korea to limit its provocations, assess the risks of a possible seventh nuclear test, and consider the viability of multilateral cooperation in enhancing regional security in north-east Asia.

This event forms part of the Korea Foundation Korea Fellowship, funded by the Korea Foundation and Taejae Academy.

Michal Bassani-Sternberg
Mar 1, 2015; 14:658-673
Research

Independent Thinking: China protests, North Korea missile tests Audio NCapeling 1 December 2022

Episode seven of our new weekly podcast examines the civil unrest in China and the ongoing development of North Korea’s nuclear weapons programme.

Anti-lockdown protests are sweeping the cities of Beijing, Shanghai, and Guangzhou. What does the unrest say about China’s response to COVID-19? How serious a challenge is it to Xi Jinping’s legitimacy so soon after the Party Congress?

Meanwhile, 2022 has been a record year for Pyongyang’s ballistic missile launches. How far has North Korea’s nuclear programme and its missile systems developed, and what does it mean for the country’s neighbours?

Joining Bronwen Maddox in the studio this week from the Chatham House Asia-Pacific programme are its director Ben Bland and senior research fellow Dr Yu Jie. Joining the panel is special guest Ankit Panda, the Stanton senior fellow at the Carnegie Endowment for International Peace, and editor-at-large for The Diplomat magazine.

About Independent Thinking

A weekly podcast hosted by Chatham House director Bronwen Maddox, in conversation with leading policymakers, journalists, and Chatham House experts providing insight on the latest international issues.

Independent Thinking: Why is North Korea sending troops to Russia? Audio john.pollock 31 October 2024

Orysia Lutsevych, Edward Howell and Yossi Mekelberg discuss North Korean troops fighting with Russian forces against Ukraine, as well as the issue of military conscription.

On this episode

North Korea is sending troops to Russia, but what is Kim Jong-Un hoping to get from Vladmir Putin for this military assistance against Ukraine? The panel also discuss the role military conscription plays in Israel, South Korea and Ukraine’s defence.

Bronwen Maddox is joined by Edward Howell, the Korea Foundation fellow at Chatham House, Orysia Lutsevych, the head of our Ukraine Forum and Yossi Mekelberg, a senior consulting fellow with our Middle East and North Africa Programme.

About Independent Thinking

Independent Thinking is a weekly international affairs podcast hosted by our director Bronwen Maddox, in conversation with leading policymakers, journalists, and Chatham House experts providing insight on the latest international issues.

More ways to listen: Apple Podcasts, Spotify.

Expert

Korea's New Energy Policy and Implications for LNG Imports 3 October 2018 — 9:00AM TO 10:30AM Anonymous (not verified) 17 September 2018 Chatham House | 10 St James's Square | London | SW1Y 4LE

The new energy policy of Moon Jae-In’s administration aims to swing radically from coal and nuclear towards renewables and LNG for power generation. During the last 12 months the priority given to the expansion of renewable energy has been overwhelming and the support for the expansion of gas not as strong as many observers had expected. The 13th gas supply and demand plan announced in Spring 2018 confirmed the trend. Based on this projection, Professor K. Paik will discuss how this new energy policy will affect Korea’s LNG imports strategy and what are the implications of Korea’s northern policy towards this LNG supply strategy and pipeline gas imports to the Korean Peninsula.

Attendance at this event is by invitation only.

An Attack on the ‘One Country, Two Systems’ Principle in Hong Kong Expert comment sysadmin 11 January 2016

The disappearance of publisher Lee Bo may mark the beginning of the end of Beijing’s commitment to uphold the framework that provides the territory with a high degree of autonomy.

The disappearance of a publisher in Hong Kong, Lee Bo, who owns a well-known bookshop that sells books critical of Chinese leaders, is a landmark event and potentially a historical turning point for Hong Kong. It is not clear if this happened at the behest of the senior Chinese leadership. But if those responsible for the disappearing of Lee are not punished, it will be clear that their acts are condoned by the authorities.

This is deeply worrying as it gravely undermines the ‘one country, two systems’ framework, which provides Hong Kong with high degree of autonomy from Beijing. Under the Sino-British Agreement of 1984 and Hong Kong’s Basic Law, which govern relations between Hong Kong and China, the rights of Hong Kong citizens are meant to be protected within the territory. Mainland Chinese authorities do not have the legal power to arrest or detain an individual in, or remove anyone from, Hong Kong.

The Chinese know the limit of their legal authority in Hong Kong. Hence, Lee was quietly disappeared, rather than openly arrested. But that it happened at all may mark the beginning of the end of Beijing’s commitment to uphold the ‘one country, two systems’ framework – a relationship that requires Beijing to tolerate, if not respect, the judicial integrity and the way of life in Hong Kong.

Do we know for sure that Lee was ‘disappeared’ by China’s security apparatus? Before he disappeared, Lee said in an interview that he knew he had been watched and that his emails were accessed by Chinese agents, and that he would not travel to the mainland as a result. And we know that Lee’s travel documents are all in his home; yet he is now supposedly in China ‘assisting the authorities in an investigation’ into something unspecified. This explanation comes from a fax sent to Lee’s wife, probably intended by the Chinese authorities to put an end to speculation. But why would Chinese authorities work with Lee, a British citizen who carries no travel documents and would thus have broken the law by entering China? The circumstantial evidence is strong enough to show that whether he was taken by Chinese officers or someone else, his removal from Hong Kong to China must have received official endorsement.

Should the rest of the world be concerned about this? Hong Kong is a major financial center that services the world economy, and it can do so largely because it enjoys judicial independence and the high degree of autonomy under the ‘one country, two systems’ framework. It is also a shining example of how the rights and scope of development for individuals can be respected in a Chinese community. Should the ‘one country, two systems’ framework be undermined, Hong Kong as we know it will be no more.

Beijing’s quick response in requiring Lee to fax his family may come across as ham-fisted and callous, but it also demonstrates that it had not expected the strong backlash to Lee’s disappearance. A strong and well-articulated international response that brings the matter to Xi’s attention may persuade him that it is in China’s best interest to put a stop to this process of undermining the ‘one country, two systems’ framework. Given Hong Kong’s importance to the global economy, this should be a priority for the international community.

This article was originally published in the Diplomat.

To comment on this article, please contact Chatham House Feedback

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.

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

What to Know About Hong Kong’s Chief Executive Election Expert comment sysadmin 27 March 2017

Tim Summers looks at what we know about Carrie Lam, the territory’s new leader, and where Hong Kong politics goes from here.

Carrie Lam, formerly number two in the Hong Kong government, was selected as the Special Administrative Region’s new chief executive on 26 March. What does the process and her selection say about Hong Kong’s political future?

1. Elections for Hong Kong’s top job are still within Beijing’s control. Due to the failure of political reform proposals in 2015, Lam was elected on the basis of 777 votes from the 1,194 members of the Chief Executive Election Committee. This ‘small-circle’ process was essentially the same as that used since 1997 (the only change being the expansion of the committee from its initial size of 800). The design of the process favours Beijing, and indeed Lam was the favoured candidate of the central government and many of its supporters in Hong Kong.
2. But the influence of the central government has limits. The second-ranked candidate, former finance minister John Tsang (365 votes), had not been encouraged to stand by Beijing, and a fourth candidate, Regina Ip (who did not obtain enough nominations to join the vote), reportedly also rejected suggestions from Beijing that she should not put herself forward. The Committee itself contained 325 individuals affiliated to or sympathetic to opposition parties and around 100 establishment figures who did not support Lam – most of whom voted for Tsang. Although Lam gained more votes than her predecessor, CY Leung, in 2012 (he obtained 689 votes after a controversial campaign when scandals undermined his main opponent), Beijing appears to have expended substantial political capital in securing her victory.
3. Despite the closed process, public opinion matters. The campaign saw all the candidates actively seek not only the votes of committee members, but also wider popular support. This highlights the need for broader legitimacy, and the fact that public participation and media debate are central factors in Hong Kong’s open political culture. A number of opinion polls showed Lam to have notably lower levels of popular support than Tsang. This will constrain her ability to govern effectively and she will not be cut much slack by the Hong Kong population. There were protests at the election venue calling for ‘genuine universal suffrage’.
4. The new chief executive is an economic interventionist. The two main candidates – Lam and Tsang – have different policy approaches. Tsang’s was a more liberal ‘laissez faire’ one. Lam is likely to continue the somewhat more interventionist approach of CY Leung, who intervened more than previous governments to try to stabilize property prices and make more land available for housing, as well as reinstating policies targeting poverty and agreeing measures to limit the social impact of rising numbers of visitors and money from mainland China.
5. Political reform seems very far off. The third candidate, former judge Woo Kwok-hing, had the clearest position on the thorny issue of political reform. Many of the government’s critics see less prospect for progress here under Lam, who fronted the government’s consultation processes during the 2013–15 debates over political reform. Lam gave some conflicting signals during the campaign, and it remains to be seen whether she tries to restart the process. But given rising populism, the growing fragmentation and polarization of Hong Kong politics, and entrenched positions from both Beijing and the opposition, it will be even more difficult to obtain consensus on a way forward than when the last failed attempt at reform took place – a key indicator will be whether all political parties are willing to discuss compromises.
6. July’s anniversary will be contentious. Following formal appointment by the central government, Lam’s term will begin on 1 July. This will also mark the 20th anniversary of the handover of Hong Kong to Chinese sovereignty in 1997, which will coincide with a planned visit by President Xi Jinping. This will no doubt spark protests; for many, the 20th anniversary of the handover will therefore be less a time for celebration than an opportunity for many to highlight concerns about the future of the former British colony.

Twenty Years After Hong Kong Handover, Does ‘One Country, Two Systems’ Still Work? Expert comment sysadmin 28 June 2017

This unique constitutional framework can endure – if Hong Kong society can reconcile its different visions of the future.

Twenty years after the handover of Hong Kong from British to Chinese sovereignty, the ‘one country, two systems’ arrangement – the main aim of which was to guarantee the continuity of Hong Kong’s open society and way of life – can be said to have worked well. Street protests remain a regular feature of Hong Kong’s political culture. Freedom of information and expression are alive and well. Hong Kong retains its ‘capitalist way of life’, its legal system based on common law and independent judiciary, and its status as an international financial centre. As a result the city remains one of the most open economies across Asia, with robust institutions and transparency which are hard to find anywhere else in the region.

Yet the 79-day ‘occupy’ protests of autumn 2014 showed that something is not quite right in the city of Hong Kong.

The protests themselves had a number of causes. Partly they reflected socioeconomic concerns, especially the rise in income inequality and lack of affordable housing. These might have been dealt with to some extent by better governance over the years, but they are also a feature of many societies in the current phase of globalization – a case, perhaps, of too much ‘capitalist way of life’.

Politically, the desire expressed by many in 2014 was for a form of ‘genuine universal suffrage’ for the selection of Hong Kong’s chief executive which went beyond a provision of Hong Kong’s mini constitution, the Basic Law, that candidates should be put forward by a ‘nominating committee’. It was on this point that the possibility of constitutional reform foundered in 2015, leaving Hong Kong no further ahead in its ‘gradual progress’ towards democracy.

But this episode also brought to the surface the tension between different visions for Hong Kong’s future. In particular, many in Hong Kong are still uncomfortable with the ‘one country’ part of the deal, rejected by some (especially young people) in the ways that they conceptualize Hong Kong identity – according to one recent survey, as little as 3.1% of Hong Kong youths identify themselves as ‘Chinese’. These issues are likely to constrain political development for some time to come.

At their sharpest, some of these visions are for some form of self-determination, or even independence, for Hong Kong. This is not just anathema to the national authorities in Beijing, but contradicts a basic tenet of Hong Kong’s handover in 1997, the return to Chinese sovereignty. This is not just something on which Beijing will never compromise, but will seek to challenge.

It is this which explains the sense in Hong Kong that the central government has been looking to become politically more involved since 2014. But the challenge of influencing Hong Kong society is great, and other than strengthening relations with the establishment camp, Beijing has not been able to tighten its grip. If anything, the centre of gravity of Hong Kong politics has continued to drift away from Beijing, not towards it.

How this will play out remains to be seen. Some amelioration of social tensions could help. But the fundamental divergence in visions of Hong Kong’s future will not be resolved so easily.

Looking forward therefore, the key to the continued success of ‘one country, two systems’ lies in Hong Kong society. If mainstream acceptance of the compromises involved can return, then this unique constitutional framework can still work for years to come.

‘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.

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.

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.

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.

David M. Williams and Qingguo Hong
Math. Comp. 93 (), 2587-2609.
Abstract, references and article information

Chris A.J. Klaassen
Theor. Probability and Math. Statist. 111 (), 9-19.
Abstract, references and article information

Shengyu Tang
Proc. Amer. Math. Soc. 152 (), 5381-5394.
Abstract, references and article information

András Kroó
Proc. Amer. Math. Soc. 152 (), 5149-5162.
Abstract, references and article information

Simão Correia
Proc. Amer. Math. Soc. 152 (), 5117-5136.
Abstract, references and article information

Sophie Morier-Genoud of the University of Reims Champagne-Ardenne and Valentin Ovsienko of the Centre National de la Recherche Scientifique, Reims, are awarded the 2025 AMS David P. Robbins Prize for their paper “$q$-deformed rationals and $q$-continued fractions,” published in Forum of Mathematics, Sigma.

“In this groundbreaking work .. it is shown that the new concept has striking connections and applications to a wide range of mathematical areas,” according to the prize citation. “The paper has subsequently inspired a profusion of significant further research developments.”

From the citation

The David P. Robbins Prize is awarded to Sophie Morier-Genoud and Valentin Ovsienko for their paper “$q$-deformed rationals and $q$-continued fractions,” published in Forum of Mathematics, Sigma, in 2020.

The authors provide an entirely novel and natural definition of a $q$-analog of the rational numbers. Although a $q$-analog of the integers has been used extensively since the work of Euler, a satisfactory and meaningful $q$-analog of the rationals had remained elusive until this paper. The definition also leads to a natural $q$-analog of the real numbers and has a wide range of fascinating and far-reaching applications.

A $q$-analog of a mathematical concept is a generalization of the concept which depends on a new parameter $q$ in such a way that the original concept is recovered when $q$ is set to 1, and various interesting or useful properties also arise.

Response of Sophie Morier-Genoud

I am thrilled and honored to receive the 2025 David P. Robbins Prize. This is a fantastic recognition and a great encouragement to keep doing what I like to do. I always had a lot of fun doing mathematics and I feel privileged to do it as a profession. 

I am grateful to everyone who helped me in making this path possible. 

I would like to thank all my collaborators and colleagues in the Math Department at the University of Reims and also everywhere in the world who show interest in the math we are doing and contribute to enrich the theory of $q$-numbers.

Response of Valentin Ovsienko

I am deeply moved to receive this prize, named in honor of David P. Robbins, the creator of mathematical concepts that will forever remain among the most beautiful.

My scientific life has been spent trying to connect different topics in algebra, geometry, and mathematical physics. The $q$-numbers, which is a combinatorial notion, are the result of my journey with my younger and much smarter collaborator Sophie Morier-Genoud, following this route. We tried to better understand connections between cluster algebra, Coxeter friezes, Conway’s ideas, the Jones polynomial... We realized that it is impossible to $q$-deform a singular object, but only an infinite sequence of them! In order to $q$-deform rationals, one needs to count them all. We chose the way of counting determined by continued fractions and the action of the modular group.

Working on this subject has been and remains the happiest part of my scientific life. I was captivated by $q$-rationals and I was completely haunted by $q$-irrationals. This happiness, enhanced by interest of other researchers, in itself is reward enough. 

My collaboration with Sophie produced a variety of results, including two energetic children, Lisa and Anatole; the $q$-numbers are also little kids who need to grow up!

Biographical sketch of Sophie Morier-Genoud

Sophie Morier-Genoud is currently full professor at the University of Reims Champagne-Ardenne in France. She completed her PhD at the University of Lyon (2006) under the supervision of Philippe Caldero. She was T.H. Hildebrandt Assistant Professor at the University of Michigan (2006-2008), postdoctoral fellow of the Fondation Sciences Mathématiques de Paris (2008-2009) and associate professor at Sorbonne Université (2009-2021). Her research work is mainly related to algebraic combinatorics and representation theory. She currently serves as an editor for the column “Gems and Curiosities” of the Mathematical Intelligencer.

Biographical sketch of Valentin Ovsienko

Valentin Ovsienko was born in 1964 in the Soviet Union. He received his PhD in 1989 from Moscow State University under the supervision of Alexandre Kirillov. Ovsienko is currently in Reims, Champagne, as a senior researcher at the French Centre National de la Recherche Scientifique. He worked in projective differential geometry, infinite-dimensional Lie algebras, integrable systems, octonions, and, more recently, in combinatorics. Together with Sophie Morier-Genoud, he is the editor of the column “Gems and Curiosities” of the Mathematical Intelligencer, and he invites everyone to write beautiful articles for it.

About the prize

The David P. Robbins Prize is awarded every three years for a paper with the following characteristics: It reports on novel research in algebra, combinatorics, or discrete mathematics and has a significant experimental component; and it is on a topic which is broadly accessible and provides a simple statement of the problem and clear exposition of the work. Papers published within the six calendar years preceding the year in which the prize is awarded are eligible for consideration.

The 2025 prize will be presented at the 2025 Joint Mathematics Meetings in Seattle.

Learn more about the prize and previous recipients.

Contact: AMS Communications.

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The American Mathematical Society is dedicated to advancing research and connecting the diverse global mathematical community through our publications, meetings and conferences, MathSciNet, professional services, advocacy, and awareness programs.

16 September 2020

Abudukadier Abulizi
Dec 1, 2020; 61:1565-1576
Research Articles

Babunageswararao Kanuri
Nov 17, 2020; 0:jlr.RA120001101v1-jlr.RA120001101
Research Articles

Smith-Lemli-Opitz Syndrome (SLOS) is a developmental disorder (OMIM #270400) caused by autosomal recessive mutations in the Dhcr7 gene, which encodes the enzyme 3β-hydroxysterol-7 reductase. SLOS patients present clinically with dysmorphology and neurological, behavioral and cognitive defects, with characteristically elevated levels of 7-dehydrocholesterol (7-DHC) in all bodily tissues and fluids. Previous mouse models of SLOS have been hampered by postnatal lethality when Dhcr7 is knocked out globally, while a hypomorphic mouse model showed improvement in the biochemical phenotype with ageing, and did not manifest most other characteristic features of SLOS. We report the generation of a conditional knockout of Dhcr7 (Dhcr7flx/flx), validated by generating a mouse with a liver-specific deletion (Dhcr7L-KO). Phenotypic characterization of liver-specific knockout mice revealed no significant changes in viability, fertility, growth curves, liver architecture, hepatic triglyceride secretion, or parameters of systemic glucose homeostasis. Furthermore, qPCR and RNA-Seq analyses of livers revealed no perturbations in pathways responsible for cholesterol synthesis, either in male or female Dhcr7L-KO mice, suggesting hepatic disruption of post-squalene cholesterol synthesis leads to minimal impact on sterol metabolism in the liver. This validated conditional Dhcr7 knockout model may now allow us to systematically explore the pathophysiology of SLOS, by allowing for temporal, cell and tissue-specific loss of DHCR7.

Microsomal triglyceride transfer protein (MTTP) deficiency results in a syndrome of hypolipidemia and accelerated NAFLD. Animal models of decreased hepatic MTTP activity have revealed an unexplained dissociation between hepatic steatosis and hepatic insulin resistance. Here, we performed comprehensive metabolic phenotyping of liver-specific MTTP knockout (L-Mttp^–/–) mice and age-weight matched wild-type control mice. Young (10–12-week-old) L-Mttp^–/– mice exhibited hepatic steatosis and increased DAG content; however, the increase in hepatic DAG content was partitioned to the lipid droplet and was not increased in the plasma membrane. Young L-Mttp^–/– mice also manifested normal hepatic insulin sensitivity, as assessed by hyperinsulinemic-euglycemic clamps, no PKC activation, and normal hepatic insulin signaling from the insulin receptor through AKT Ser/Thr kinase. In contrast, aged (10-month-old) L-Mttp^–/– mice exhibited glucose intolerance and hepatic insulin resistance along with an increase in hepatic plasma membrane sn-1,2-DAG content and PKC activation. Treatment with a functionally liver-targeted mitochondrial uncoupler protected the aged L-Mttp^–/– mice against the development of hepatic steatosis, increased plasma membrane sn-1,2-DAG content, PKC activation, and hepatic insulin resistance. Furthermore, increased hepatic insulin sensitivity in the aged controlled-release mitochondrial protonophore-treated L-Mttp^–/– mice was not associated with any reductions in hepatic ceramide content. Taken together, these data demonstrate that differences in the intracellular compartmentation of sn-1,2-DAGs in the lipid droplet versus plasma membrane explains the dissociation of NAFLD/lipid-induced hepatic insulin resistance in young L-Mttp^–/– mice as well as the development of lipid-induced hepatic insulin resistance in aged L-Mttp^–/– mice.

Q&A: Maria Kolesnikova The World Today rescobales.drupal 29 September 2021

The jailed Belarusian opposition activist says: ‘It’s worth it’

Earlier this month, the Belarusian opposition activists, Maria Kolesnikova and Maxim Znak, were sentenced to long prison terms on charges of conspiring to seize power and crimes against national security. Both Kolesnikova, a prominent musician, and Znak, a lawyer, are supporters of Sviatlana Tsikhanouskaya, who ran against President Alexander Lukashenka in last year’s election and is now in exile in Lithuania. European Union countries have called for all political detainees, including Kolesnikova, to be released, but so far these calls have fallen on deaf ears. Alistair Burnett interviewed Maria Kolesnikova.

What is your response to the verdict and the 11-year sentence handed down to you?

My conscience is clear. We didn’t break the law. We followed the law at all the stages of the electoral campaign.

After the verdict, we applauded when the judges left the courtroom. They fulfilled their despicable role in this historical process – now this decision is on their conscience.

It is impossible to take the court and the verdict in any way seriously. This is not a verdict on Maxim and me but on the authorities themselves, on the system itself.

It is evidence not only of a legal default, but of a system-wide default. I feel sorry for those who did not understand what happened and did not learn history’s lessons.

Your trial was held behind closed doors and you were charged with conspiring to seize power and crimes against national security. What can you tell us about the prosecution’s case against you?

If there had been any evidence against us, the trial would have been open.

The very existence of accusations like this denies people the potential to participate in election campaigning and in political activity generally. It also prohibits public criticism of the authorities.

Such a judgment and verdict is a Pandora’s box with far-reaching negative consequences.

After the crackdown over last year’s protests and now your sentencing, what is the state of the opposition within Belarus?

I am in prison, so it is hard for me to judge objectively people’s attempts to fight for their freedom and basic human rights. According to what I see on TV, as well as the mood of those few people I have had a chance to talk to, I can say that the authorities are scared by the people’s activism.

They understand that though they can put down protests, they can’t change people’s mindsets. I see the fear in their eyes. I also believe that even those outside of Belarus can do a lot, and it’s important to continue opposition activity both inside and outside the country.

Sviatlana Tsikhanouskaya has been visiting European countries and the United States to maintain their support. Has international pressure, including from human rights groups, had any effect on the Lukashenka government?

I will use this opportunity to say hi to Sviatlana: ‘You are amazing. Keep it up.’

I’m sure Lukashenka is scared. He turned from a person who meets presidents to talk about Ukraine into an outcast no one wants to shake hands with.

It is traumatic for him, but the fear will pass. He will get used to it.

That is why it’s important to think about the next step, to understand what American and European partners are ready to offer Lukashenka in return for him to change course. If they aren’t ready to offer him anything – it’s important to know how long they are ready to maintain the pressure.

It concerns Russia as well. Maybe they simply don’t understand that Lukashenka and his government are in a bad way.

To what extent do you believe the futures of the Lukashenka and Russian President Vladimir Putin are now intertwined?

Lukashenka is a famous manipulator. Almost 30 years in power has made his self-preservation instincts automatic. It’s a tactical choice. There’s nothing behind it besides the willingness to stay in power till he dies.

But a trapped person is a dangerous and unreliable partner. It won’t remain like this for a long time. His partners will sooner or later face unpleasant surprises.

What can the international community do?

Hundreds of political prisoners, thousands in exile, tens of thousands arrested, fined, subjected to violence, and the media and businesses are being destroyed. The authorities are at war with their own people and leading the country into an abyss.

The support of the international community is very important for Belarusians. We need to look for an opportunity to start a dialogue, both within the country and with international partners.

Why did last year’s protests last as long as they did? Was it the relative youth of the protesters; the use of social media; the prominence of women; and did COVID restrictions play any part?

For me, the protests aren’t the main thing. The transformation of Belarusian society is the most important thing.

Most Belarusians decided what they want to see in their county: Belarus as a free, democratic, sovereign country. And the current authorities aren’t able to provide that.

Regarding new technology, of course, it gives more opportunities for people to organize, however, social media users are still the minority in Belarus. Everything happened on a deeper level after being built up over time through people’s real-life experience.

Throughout the campaign, I have been surprised by the fact that most of the activists are middle-aged people from different professions. There were plenty of women who expressed their objection first.

Through the situation with COVID, we gained a new experience of solidarity and mutual assistance, so when the government turned against the people, we realized then how many we were.

Looking back now at the protests, would you do anything differently and have you learned lessons for the future?

We definitely have more appreciation for what we already have. We appreciate our amazing journalists, our civil society, and private businesses. And, of course, our upcoming victory.

What could we have done differently? We could have been more consistent in terms of our willingness to resolve the crisis quickly and painlessly for the country. We were calling for dialogue in August, and then we had this unfortunate period of ultimatums that damaged both sides.

The situation is different now, and everything is more complicated. The moment has gone, and I don’t think that negotiation or national dialogue in the form we expected a year ago is possible anymore.

We had to make very hard choices many times, but the most important thing is that we never deviated from our principles and values - the fairness of the law, kindness, respect and love. I believe it is the only right way.

How can you now achieve your goal of removing President Lukashenka from power?

To be a politician in Belarus nowadays means to be in prison. In this way, I can contribute to the common endeavor. It’s not our objective, though.

Our objective is a country free of current and future forms of authoritarianism.

How to free the country? On the one hand, we all have to maintain our effort, cohesion and solidarity. We should try not to lose that. On the other hand, we should focus on limiting the political space for the government. We should show that the system will have to deal with us, the Belarusians.

Thirdly, we have to think about the future of Belarus. We have to dream about it, believe in it and stay active. Everything is up to us.

You were a musician before becoming active in politics. Has music shaped your approach to political activism and have you had the chance to continue playing in detention?

The artistic path shapes the personality. Of course, teamwork, looking for unusual solutions, and the ability to stay concentrated and work for a long time in critical situations, as well as performing in public, is what I’ve been learning my whole life as a musician.

Management of contemporary art projects and partnerships with businesses, like with Viktar Babaryka, the former presidential candidate, for example, gave me even more experience.

I miss music a lot, but in Belarusian prisons, even books aren’t really allowed. I don’t have an opportunity to play.

Do you have any regrets about your decision to become involved in opposition politics?

I consider my decision to participate in the campaign the most important and responsible one of my life. I knew it would be hard, but the future of the nation is at stake. So it’s worth it. My love for Belarus and Belarusian people didn’t allow me to stay aloof.

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