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North Korean elite increasingly turning to VPNs, Tor

While only a small group of North Koreans have access to the global internet, usage patterns are changing among the elites of Pyongyang – with those in military intelligence circles now exhibiting stronger security chops, a report from Recorded Future has found





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Nonlinear ????-term approximation of harmonic functions from shifts of the Newtonian kernel

Kamen G. Ivanov and Pencho Petrushev
Trans. Amer. Math. Soc. 373 (2020), 3117-3176.
Abstract, references and article information




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Innovative UK companies using and sharing open data




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Best technology books




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The best TV shows about technology to stream




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A timeline of 5G development: From 1979 to Now




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Puppeteer....Canoeing

wheehamx posted a photo:

Stay at home pinhole camera, f285, 8seconds exposure, xray film




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Persistence and extinction in a stochastic nonautonomous logistic model of population dynamics

O. D. Borysenko and D. O. Borysenko
Theor. Probability and Math. Statist. 99 (2020), 67-75.
Abstract, references and article information




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Solutions in Lebesgue spaces to nonlinear elliptic equations with subnatural growth terms

A. Seesanea and I. E. Verbitsky
St. Petersburg Math. J. 31 (2020), 557-572.
Abstract, references and article information




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A borderline case of Calderón–Zygmund estimates for nonuniformly elliptic problems

C. De Filippis and G. Mingione
St. Petersburg Math. J. 31 (2020), 455-477.
Abstract, references and article information




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Survey on gradient estimates for nonlinear elliptic equations in various function spaces

S.-S. Byun, D. K. Palagachev and L. G. Softova
St. Petersburg Math. J. 31 (2020), 401-419.
Abstract, references and article information





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Three-dimensional noncompact ????-solutions that are Type I forward and backward

Xiaodong Cao, Bennett Chow and Yongjia Zhang
Proc. Amer. Math. Soc. 148 (2020), 2595-2600.
Abstract, references and article information




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Discontinuous critical Fujita exponents for the heat equation with combined nonlinearities

Mohamed Jleli, Bessem Samet and Philippe Souplet
Proc. Amer. Math. Soc. 148 (2020), 2579-2593.
Abstract, references and article information







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Google Docs tips everyone should know




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No misuse of gathering ban: SJ

Secretary for Justice Teresa Cheng today refuted suggestions that the law prohibiting group gatherings to combat the COVID-19 epidemic was being misused to crack down on protests and people's freedoms.

 

During a media session, Ms Cheng responded to criticisms from some legislators that Police were abusing the measure to clamp down on protests.

 

She said: “The Government respects and protects the freedoms that are set out in our laws, Basic Law and the Hong Kong Bill of Rights Ordinance. However, these freedoms are not absolute. Insofar as they violate the laws, then of course appropriate actions will have to be taken.”

 

The Government had earlier introduced the Prevention & Control of Disease (Prohibition on Group Gathering) Regulation (Cap. 599G) to prohibit group gatherings with more than four people in public places with a view to combating COVID-19.

 

The regulation was made in accordance with the Prevention & Control of Disease Ordinance (Cap. 599).

 

“Cap. 599G is enforced under Cap. 599 as a matter of the public health emergency situation that is facing Hong Kong at the moment. It is promulgated to encourage social distancing. It is not with any other motive except for the safety and health of the people in Hong Kong.

 

“I hope that you will all comply with it in spirit and in form, so that you will not gather and thereby extend Hong Kong's position in this public health emergency situation. That is the only way by which we can get back to normal life as soon as possible.”

 

In response to a reporter's question on the relevant provisions in the Basic Law that pertain to the Liaison Office of the Central People's Government in the Hong Kong Special Administrative Region, Ms Cheng remarked that the liaison office must also comply with Hong Kong laws.

 

“The Central People's Government as defined in the Constitution Law is actually the State Council, and therefore when one looks at the whole thing about the Constitution Law, Article 5 of the Constitution Law states unequivocally that every body that is set up will have to comply with the relevant laws and the Constitution Law.

 

“In other words, the liaison office will have to obey and comply with the laws in Hong Kong.”




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Nordic tale to be staged

The Leisure & Cultural Services Department will present Nobody but a princess..., a multimedia production featuring Nordic singers, dancers from the Hong Kong Ballet and overseas acrobats from November 8 to 10.

 

A story of a modern princess who discovers her identity and true love through her fantastic journey of wonders, the performance will be staged in a custom-made giant dome, complete with a state-of-the-art kinetic light display and pyrotechnics.

 

It will be held at 6pm, 7pm and 8.30pm from November 8 to 10 at the Cultural Centre Piazza.

 

The show will be conducted in English and include a strobe light effect. Admission is free.

 

Click here for details.




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Art museum to reopen on Nov 30

The Hong Kong Museum of Art will reopen on November 30 with 11 new exhibitions, after major expansion and renovation.

 

Ordinary to Extraordinary: Stories of the Museum, an exhibition of gems from the museum's collection, will showcase exceptional works curated from its four core collections - Chinese Antiquities, Chinese Painting & Calligraphy, China Trade Art, and Modern & Hong Kong Art.

 

Museum of Art Director Maria Mok said that by sharing the fascinating stories behind these works, the exhibition will help visitors discover little-known anecdotes about the museum throughout the 57 years since its founding.

 

The exhibition From Dung Basket to Dining Cart: 100th Anniversary of the Birth of Wu Guanzhong will showcase more than 100 of the artist’s paintings to not only honour his contributions to Chinese art, but also pay tribute to his artistic pursuits spanning over half a century.

 

The development of Hong Kong art has been a unique local experience.

 

The Hong Kong Experience‧Hong Kong Experiment exhibition makes use of the museum's collection accumulated over half a century to capture all these different experiences and experiments, portraying the development of Hong Kong art.

 

The museum has been closed since August 2015 for renovations to increase exhibition space and upgrade its facilities.

 

After the expansion, its total exhibition area will increase from about 7,000 to 10,000 sq m and the number of galleries will increase from seven to 12.

 

Click here to reserve admission time slots.




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Astronomical events exhibit set

The Space Museum is staging a special exhibition 2020 Astronomical Events to highlight six major astronomical events happening this year.

 

The events include grouping of the four planets with the moon in late March, the serial phenomena of Jupiter's moons on June 11 and 12, and the partial solar eclipse on June 21.

 

Information on the Perseid meteor shower in mid-August, the Geminid meteor shower in mid-December and the Jupiter-Saturn conjunction on December 21 will also be featured.

 

The exhibit explains details and phenomena of these events, while serving as a practical guide to help visitors pick the best dates, times, locations and tools to observe them.

 

It will run until September 21 in two phases. The first three events will be presented during the first phase from January to June, while the second phase events will be shown from June to September.

 

Admission is free.

 

Call 2721 0226 for enquiries.




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Offensive Words/Phrases: Who Should Know Better?

Required reading for any academic is Philip Roth’s “The Human Stain.” In the first few pages an older, tenured professor is “forced to retire.” Why? There were two students who never were present when he called roll. Even after roll … Continue reading





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I’m Just Not a Math Person…

We as mathematicians seem practically hell-bent on removing the phrase “I’m just not a math person” from students’ vocabularies. Maybe that’s why they scream it so loudly and defiantly? Math has so many tactical advantages over sports and the arts. … Continue reading




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Non-negative Matrix Factorizations




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No item available

There is currently no information available.




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Foyle Film Festival Announces Winners of 2014 Festival

Two short films have made it one step closer to an Oscar nomination after picking up a Light in Motion (LIM) award at the Foyle Film Festival’s closing ceremony in Brunswick Moviebowl.




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Interview with Director Pat O’ Connor

Guest of Honour at Film Mayo launch on 1st December




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Non-Periodontal Oral Manifestations of Diabetes: A Framework for Medical Care Providers

Beatrice K. Gandara
Nov 1, 2011; 24:199-205
From Research to Practice




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Continuous Intravenous Insulin: Ready for Prime Time

Nancy J. D'Hondt
Oct 1, 2008; 21:255-261
Articles




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Vitamin D Deficiency and Type 2 Diabetes in African Americans: The Common Denominators

Shani V. Davis
Aug 1, 2011; 24:148-153
Feature Article/Vitamin D in African Americans




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Act together to revive economy

The Government is set to revive the economy through different measures and everyone should act together to attain this goal.

 

Secretary for Financial Services & the Treasury Christopher Hui made the remarks today after attending a radio programme, saying the economy has been seriously affected by the epidemic.

 

“I think right now the immediate priority is definitely to revive the economy because after all, we have been subjected to many restrictions on all you can imagine in the past few months due to COVID-19.

 

“So the immediate priority is really for us to act together to revive the economy through different measures.

 

“And the measures that are subject to the Legislative Council’s approval as you have seen over the past few days, I think are definitely something that we want to do in order to provide a sort of foundation for our economic recovery.”




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Economy dips 8.9% in Q1

(To watch the whole media session with sign language interpretation, click here.)

 

Hong Kong's economy in the first quarter of 2020 contracted 8.9% over a year earlier, the largest decline on record since 1974.

 

The Census & Statistics Department announced the findings today as it released advance estimates on Gross Domestic Product for the first quarter.

 

Addressing the media today, Financial Secretary Paul Chan noted the economic recession deepened in Hong Kong in the first quarter of 2020.

 

“Although locally, the epidemic situation seems to be under control, but the external environment is still very challenging. Globally, the epidemic is yet to be put under complete control. That will affect our exports. That will also affect international travelling and business investments. 

 

“So, going forward in the second quarter, we believe that even if there is improvement, the improvement will be gradual and small.”

 

According to those estimates, private consumption expenditure decreased 10.2% in real terms in the first quarter from a year earlier, deteriorating from the 2.9% decline in the fourth quarter of 2019.

 

Government consumption expenditure grew 8.3% year-on-year, after the increase of 6.1% in the fourth quarter of 2019.

 

Gross domestic fixed capital formation dropped by 13.9%, compared with the decrease of 16.8% in the previous quarter.

 

Over the same period, total exports of goods declined 9.7% and imports of goods also fell 10.9%.

 

Exports of services dropped 37.8% and imports of services decreased 25.4%.

 

Mr Chan called on people to work together to promote economic development by consumption.

 

“If we are able to work together, if we can unite together - not just to fight the virus, but to stimulate consumption to promote economic development - I think the economic situation will be able to stabilise somewhat in the second quarter. 

 

“If the global epidemic situation improves, we will be able to come out of recession gradually towards the end of this year. 

 

“I will appeal to our people's support for us to roll out various measures in the Anti-epidemic Fund - round one and round two - as well as the relief packages in the 2020-21 Budget as soon as possible.

 

“Many of those initiatives are still yet to be implemented. Upon full implementation of those measures, I think the positive impact on the economy would be better felt by the community. We will be monitoring the situation carefully.”

 

The Government stands ready to roll out additional measures to support Hong Kong people and the businesses, Mr Chan added.




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Honours, awards exercise deferred

The 2020 honours and awards selection and appointment of Justices of the Peace (JPs) exercise will be postponed, as well as the announcement of the list of honours and awards and JP appointments, the Government announced today.

 

It decided to defer the exercise to accord top priority to the ongoing anti-epidemic work and implementation of measures to retain employment, support businesses and ease people's livelihood in the face of challenges arising from the COVID-19 epidemic.

 

The Honours List and JP appointments will be announced on October 1 instead of July 1 as in previous years, the Government added.




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KRACK Wi-Fi flaw: What you should know

Several fundamental weaknesses have been exposed in the most common Wi-Fi security protocols.




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Uber's most notable news and announcements

All the details on Uber's biggest announcements as well as updates on the controversial company's trials and tribulations




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Latest Facebook news and announcements




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Technologists lead crowdsourced Coronavirus Tech Handbook response

A group of technologists has led crowdsourcing efforts to create a single repository of information for specialists fighting the Coronavirus outbreak. Techworld speaks with founder Edward Saperia to hear more about how collaboration tools can help the efforts




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HKEx chief not to seek reappointment

Hong Kong Exchanges & Clearing Limited (HKEx) today announced that Charles Li will not seek reappointment as Chief Executive at the end of his current contract in October 2021.

     

The Government said it respected Mr Li's decision and expressed deep appreciation for his exemplary contribution to the development of the financial market during his tenure as HKEx Chief Executive in the past decade.

 

Since taking the helm in January 2010, he has led HKEx and Hong Kong’s capital market in achieving important breakthroughs one after another.

 

The vibrancy and growth that Mr Li has brought to Hong Kong in the capital market helps reinforce the status of Hong Kong as a leading international financial centre.

 

Financial Secretary Paul Chan said: "Thanks to his vision and leadership, Mr Li has laid a solid and strong foundation for our stock market, rendering Hong Kong the largest IPO market in the world for seven times in the past 11 years.

 

"He has been instrumental in the successful launch of mutual market access programmes between Hong Kong and the Mainland, notably the Shanghai-Hong Kong Stock Connect in 2014, which was expanded to include Shenzhen-Hong Kong Stock Connect in 2016 and Bond Connect in 2017.

 

"He also played a pivotal role in the launch of new listing regime in Hong Kong, the enhanced internationalisation of HKEx and its international visibility. These are all important achievements of HKEx in the past few years under Mr Li’s able leadership."

Mr Chan added that the Government is confident the HKEx board will continue to ensure the success of HKEx in the years to come.




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Policy studies funding announced

About $31 million in funding has been given to support 79 projects under the special round of the Public Policy Research (PPR) Funding Scheme, the Government announced today.

 

A total of 210 applications were received for the special round, which was launched last November to fund local research institutions and think tanks to research topics relating to the underlying causes of the social incidents that took place in the second half of 2019.

 

The research may also cover important political, economic, cultural and societal issues relating to deep-seated problems of society.

 

Assessment of the applications received under the special round was conducted by the independent assessment panel chaired by and comprising experienced academics.

 

The research quality of the proposal and relevance to the themes of the special round were the principal assessment criteria, with consideration given to factors such as whether the research proposal was solution-oriented, feasible and practical, whether the methodology was reasonable and sound, the applicant’s capability and whether the proposed budget was cost-effective. 

 

The assessment panel took a holistic view on each research proposal, reached a collective decision and made recommendations, the Policy Innovation & Co-ordination Office said, adding that a declaration of interest system was in place to ensure the assessments were fair and impartial.

 

In general, a sum of up to $500,000 has been granted to each approved project under the special round.

 

The approved projects have commenced progressively and are expected to be completed by the end of the year, with the first batch to be completed in late September to early October.

 

Click here for details of the funded projects.




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Persistence of Stratifications of Normally Expanded Laminations

Pierre Berger, Universite Paris 13 - A publication of the Societe Mathematique de France, 2013, 113 pp., Softcover, ISBN-13: 978-2-85629-767-4, List: US$45, All AMS Members: US$36, SMFMEM/134

This manuscript complements the Hirsch-Pugh-Shub (HPS) theory on persistence of normally hyperbolic laminations and implies several structural...




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Metric Spaces, Convexity and Nonpositive Curvature: Second Edition

Athanase Papadopoulos, Universite de Strasbourg - A publication of the European Mathematical Society, 2013, 320 pp., Softcover, ISBN-13: 978-3-03719-132-3, List: US$58, All AMS Members: US$46.40, EMSILMTP/6.R

This book is about metric spaces of nonpositive curvature in the sense of Busemann, that is, metric spaces whose distance function satisfies a...




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Lecture Notes on Cluster Algebras

Robert J. Marsh, University of Leeds - A publication of the European Mathematical Society, 2014, 122 pp., Softcover, ISBN-13: 978-3-03719-130-9, List: US$36, All AMS Members: US$28.80, EMSZLEC/19

Cluster algebras are combinatorially defined commutative algebras which were introduced by S. Fomin and A. Zelevinsky as a tool for studying the dual...




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Nonlinear Stability of Ekman Boundary Layers in Rotating Stratified Fluids

Hajime Koba, Waseda University - AMS, 2014, 127 pp., Softcover, ISBN-13: 978-0-8218-9133-9, List: US$79, All AMS Members: US$63.20, MEMO/228/1073

A stationary solution of the rotating Navier-Stokes equations with a boundary condition is called an Ekman boundary layer. This book constructs...




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Semiclassical Standing Waves with Clustering Peaks for Nonlinear Schrodinger Equations

Jaeyoung Byeon, KAIST, and Kazunaga Tanaka, Waseda University - AMS, 2013, 89 pp., Softcover, ISBN-13: 978-0-8218-9163-6, List: US$71, All AMS Members: US$56.80, MEMO/229/1076

The authors study the following singularly perturbed problem: (-epsilon^2Delta u+V(x)u = f(u)) in (mathbf{R}^N). Their main result is the...




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Dartmouth's Katherine Mirica wins National Teacher-Scholar Honor

(Dartmouth College) Annual award supports the research and teaching careers of talented young faculty in the chemical sciences.




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Shedding new light on nanolasers using 2D semiconductors

(Arizona State University) Cun-Zheng Ning, a professor of electrical engineering in the Ira A. Fulton Schools of Engineering at Arizona State University, and collaborators from Tsinghua University in China discovered a process of physics that enables low-power nanolasers to be produced in 2D semiconductor materials. Understanding the physics behind lasers at nanoscale and how they interact with semiconductors can have major implications for high-speed communication channels for supercomputers and data centers.




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No new COVID-19 cases reported

The Centre for Health Protection announced that as of 4pm today, no new COVID-19 cases have been recorded, leaving the number of confirmed cases in Hong Kong at 1,040 so far.

 

The centre again urged members of the public to maintain an appropriate social distance with other people in their daily lives to minimise the risk of infection.

 

People should go out less and avoid social activities such as having meals out or other gatherings to minimise the risk of coronavirus clusters emerging in the community.

 

As the COVID-19 situation remains severe and the number of cases reported around the world continues to rise, people are strongly urged to avoid all non-essential travel outside Hong Kong as well as maintain strict personal and environmental hygiene at all times.

 

Additionally, the Hospital Authority reported that there are currently 142 patients under isolation and that 920 patients have been discharged upon recovery.

 

For information and health advice on COVID-19, visit the Government's dedicated webpage.