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Uncertainty of Graph Clustering in Correlation Block Model
P. 353–356.
Artem Aroslankin, Valeriy Kalyagin
Publication based on the results of:
Grebnev L., Вопросы философии 2025 № 6 С. 105–116
The relevance of the topic is related to the fact that after the complete abandonment of real values in the 1970s of the main means of international settlements - the US dollar – there is a growing feeling that money increasingly represents an illusory reality. The article begins with an analysis of the illusions associated ...
Added: July 6, 2026
Rusakov D., Елютин М. С., Синицын Н. А. et al., Известия РАН. Серия географическая 2024 Т. 88 № 2 С. 214–230
Network analysis of the Russian timber industry was based on the information about timber transactions between
Russian companies in 2020. The data were collected from the Unified State Automated Information System
Accounting Timber and Transactions with It. The method of graph clustering was developed. The first step is clustering of the hole graph by Leiden algorithm. The ...
Added: May 2, 2026
Maksimenko A., Круз-Карденес Х., Забелина Е. В. et al., Высшее образование в России 2026 Т. 35 № 6 С. 102–126
Today, there is a growing anxiety about artificial intelligence in the educational space, which greatly affects the willingness to make technological decisions and plan for one’s professional future. In empirical studies, AI anxiety is defined as a complex phenomenon including a range of negative emotional responses that shapes in people due to development and potential ...
Added: December 22, 2025
Meissner D., Salati Marcondes de Moraes G. H., Brandão Fischer B. et al., / NRU Higher School of Economics. Series WP BRP "Science, Technology and Innovation". 2025. No. WP BRP /STI/2025.
Innovation has long been at the center of debates in economics, management, and organizational studies. However, innovation is never free of uncertainty and risk. Every act of innovation implies a departure from established paths and a willingness to embrace the unknown. From the beginning it's never clear if there is an audience which appreciates the ...
Added: November 28, 2025
Andrey Timashkov, Sarah Anderson, Oksana Zinchenko, Frontiers in Neuroscience 2025 Vol. 19 Article 1662272
The analysis revealed nine distinct activation clusters, revealing a comprehensive neural network involved in uncertainty processing. Key findings demonstrated predominant activations in the anterior insula (up to 63.7% representation), inferior frontal gyrus (up to 40.7%), and inferior parietal lobule (up to 78.1%). We found a functional specialization between emotional-motivational processes (clusters 1–5) and cognitive processes ...
Added: November 26, 2025
Morozova A., Monahhova E., Gorodnicheva Y. et al., , in: 2025 Seventh International Conference Neurotechnologies and Neurointerfaces (CNN).: IEEE, 2025. P. 78–82.
Added: October 8, 2025
Gorodnicheva Y., Bekim A., Klucharev V. et al., , in: 2025 Seventh International Conference Neurotechnologies and Neurointerfaces (CNN).: IEEE, 2025. P. 20–24.
This study explores the effects of manipulative content on uncertainty reduction, focusing on individual differences in Need for Cognition (NFC). Behavioral (reading cessation) and physiological (eye-tracking) measures were used to assess responses to cognitive, affective, and neutral stimuli. Results indicate that cognitive manipulations increase reading time; and cognitive and affective manipulations elicit more fixations and ...
Added: October 8, 2025
Grebnev L., Вопросы философии 2025 № 6 С. 105–116
The relevance of the topic is related to the fact that after the complete abandonment of real values in the 1970s of the main means of international settlements - the US dollar – there is a growing feeling that money increasingly represents an illusory reality. The article begins with an analysis of the illusions associated ...
Added: June 26, 2025
Khezri E., Tatarko A., Psychology. Journal of the Higher School of Economics 2025 Vol. 22 No. 1 P. 106–129
Previous research showed the association of socioeconomic status (SES) with both interdependence and independence in collectivistic cultures and the socioeconomic disadvantages of mismatch between the individual and the overarching culture. This study investigated whether interdependent-independent self-construals are linked to SES in Iran, if the culture-incongruent self is related to status-based identity uncertainty (SBIU), and if ...
Added: March 18, 2025
Lola I. S., Asoskov D., Russian Journal of Economics 2024 No. 10(4) P. 351–364
This paper investigates the utility of business uncertainty indicators as predictive tools for forecasting economic activity in the context of Russia. In an era characterized by global economic volatility and geopolitical shifts, understanding the dynamics of economic uncertainty and its impact on overall economic performance is of paramount importance. The study utilizes a comprehensive dataset ...
Added: December 10, 2024
Veronica M. Sytnik, Proskuryakova L. N., European Journal of Futures Research 2024 Vol. 12 Article 21
This study focuses on the integration of methods from different theories and research
concepts into futures studies in order to better understand the obscure future through
the identification of unpredictable and hard-to-predict rare events and factors.
Particular emphasis in this study is placed on systems theory, cybernetics, synergetics,
theory of chaos, bifurcation theory, catastrophe theory, thermodynamics, and the
theory of ...
Added: November 30, 2024
Lola I. S., Asoskov D., / NRU Higher School of Economics. Series WP BRP "Science, Technology and Innovation". 2024. No. 128/STI/2024.
This paper investigates the utility of business uncertainty indicators as predictive tools for forecasting economic activity in the context of Russia. In an era characterized by global economic volatility and geopolitical shifts, understanding the dynamics of economic uncertainty and its impact on overall economic performance is of paramount importance. The study utilizes a comprehensive dataset ...
Added: November 2, 2024
Rakhmankulova Z., Efimov K., Kadieva D. et al., Cognition, Brain, Behavior. An Interdisciplinary Journal 2024 Vol. 28 No. 2 P. 137–182
Narratives can influence risk-taking by shaping perceptions and emotions. In the present study we used first-person audio and video narratives describing either financial successes, failures, or neutral events devoid of any risk references in order to investigate how these types of stimuli affect risk-taking performance in the Balloon Analogue Risk Task (BART). Audio narratives of ...
Added: September 6, 2024
Valeriy Kalyagin, Ilya Kostylev, , in: Mathematical Optimization Theory and Operations Research. 23rd International Conference, MOTOR 2024, Omsk, Russia, June 30–July 6, 2024, Proceedings. LNCS, volume 14766.: Springer, 2024. P. 337–348.
Problem of learning a graphical model (graphical model selection problem) consists of recovering a conditional dependence structure (concentration graph) from data given as a sample of observations from a random vector. Various algorithms to solve this problem are known. One class of algorithms is related with convex optimization problem with additional lasso regularization term. Such ...
Added: August 9, 2024
Stolbov M., Shchepeleva M., Environmental and Sustainability Indicators 2024 Vol. 22 Article 100389
The paper studies the relationships among the composite indicators of environmental performance, financial development, systemic risk and economic uncertainty for a balanced panel of 57 countries during 2010–2020. The analysis builds on panel local projections by Jord´ a (2005). In addition to the whole panel, this technique also applies to two sub-panels obtained via the ...
Added: May 22, 2024
Grebnev L., М.: ИНФРА-М, 2023.
The author's reflections on Adam from Eden began at the turn of the 2000s-2010s, first with students of the Kutafin Moscow State University, and then the Higher School of Economics. The result of these reflections is addressed primarily to those who, regardless of age, want to become a truly adult person, that is, to make ...
Added: April 2, 2024
Pashkov S., Экономическая социология 2024 Т. 25 № 1 С. 161–175
Mitchell Abolafia's book offers an in-depth analysis of the famous Global Financial Crisis of 20072008. The book examines how the critical decisions made by officials of the US Federal Reserve System affected the operation of markets, the understanding of its participants of the full depth of the crisis, and the search for a way out ...
Added: March 5, 2024
Stolbov M., Shchepeleva M., Parfenov D., Economics Letters 2024 Vol. 235 Article 111550
The paper investigates the lead-lag relationships among systemic risk, economic uncertainty and real economic activity for top-5 contributors to global systemic risk, the USA, China, the UK, France and Japan, during January 2010-July 2023. By decomposing these variables into a below- and above-the-median components and applying VAR models to them, we confirm the presence of asymmetric relationships ...
Added: January 30, 2024
Marina Boykova, Knyazeva H., Salazkin M., Foresight and STI Governance 2023 Vol. 17 No. 4 P. 80–91
The challenges the futures studies face are particularly complex, interconnected, and contradictory, and cannot be resolved using linear approaches. Prognostic science needs tools matching the new contextual complexity, which would allow to capture a much wider range of driving forces, and their potential effects, in a non-linear perspective, to improve the accuracy of forecasts and ...
Added: January 25, 2024
Jakobson L. I., Журнал Новой экономической ассоциации 2023 Т. 4 № 61 С. 230–236
When designing both governmental and business strategic plans nowadays, an overwhelming
uncertainty about the future state of natural and social environment needs to be considered. Businesses are gradually
shaping approaches to solve this problem and revising the known ideas of risk management. At the government
level, however, the same problem, which becomes even more challenging, urgent and demanding, ...
Added: December 11, 2023
Valeriy Kalyagin, Ilya Kostylev, , in: 14th International Conference, OPTIMA 2023, Petrovac, Montenegro, September 18–22, 2023, Revised Selected Papers. Communications in Computer and Information Science (CCIS, volume 1913)Vol. 1913.: Springer, 2023. P. 188–201.
Graphical models became a popular tool in machine learning and data analysis. Graphical Model Selection Problem is a problem to recover a specific graph structure (graphical model) from a set of data. In many cases the data are given by a sample of observations of some multivariate distribution. In this setting any reconstruction algorithm
can be ...
Added: December 9, 2023
Shvedov A. S., Control Sciences 2023 No. 5 P. 18–31
Firms operating in a market economy naturally strive to increase revenues. When large firms affect prices by their actions, this task involves nontrivial mathematics, i.e., game-theoretic oligopoly models. The survey is more concerned with Cournot competition than with Bertrand competition. The existence, uniqueness, and stability of Cournot equilibrium are discussed. The other issues under consideration ...
Added: December 2, 2023
Shvedov A. S., Проблемы управления 2023 № 5 С. 23–39
Firms operating in a market economy naturally strive to increase revenues. When large firms affect prices by their actions, this task involves nontrivial mathematics, i.e., game-theoretic oligopoly models. The survey is more concerned with Cournot competition than with Bertrand competition. The existence, uniqueness, and stability of Cournot equilibrium are discussed. The other issues under consideration ...
Added: November 10, 2023
Lola I. S., Bakeev M., Manukov A., Вопросы статистики 2024 Т. 31 № 1 С. 5–21
В статье изложены основные результаты исследования по разработке методики и апробации инструментария, для регулярного мониторинга деловой среды в России посредством измерения уровня ее неопределенности и выявления степени ее влияния на динамику экономической активности на основе анализа конъюнктурных обследований бизнеса. Данная методика впервые протестирована для оценки неопределенности деловой среды и ее воздействия на цифровое и технологическое ...
Added: October 13, 2023