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July 20, 2026
Scientists Propose Method for More Efficient Resource Use in Machine Learning
An international group of researchers, including mathematicians from the AI and Digital Science Institute at the HSE Faculty of Computer Science, has provided a theoretical justification for a simple and computationally efficient method of estimating uncertainty in Stochastic Gradient Descent (SGD). The paper has been published on the scientific preprint server arXiv.org and presented at AISTATS 2026.
July 16, 2026
Team Success: Aligning Means with Objectives
In corporations, sports, and academia, people often face challenges they cannot handle alone. In such cases, selecting the right team is crucial. Tatiana Mayskaya, Associate Professor at the HSE Faculty of Economic Sciences and the International College of Economics and Finance, together with colleagues from foreign universities, examined team characteristics and found that less diverse teams are better suited to objectives where a high average performance is important, whereas more diverse teams are preferable when avoiding failure is critical. The paper has been published in Economic Theory.
July 15, 2026
Economists Propose More Effective Approach to Reducing Smoking
Economists at HSE University have examined how smokers respond to changes in cigarette prices. When tobacco prices increase, cigarette consumption does not always decline. In fact, spending on tobacco may even rise: according to the researchers, a 1% decrease in cigarette affordability leads to a 0.28% increase in per capita tobacco expenditure. The findings suggest that to reduce smoking rates, tobacco prices must rise faster than household incomes. The study has been published in Voprosy Statistiki.

 

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?

Эпистемическая STIT-логика без типов действий

С. 145–148.
Khaitovich D.

In the recent literature we can find several epistemic exstensions of STIT logics. One of the most prominent variant -- KSTIT logic, developed by John Horty and Eric Pacuit -- is build upon the introducing action type-token distinction in the theory, combined with a number of semantic constrains on epistemic and  historical relations. In this article we will deduce counter-intuitive theorems provable in KSTIT-logic and introduce our own variant of epistemic STIT logic, not supporting them.

Language: Russian
Full text
Keywords: modal logicмодальная логикаepistemic logicэпистемическая логикаStit-логикаstit-logic

In book

Двенадцатые Смирновские чтения: материалы Международной научной конференции, Москва, 24–26 июня 2021 г.
М.: Русское общество истории и философии науки, 2021.
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