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News
July 9, 2026
HSE Economists Use Search Queries to Forecast Birth Rates
Researchers from the HSE Faculty of Economic Sciences have shown that the accuracy of birth rate forecasts for Russia can be improved by almost 50% by incorporating the dynamics of online search queries related to pregnancy and childbirth into forecasting models. In the best-performing models, the forecasting error fell from 4.6% to 3.2%. The findings have been published in Populations and Economics.
July 8, 2026
HSE Researchers Discover Who Eats Out in Russia-And Why
Around one-third of Russians (31.3%) rarely eat out or buy ready-made meals. The core group of active consumers—those who eat out or purchase prepared food almost every day or several times a week—accounts for only about 9% of the population. These are the findings of a study conducted by the HSE Institute for Social Policy. According to the researchers eating out is no longer a marker of high social status in Russia.
July 8, 2026
HSE University and RREDA Join Forces to Support 2026 Renewable Energy of the Planet Competition
HSE University and the Russia Renewable Energy Development Association (RREDA) have signed a partnership and information cooperation agreement to support Renewable Energy of the Planet—2026, a national competition with international participation for students and early-career researchers. Applications are open on the competition's website until September 20, 2026.

 

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О взаимосвязи между дополнениями конфигураций координатных и диагональных подпространств

Математический сборник. 2025.
Tril V.
Language: Russian
DOI
Keywords: торическая топология
Publication based on the results of:
Toric Topology, Hyperbolic Geometry and Applications to Data Analysis (2025)
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The lower central series of a right-angled Coxeter group RCK and the corresponding graded Lie algebra L(RCK) associated with the lower central series of a right-angled Coxeter group are studied. Relations are obtained in the graded components of the Lie algebra L(RCK). A basis of the fourth graded component of L(RCK) for groups with at most four generators is described. ...
Added: November 23, 2023
Торическая топология, действия групп, геометрия и комбинаторика
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This volume is the second part of a two-volume edition devoted to topical problems of algebraic topology, group actions, discrete geometry, and combinatorics. The authors of the volume share research interests in these areas and regularly participate in joint thematic scientific seminars and conferences organized with the support of the Department of Geometry and Topology ...
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В центре внимания работы система аксиом, на основе которых вводятся структурные данные (2n,k)-многообразий M^{2n}, где M^{2n} – гладкое компактное 2n-мерное многообразие с гладким эффективным действием k-мерного тора T^k. Дана конструкция в терминах этих данных модельного пространства E с действием тора T^k такого, что имеет место T^k-эквивариантный гомеоморфизм E→M^{2n}, индуцирующий гомеоморфизм E/T^k→M^{2n}/T^k. Число d=n−k называется сложностью ...
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