Кто изображён на обложке [Дмитрий Андреевич Гудков]

We provide an infinite series of commutative finite-dimensional Gorenstein local algebras A_n for n ≥ 2. We give an elementary proof that the maximal ideal of every algebra A_n possesses a one-dimensional subspace that is different from the socle and invariant under the automorphism group of A_n. The latter implies that the algebras A_n fail ...

Added: October 17, 2026

Turbulent Exchange Tensor in the Atmospheric Boundary Layer: An Inverse-Problem Approach Using Radiosonde Wind Observations with High Vertical Resolution

Gordin V. A., Efremenko D., Boundary-Layer Meteorology 2026 Vol. 192 No. 51

An inverse problem of reconstructing the turbulent exchange tensor from large archives of observed wind profiles within the Åkerblom–Ekman (A-E) model framework is investigated using high-vertical-resolution radiosonde observations. The reconstructed tensor provides improved agreement between modeled and observed wind profiles compared to classical formulations based on real turbulent exchange coefficient. Instead of the classical A-E ...

Added: October 16, 2026

Diversity of chaos with additional zero Lyapunov exponents in heterogeneous ensemble of quasi-periodic and chaotic systems

Kuznetsov A. P., Sedova Y. V., Stankevich N., Chaos, Solitons and Fractals 2026 Vol. 213 No. 12 Article 119309

We analyze the interaction of a quasi-periodic subsystem, in which two-, three-, and four- frequency quasi-periodic oscillations are possible, with a chaotic subsystem. A discrete version is obtained via the Euler scheme from the corresponding flow model. The dynamics of individual subsystems are discussed, including quasi-periodic bifurcations of invariant tori and the occur rence of ...

Added: October 16, 2026

A Reproducible Microscopy Acquisition Pipeline and Microscopy-Aware Attention for Classification, Detection, and Segmentation of Microorganisms

Aleksei Samarin, Nazarenko A., Nazarenko D. et al., Machine Learning and Knowledge Extraction 2026 Vol. 8 No. 10 Article 330

Automated microscopic image analysis is essential for quantitative microbiology, yet manual acquisition and generic recognition models struggle with morphological variability and scene artifacts. We address both ends of this pipeline. First, we present a low-cost, open-source acquisition system, based on an Arduino UNO R3 microcontroller and NEMA 17 stepper motors, that automates focusing, magnification, and ...

Added: October 14, 2026

‘ … If not a Revolutionary Museum, then at Least an Oppositional One … ’: the Russian Revolutionary Movement’s Initiatives to Create a Revolutionary Museum in 1901–1917

Nikolay Sarkisyan, Revolutionary Russia 2025 Vol. 38 No. 1 P. 1–23

This article examines the emergence and evolution of revolutionary museology in Imperial Russia between 1901 and 1917, addressing a previously understudied aspect of revolutionary culture. By analysing four successive attempts to establish revolutionary museums – the Russian Museum in Geneva (1901–1902), Maxim Gorky’s initiative on Capri (1912–1913), Vladimir Burtsev’s various projects, and the Petrograd House ...

Added: October 14, 2026

On Calculation of Robustness and Stability of Formal Concepts Based on Delta Measure

Parkhomenko V., Kulikova S., Buzmakov A. V., Lobachevskii Journal of Mathematics 2026 Vol. 47 No. 6 P. 2979–2992

The stability of formal concepts and its generalization as robustness are considered in the paper. We use an approximation of stability in the form of Δ-measure for fast calculations. A computationally efficient method for calculating robustness based on subcontexts is presented. We also present a new method to analytically evaluate the number of preimages for ...

Added: October 14, 2026

Shrimps as a fundamental object of nonlinear dynamics. Overview, properties and quasi-periodic generalization

Kuznetsov A. P., Sedova Y. V., Sataev I. R. et al., Mathematics and Computers in Simulation 2027 Vol. 2 P. 574–592

Universal bifurcation structures on the parameter plane of nonlinear systems, known as shrimps, are discussed. An overview of numerous examples from various fields of science is given. Shrimps are typical for both maps of different dimensions and flows. The varieties of shrimp are discussed and relevant examples are given. The similarity property on the parameter ...

Added: October 14, 2026

Poincaré series of valuations on functions over a subfield of complex numbers

Gusein-Zade S., Campillo A., Delgado F., Mathematische Zeitschrift 2026 Vol. 314 No. 1 P. 1–22

For a subfield $\K$ of the field $\C$ of complex numbers, we consider curve and divisorial valuations on the algebra $\K[[x,y]]$ of formal power series in two variables with the coefficients in $\K$. We compute the semigroup Poincar\'e series and the classical Poincar\'e series of a (discrete, rank one) valuation on it. ...

Added: October 13, 2026

Вьетнамские исследования

ИДВ РАН, 2026.

This paper addresses the issue perceiving the national Vietnamese costume as a tool of cultural representation in the context of official state events held in Vietnam and abroad. The study focuses on specific cases of protocol visits, meetings, forums, and beauty contests, where the ao dai and other types and elements of national clothing are ...

Added: October 12, 2026

«Хозяйствующий субъект» в монастырской экономике XVII века

Dadykina M., Известия Российской академии образования 2026 Т. 2 № 74 С. 50–65

In modern economic law, the concept of "business entity" refers to an individual or legal entity (or association) en- gaged in economic activity for profit. Since the concept of a legal entity in Russia only fully developed in the late 18th century, the use of this term in the context of the Russian economy of ...

Added: October 12, 2026

Wave scattering by a sloping beach of an arbitrary angle. Revisited: regular solution

Mishuris G., Meylan M. H., Pelinovsky E., Journal of Fluid Mechanics 2026 Vol. 1045 Article A4

In this paper, we revisit the classic problem of a wave field on a sloping beach of an arbitrary angle and propose a general approach that allows the computation of regular solutions of the problem regardless of the angle. We use the Mellin-transform technique, reducing the problem to singular integral equations with fixed-point singularities of ...

Added: October 12, 2026

Дифференциальная геометрия и топология. Курс лекций

Gusein-Zade S., М.: МЦНМО, 2026.

Книга содержит курс лекций по дифференциальной геометрии и топологии, читавшихся автором на механико-математическом факультете МГУ в разные годы. В дополнениях приводятся некоторые сюжеты (связности в расслоениях, теорема Фробениуса, производные Ли и др.), которые были включены в курс в отдельные годы либо содержались в аналогичных курсах лекций в Независимом московском университете. Для студентов математических и физических специальностей. ...

Added: October 12, 2026

Особенности самоориентализма в политических языках В. В. Кожинова и Э. В. Лимонова в 1990-е годы

Kanaev A. A., Вестник Пермского университета. Серия: История 2026 № 3(74) С. 159–168

The current article is dedicated to the specifics of how the image of the “East” correlated with Russian national identity in the political languages of Russian nationalists in the 1990s. The focus is on situations in which certain positive features of the imaginary “East,” as opposed to the “West,” were associated with the Russian nation. ...

Added: October 10, 2026

О воспроизводимости анализа временных рядов на основе матричных профилей

Брычков М. Е., Незнанов А.А., Программирование 2026 № 4 С. 50–66

The matrix profile (MP) quickly became one of the most important time series preprocessing methods when it was introduced in 2016, facilitating the solution of a wide range of time series analysis problems, in particular anomaly and pattern detection problems. The high significance has led to the emergence of various tools for MP calculating, but ...

Added: October 9, 2026

Теория вероятностей и математическая статистика. Олимпиадные задачи

М.: Юрайт, 2026.

The Collection of Olympiad Problems (COP) in Probability Theory and Mathematical Statistics (PTMS) is offered as a teaching aid primarily for university students and faculty as a developmental supplementary resource, expanding the range of problems to be solved in lectures, seminars, and out-of-class independent work with students in various formats, including (as the title suggests) ...

Added: October 9, 2026

FROM THE HISTORY OF LXX AND QUMRAN STUDIES: THE BIRTH, DEATH, AND POSTHUMOUS EXISTENCE OF AN ALLEGED DEUT 32:8 FRAGMENT OF 4QDEUTQ

Seleznev M., Vestnik Drevnei Istorii 2026 Vol. 3 No. 86 P. 589–592

The article reconstructs the 'biography' of an alleged (in fact, non-existent) fragment of 4QDeutq said to contain a non-Masoretic reading of Deut 32 : 8. It traces how erroneous references to the fragment emerged during the preliminary publication of the Scrolls in the 1950s, the scholarly attention this fragment received, its eventual disappearance from Qumran studies after the official ...

Added: October 9, 2026

Человеко-машинная система анализа и улучшения качества условий проживания населения

Aleskerov F. T., Вайншток А. П., Делахова А. М. et al., Информационные процессы 2026 Т. 26 № 3 С. 895–913

The development and effective management of territorial entities are priority issues for all states, particularly in the context of the digital transformation of public administration. Over the past decade, the integration of information technologies into municipal and regional planning has significantly altered approaches to strategic development, service delivery, and public engagement. This paper describes the ...

Added: October 9, 2026

Церемониймейстер, счетовод или тайный агент? Институт мушрифа и его эволюция в странах Ближнего и Среднего Востока

Абзалов Л. Ф., Гатин М., Мустакимов И. А. et al., Материалы по археологии и истории античного и средневекового Причерноморья 2026 № 22 С. 395–406

The article is devoted to the analysis of the office of mushrif in the states of traditional Orient. The sources and researches characterize this institution in different ways. One authors consider mushrif as a representative of a treasure office, others states that he was a kind of ‘undercover agent” who fulfilled ruler’s secret orders in ...

Added: October 8, 2026

Очерк истории топологического образования в Нижнем Новгороде

Polotovskiy G., В кн.: Математика в современном мире: Материалы II Всероссийской конференции, посвящённой 100-летию со дня рождения видного российского математика Д.А. Граве.: Вологда: Вологодский государственный университет, 2023. С. 107–108.

The history of the development of topological education in Nizhny Novgorod is described - from the first lecture on topology for schoolchildren, given in 1939, to the present. ...

Added: September 30, 2023

Очерк истории топологического образования в Нижнем Новгороде

Polotovskiy G., Чебышевский сборник 2021 Т. 22 № 1 С. 447–459

The history of the development of topological education in Nizhny Novgorod is described — from the first lecture on topology for schoolchildren, given in 1939 by Professor A.G. Mayer, to the present. The need for knowledge of topology for further research was first understood in Nizhny Novgorod by representatives of the school of academician A.A. Andronov on the theory ...

Added: August 30, 2021

V. A. Rokhlin and D. A. Gudkov Against the Background of Hilbert’s 16th Problem (According to Their Correspondence in 1971–1982).

Polotovskiy G., Journal of Mathematical Sciences 2021 Vol. 255 No. 2 P. 209–215

The story of the friendship and collaboration between Vladimir Abramovich Rokhlin and the Nizhny Novgorod mathematician Dmitry Andreevich Gudkov during the last period of Rokhlin’s mathematical biography, when he worked in the topology of real algebraic varieties, in which he obtained remarkable results. The paper is based on the correspondence of 1971–1982 preserved in Gudkov’s ...

Added: August 30, 2021

V. A. Rokhlin and D. A. Gudkov Against the Background of Hilbert’s 16th Problem (According to Their Correspondence in 1971–1982)

Polotovskiy G., Journal of Mathematical Sciences 2021 Vol. 255 No. 2 P. 209–215

Added: April 20, 2021

В.А. Рохлин и Д.А. Гудков на фоне 16-й проблемы Гильберта (по их переписке 1971 – 1982 гг.)

Polotovskiy G., Записки научных семинаров ПОМИ РАН 2020 Т. 498 С. 157–167

The story of the friendship and cooperation between Vladimir Abramovich Rokhlin and the Nizhny Novgorod mathematician Dmitry Andreevich Gudkov during the last period of Rokhlin’s mathematical biography, when he worked in the topology of real algebraic varieties, in which he received remarkable results. The paper is based on the correspondence of 1971–1982 preserved in Gudkov’s archive ...

Added: December 18, 2020