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October 14, 2026
At HSE University–St Petersburg, Experts Discuss How AI Changes Tourist Routes and Cultural Heritage
Neural networks are no longer simple travel assistants; now they decide what to include on the route and what to skip. Artificial intelligence changes how people perceive a place and shapes the image of tourist centres. At the II International Scientific and Practical Conference ’Information Technologies in the Preservation and Promotion of Cultural Heritage,’ researchers discussed who controls algorithmic solutions and in what ways, and whether authentic traditions get lost in them.
October 12, 2026
Road Injuries Leading Cause of Death Among Men Aged 10 to 39
Worldwide, road injuries are the leading cause of death among males aged 10–39. An international team of researchers reached this conclusion as part of the Global Burden of Disease Study 2023, analysing data from 204 countries between 1990 and 2023. Their findings have been published in The Lancet Public Health, with HSE University Professor Vasily Vlassov listed among the collaborators.
October 8, 2026
HSE Experts Take Part in 23rd Annual Meeting of Valdai Discussion Club
The 23rd Annual Meeting of the Valdai Discussion Club was held from September 28 to October 1, 2026 under the theme ‘Responsibility for the Future: Limits of the Possible, or Limitless Possibilities?’ The forum brought together 120 experts from 40 countries, including representatives of China, the United States, India, Brazil, the United Kingdom, Germany, Egypt, Iran, and Japan.

 

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Пространства Соболева $W_{p}^{1}(\mathbb{R}^{n})$ на $d$-толстых замкнутых подмножествах $\mathbb{R}^{n}$

Математический сборник. 2020. Т. 211. № 6. С. 40–94.
Tyulenev A., Водопьянов С. К.
Language: Russian
Keywords: пространства Соболева
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The Sobolev space W_2^{1/2}: Simultaneous improvement of functions by a homeomorphism of the circle
Lebedev V., Journal of Mathematical Analysis and Applications 2026 Vol. 563 No. 2 Article 130787
It is known that for every continuous real-valued  function $f$ on the circle $\mathbb T=\mathbb R/2\pi\mathbb Z$ there exists a  change of variable, i.e., a self-homeomorphism $h$ of $\mathbb T$, such that  the superposition $f\circ h$ is in the Sobolev space $W_2^{1/2}(\mathbb T)$.  We obtain new results on simultaneous improvement of functions by a single  change of variable in relation ...
Added: May 14, 2026
Следы пространств Соболева на кусочно регулярных по Альфорсу–Давиду множествах
Tyulenev A., Математические заметки 2023 Т. 114 № 3 С. 404–434
Пусть $(X,d,\mu)$ – метрическое пространство с равномерно локально удваивающей мерой $\mu$. При $p \in (1,\infty)$ предположим, что $(X,d,\mu)$ допускает слабое локальное $(1,p)$-неравенство Пуанкаре.  Мы даем харакетризацию следов пространства Соболева первого порядка $W_{p}^{1}(X)$  на подмножествах $S$ пространства $X$, которые могут быть представлены как конечное объединение $\cup_{i=1}^{N}S_{i}$, $N \in \mathbb{N}$, регулярных по Альфорсу--Давиду множеств $S_{i} \subset X$, $i ...
Added: December 25, 2025
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Tyulenev A., Математический сборник 2023 Т. 214 № 9 С. 58–143
При $p \in (1,\infty)$ пусть $(X,d,\mu)$ – метрическое пространство с равномерно локально удваивающей мерой μ, допускающее слабое локальное $(1,p)$-неравенство Пуанкаре. При каждом $\theta \in [0,p)$ мы характеризуем след пространства Соболева $W_{p}^{1}(X)$ на замкнутых множествах $S \subset X$, удовлетворяющих условию регулярности $\theta$-коразмерностного обхвата снизу. В частности, если пространство $(X,d,\mu)$ является $Q$-регулярным по Альфорсу при некоторых $Q ...
Added: December 25, 2025
The Sobolev space W_2^{1/2} : Simultaneous improvement of functions by a homeomorphism of the circle
Vladimir Lebedev, / Series math "arxiv.org". 2025. No. arXiv:2511.07840v3.
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The Bohr--Pal Theorem and the Sobolev Space W_2^{1/2}
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The well-known Bohr--Pal theorem asserts that for every continuous real-valued function f on the circle T there exists a change of variable, i.e., a homeomorphism h of T onto itself, such that the Fourier series of the superposition foh converges uniformly. Subsequent improvements of this result imply that actually there exists a homeomorphism that brings f into the Sobolev space W_2^{1/2}(T). This ...
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The Bohr--Pal Theorem and the Sobolev Space W_2^{1/2}
Vladimir Lebedev, / Series math "arxiv.org". 2015. No. 1508.07167.
The well-known Bohr--Pal theorem asserts that for every continuous real-valued function f on the circle T there exists a change of variable, i.e., a homeomorphism h of T onto itself, such that the Fourier series of the superposition f o h converges uniformly. Subsequent improvements of this result imply that actually there exists a homeomorphism ...
Added: September 3, 2015
Соболевские пространства, их обобщения и эллиптические задачи в областях с гладкой и липшицевой границей
Agranovich M. S., М.: МЦНМО, 2013.
Эта книга адресуется математикам, которые занимаются уравнениями в частных производных и функциональным анализом. Первые две главы содержат вводные курсы. В главе I это теория пространств H s бесселевых потенциалов (s ∈ ; при s 0 это пространства W2  С. Л. Соболева––Л. Н. Слободецкого). В главе II –– теория общих эллиптических уравнений и задач в этих пространствах ...
Added: December 18, 2013
Hessian metrics, CD(K,N)-spaces, and optimal transportation of log-concave measures
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We study the optimal transportation mapping VΦ: ℝd → ℝd pushing forward a probability measure μ = e -V dx onto another probability measure ν = e-W dx. Following a classical approach of E. Calabi we introduce the Riemannian metric g = D2 Φ on ℝd and study spectral properties of the metric-measure space M ...
Added: November 12, 2013
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Работа связана с изучением соболевской регулярности отображений оптимальной транспортировки в бесконечномерных пространствах, наделенных гауссовской мерой. Найдены условия принадлежности соболевскому  классу для таких отображений. Доказана формула замены переменных. ...
Added: February 19, 2013
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