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	Forthcoming seminars

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Seminar calendar

	April 1, 2026 (Wed)
1.	A new proof of the Milnor – Wood theorem, and beyond Panina Gaiane April 1, 2026 10:30, Online, Zoom
Introduction to Integrable Systems, Moscow, February 4–May 27, 2026
2.	Lecture 8. Introduction to Integrable Systems A. V. Zotov April 1, 2026 11:30, Moscow, Steklov Mathematical Institute, Room 430 (8 Gubkina)
Seminar of the Department of Theoretical Physics, Steklov Mathematical Institute of RAS, Moscow
	April 1, 2026 (Wed)
3.	Quantum Field Theory in Non-Invariant States D. I. Sadekov April 1, 2026 14:00, Moscow, Steklov Mathematical Institute of RAS, Room 313 (8 Gubkina)
Seminar of the LHEP (MIPT) theory group, Dolgoprudny
	April 1, 2026 (Wed)
4.	SNIa in Standard and Conformal Cosmologies V. A. Shmidt April 1, 2026 15:00, Dolgoprudny, MIPT, Laboratory building, room 403
, February 11, 2025–May 27, 2026
5.	PSpace-разрешимость модальных логик древовидных шкал L. V. Dvorkin April 1, 2026 16:00, Steklov Mathematical Institute, Room 303 (8 Gubkina)
, February 11–May 27, 2026
	April 1, 2026 (Wed)
6.	Лекция 7. Вариационные методы классической механики S. V. Bolotin April 1, 2026 16:00, Steklov Mathematical Institute, Room 110 (8 Gubkina)
Quantum computation, Moscow, February 11–May 27, 2026
	April 1, 2026 (Wed)
7.	Lecture 8. Methods for performing computations on quantum systems V. I. Yashin April 1, 2026 16:25, Moscow, Steklov Mathematical Institute, Room 104 (8 Gubkina)
, February 11–May 27, 2026
	April 1, 2026 (Wed)
8.	Seminar 8. Methods of classical and quantum integrable systems A. V. Zotov, M. G. Matushko, R. A. Potapov April 1, 2026 16:30, Steklov Mathematical Institute, Room 430 (8 Gubkina)
Workshop on the discrete geometry and the geometry of numbers, Moscow
	April 1, 2026 (Wed)
9.	Близкие правильногранным тела на пути от правильногранников к (равнорёберным) паркетогранникам A. V. Timofeenko April 1, 2026 16:45, Moscow
Seminar "Complex analysis in several variables" (Vitushkin Seminar), Moscow
	April 1, 2026 (Wed)
10.	Boundedness of finite subgroups of Cremona group of rank 3 over the field of rational numbers A. V. Zaitsev April 1, 2026 16:45, Moscow, Moscow State University, Room 12-06
Mathematical Foundations of Artificial Intelligence, Moscow
	April 1, 2026 (Wed)
11.	Ускорение $XX^T$ и машинное обучение для математики D. A. Rybin April 1, 2026 17:00, Moscow, Steklov Mathematical Institute + Kontur Talk
Functional Analysis and Quantum Systems, Kazan'
12.	Calculating integrals of operator-valued functions using symmetries R. N. Gumerov April 1, 2026 17:30, Kazan', Kremlevskaya 35
	April 1, 2026 (Wed)
13.	Задачи о частотно-временных ограничениях и алгебраические операторы Гойна A. S. Zhedanov April 1, 2026 17:30
Seminar on nonlinear problems of partial differential equations and mathematical physics, Moscow
	April 1, 2026 (Wed)
14.	Mathematical and Computational Aspects of Iterative Chebyshev Schemes for Time Integration of Parabolic Equations. V. T. Zhukov April 1, 2026 18:00, Moscow, online
Seminar by V. V. Kozlov, S. V. Kozyrev, A. S. Trushechkin and I. V. Volovich "Quantum mathematical physics", Moscow, February 10, 2021–May 27, 2026
	April 1, 2026 (Wed)
15.	Seminar 158. Quantum mathematical physics I. V. Volovich, V. V. Kozlov, S. V. Kozyrev, A. S. Trushechkin April 1, 2026 18:00, Moscow, Steklov Mathematical Institute, Room 430 (8 Gubkina)
, September 17, 2025–May 27, 2026
16.	Семинар 18. Проблема рациональности в алгебраической геометрии D. O. Orlov, Yu. G. Prokhorov, C. A. Shramov April 1, 2026 18:00, Steklov Mathematical Institute, Room 104 (8 Gubkina)
, February 11–May 27, 2026
17.	Лекция 8. Теория вычислимости и лямбда-исчисление S. L. Kuznetsov, S. O. Speranski April 1, 2026 18:00, Steklov Mathematical Institute, Room 303 (8 Gubkina)
Seminar of the Laboratory on Algebraic Transformation Groups HSE University, Moscow
	April 1, 2026 (Wed)
18.	When the automorphism group of a projective variety is linear algebraic? D. A. Timashev April 1, 2026 18:00, Moscow, Pokrovsky b-d 11, M202
, February 11–May 27, 2026
	April 1, 2026 (Wed)
19.	Lecture 6. Random measures A. I. Bufetov, S. M. Gorbunov April 1, 2026 18:15, Steklov Mathematical Institute, Room 313 (8 Gubkina)
Algebraic topology and its applications. Postnikov memorial seminar, Moscow
	April 1, 2026 (Wed)
	Lomonosov Papers
20.	О зацеплениях, отвечающих гамильтоновым циклам, гамильтоновым тэта-подграфам и гамильтоновым K_4-подграфам в 1-остовах трёхмерных простых многогранников N. Yu. Erokhovets April 1, 2026 18:30, Moscow, Moscow State University, room 14-14, Wednesday, 18:30–20:05
Modern geometry methods, Moscow
21.	Об исследовании свойств решений некоторых нелинейных дифференциальных уравнений топологическими методами I. V. Astasheva April 1, 2026 18:30, Moscow
Graphs on surfaces and curves over number fields, Moscow
22.	О рисунках со спорадическими группами вращения ребер Egor Gavrilenko April 1, 2026 18:30, Moscow, on-line
, February 11–May 27, 2026
	April 1, 2026 (Wed)
23.	Лекция 8. Конечнозонный подход в теории интегрируемых систем P. G. Grinevich April 1, 2026 18:40, Steklov Mathematical Institute, Room 530 (8 Gubkina)
Functional analysis and its applications
	April 2, 2026 (Thu)
24.	Gradient Gibbs measures for some models on trees. Ilyasova Risolat Akmal qizi April 2, 2026 10:30
Seminar of the Department of Mathematical Physics, Steklov Mathematical Institute of RAS, Moscow
	April 2, 2026 (Thu)
25.	Исследование вольтерровых интегро-дифференциальных уравнений методами спектрального анализа и теории полугрупп операторов N. A. Rautian April 2, 2026 11:00, Moscow, Steklov Mathematical Institute of RAS, Room 430 (8 Gubkina)
Seminar on Modern Problems of Complex Analysis (Sadullaev Seminar), Tashkent
	April 2, 2026 (Thu)
26.	$\alpha$-subharmonic measure and its properties D. S. Salaeva April 2, 2026 12:00, Tashkent, National University of Uzbekistan, Room A304 (Department of Mathematics) + Zoom
Contemporary Problems in Number Theory, Moscow
27.	О $E$-функциях–решениях одного класса дифференциально-разностных уравнений A. Ya. Yanchenko April 2, 2026 12:30, Moscow, Steklov Mathematical Institute, Room 530 (8 Gubkina)
Seminar on Quantum Optics and Related Topics (QOART Seminar), Moscow
	April 2, 2026 (Thu)
28.	Quantum dynamics of atomic systems under external drive L. A. Mazhorina April 2, 2026 15:00, Moscow, online
Seminar by I. G. Lysenok and A. L. Talambutsa "Seminar on geometric group theory", February 11, 2021–May 28, 2026
29.	Seminar 127. Geometric group theory I. G. Lysenok, A. L. Talambutsa April 2, 2026 16:00, Steklov Mathematical Institute, Room 430 (8 Gubkina)
Noncommutative geometry and topology, Moscow
	April 2, 2026 (Thu)
30.	Характеризация банаховых пространств со свойством аппроксимации Хелли G. Ivanov April 2, 2026 16:45, Moscow, Lomonosov Moscow State Univ, Main Building, Faculty of Mechanics and Mathematics, auditorium 1604
Actual Problems of Applied Mathematics, Novosibirsk
31.	Investigation of Physical Mechanisms of Laser-Induced Boiling in Subcooled Liquids via Mathematical Modeling R. V. Fursenko April 2, 2026 17:00, Novosibirsk
Iskovskikh Seminar, Moscow
	April 2, 2026 (Thu)
32.	Lagrangianity of the Arithmetic and Singular Support of a Holonomic $\mathcal{D}$-Module T. C. Fedorov April 2, 2026 18:00, Moscow, Steklov Mathematical Institute, room 530
Seminar on the History of Mathematics, St. Peterburg
	April 2, 2026 (Thu)
33.	On the topological branch оf A. Andronov school of nonlinear oscillations O. V. Pochinka April 2, 2026 18:00, St. Peterburg, online
Seminar by A. I. Bufetov, A. V. Dymov, A. V. Klimenko, M. Mariani and G. I. Olshanskii “Representations and Probability”, Moscow, January 20, 2020–May 28, 2026
	April 2, 2026 (Thu)
34.	Seminar 170. Continuous sine-kernel G. I. Olshanski April 2, 2026 18:10, Moscow, online
Seminar on mathematical physics, Moscow
35.	Интегрируемые модели вековой эволюции движения в задаче трех тел V. V. Sidorenko April 2, 2026 18:30, Moscow, MSU, room 16.03
Seminar on mathematical modeling in biology and medicine, It is online (MS TEAMS) now Moscow, Ordzhonikidze st., build. 3 (Peoples Friendship University of Russia, Faculty of Physics, Mathematics and Natural Sciences)
	April 3, 2026 (Fri)
36.	Mathematical modelling of inflammation and inflammatory diseases V. A. Vol'pert April 3, 2026 10:00, It is online (MS TEAMS) now Moscow, Ordzhonikidze st., build. 3 (Peoples Friendship University of Russia, Faculty of Physics, Mathematics and Natural Sciences)
Sino-Russian Student Mathematical Seminar
37.	Traveling waves in semilinear parabolic equations with applications to voting models and population dynamics Kirill Dekhnich April 3, 2026 10:30
38.	From particle systems to the Landau equation Xuanrui Feng April 3, 2026 12:00
	April 3, 2026 (Fri)
39.	Fredholm Determinants A. I. Bufetov April 3, 2026 13:55, Orientation seminar of the Higher School of Mathematics, Moscow Institute of Physics and Technology
Algebras in Analysis, Moscow
	April 3, 2026 (Fri)
40.	Algebraic topology for $C^*$-algebras II. Covering spaces, cobordism, Chern character, and Connes quantization P. R. Ivankov April 3, 2026 17:00, Moscow, online via Zoom
Arithmetic geometry seminar, Moscow
41.	Modular curves as moduli spaces and Eichler-Shimura correspondence A. A. Vasilkov April 3, 2026 18:00, Moscow, Steklov Mathematical Institute, Room 303 (8 Gubkina)
, February 20–May 29, 2026
	April 3, 2026 (Fri)
42.	Лекция 7. Метод рекурсий: непертурбативный подход к квантовой многочастичной динамике O. V. Lychkovskiy, A. E. Teretenkov, N. B. Ilin, I. E. Shirokov April 3, 2026 18:00, Steklov Mathematical Institute, Room 430 (8 Gubkina)
, February 13–May 29, 2026
43.	Лекция 7. Пространства Тайхмюллера G. B. Shabat April 3, 2026 18:00, Steklov Mathematical Institute, Room 530 (8 Gubkina)
Seminar on Probability Theory and Mathematical Statistics, St. Petersburg
	April 3, 2026 (Fri)
44.	Многоточечное штрафование симметричного процесса Леви T. Abildaev April 3, 2026 18:00, St. Petersburg, PDMI, room 311 (nab. r. Fontanki, 27)
Seminar on Theory of Functions of Real Variables, Moscow
45.	О проблеме эквивалентности двух законов теории турбулентности Колмогорова S. B. Kuksin April 3, 2026 18:30, Moscow, MSU main building, room 16-10, Zoom
Student Research Seminar on Probability and Geometry, St. Petersburg
	April 4, 2026 (Sat)
46.	Энтропийный анализ распределений устойчивых процессов Леви V. O. Khamzin April 4, 2026 13:40, St. Petersburg, St. Petersburg Department of Steklov Mathematical Institute of Russian Academy of Sciences
47.	Редукция гомологий Хованова-Рожанского для бипартитных узлов Степанов Радомир April 4, 2026 17:05
Functional integrals and applications in quantum theory and statistical mechanics, Moscow, February 2–May 25, 2026
	April 6, 2026 (Mon)
48.	Lecture 9. Functional integrals and applications in quantum theory and statistical mechanics I V. Zh. Sakbaev April 6, 2026 10:00, Moscow, online
Seminar by I. Ya. Aref'eva "Perspective directions in quantum field theory and superstrings", Moscow, February 3, 2020–May 25, 2026
	April 6, 2026 (Mon)
49.	Seminar 162. Perspective directions in quantum field theory and superstrings I. Ya. Aref'eva April 6, 2026 15:00, Moscow, Steklov Mathematical Institute, Room 303 (8 Gubkina)
Seminars "Proof Theory" and "Logic Online Seminar", Moscow
	April 6, 2026 (Mon)
50.	Infinitary action logic with contraction S. L. Kuznetsov, T. G. Pshenitsyn April 6, 2026 16:00, Moscow, Steklov Mathematical Institute (8 Gubkina), room 313 + online
Seminar on Quantum Probability, Statistics, Information, Moscow
	April 6, 2026 (Mon)
51.	О минимуме энтропии Верля E. I. Zelenov April 6, 2026 16:20, Moscow, online
V. I. Smirnov Seminar on Mathematical Physics, St. Petersburg
52.	Quantization conditions for a bundle over a circle and semiclassical spectral series of a one-dimensional Schrödinger operator with a jump potential. A. I. Shafarevich April 6, 2026 16:30, St. Petersburg, zoom online-conference
Differential geometry and applications, Moscow
	April 6, 2026 (Mon)
53.	From a polyhedron to its unfolding and back N. P. Dolbilin April 6, 2026 16:45, Moscow
Seminar on Complex Analysis (Gonchar Seminar), Moscow
54.	The existence of a compact set of minimal capacity in Stahl's general Theorem A. V. Komlov April 6, 2026 17:00, Moscow, Steklov Institute, room 110
Seminar on Operator Theory and Function Theory, St. Petersburg
55.	Резонансы одномерного оператора Шредингера P. V. Gubkin April 6, 2026 17:30, St. Petersburg, PDMI, room 311 (nab. r. Fontanki, 27)
Seminar `Low-dimensional topology', September 11, 2023–May 25, 2026
56.	О распознавании четырехмерных многообразий I. A. Dynnikov April 6, 2026 18:00, Steklov Mathematical Institute, Room 530 (8 Gubkina)
, February 9–May 25, 2026
	April 6, 2026 (Mon)
57.	Лекция 6. Метод функционального интеграла в квантовой гравитации в режиме низких энергий M. A. Khramtsov April 6, 2026 18:00, Steklov Mathematical Institute, Room 303 (8 Gubkina)
Course by D. V. Pirozhkov "Stable bundles on curves and Narasimhan–Seshadri theorem", Moscow, February 9–May 25, 2026
58.	Lecture 7. Stable bundles on curves and Narasimhan–Seshadri theorem D. V. Pirozhkov April 6, 2026 18:00, Moscow, Steklov Mathematical Institute, Room 430 (8 Gubkina)
Differential equations, analysis and control: theory and applications, Moscow
	April 6, 2026 (Mon)
59.	Феномен четтеринга на финслеровых многообразиях с полиэдральной нормой M. I. Zelikin, L. V. Lokutsievskiy April 6, 2026 18:25, Moscow, Lomonosov Moscow State University, online
Knots and Representation Theory, Moscow
60.	On the construction of foldings of branched covers along knots Kim Byeorhi April 6, 2026 18:30, Moscow, Online: Meeting ID: 818 6674 5751 Passcode: 141592
Seminar of the Mathematical Physics Department of the Institute of Applied Mathematics and Mechanics, Donetsk
61.	Операторный подход к проблеме малых движений и нормальных колебаний маятника с полостью, частично заполненной тяжёлой вязкой жидкостью. Часть 3. D. O. Tsvetkov, V. I. Voytitskii April 6, 2026 19:00, Donetsk, online
Mathematical foundations of quantum information science, September 16, 2025–May 26, 2026
	April 7, 2026 (Tue)
62.	Lecture 21. Coding theorem for noisy classical-quantum channel. Weak converse A. S. Holevo April 7, 2026 10:00, online
Classical and Quantum Stochastic Processes, September 9, 2025–May 26, 2026
63.	Lecture 24. Classical and Quantum Stochastic Processes II G. G. Amosov April 7, 2026 11:30, online
Scientific seminar on the differential and functional differential equations, Moscow
64.	Операторы Адамара — Бергмана в весовых пространствах типа Лебега и Бергмана E. Morales April 7, 2026 12:00, Moscow, Nikol'skii Mathematical Institute of Peoples' Friendship University of Russia, Moscow, Russia
Shafarevich Seminar, Moscow
	April 7, 2026 (Tue)
65.	О двойственном комплексе антиканонических дивизоров на многообразиях Фано K. V. Loginov April 7, 2026 15:00, Moscow, Steklov Mathematical Institute, Room 104 (8 Gubkina) + online
, February 10–May 26, 2026
66.	Lecture 8. Introduction to geometric group theory III I. G. Lysenok April 7, 2026 16:00, Steklov Mathematical Institute, Room 530 (8 Gubkina)
Seminar by Department of Discrete Mathematic, Steklov Mathematical Institute of RAS, Moscow
67.	Limit theorems for moment of the maximum of random walk reaching fixed level M. A. Anokhina April 7, 2026 16:00, Moscow, Steklov Mathematical Institute, Room 313 (8 Gubkina) + online
Course by A. V. Fonarev "Algebraic geometry I 2/2", February 10–May 26, 2026
68.	Lecture 8. Algebraic geometry I 2/2 A. V. Fonarev April 7, 2026 18:00, Steklov Mathematical Institute, Room 530 (8 Gubkina)
Seminar on Sub-Riemannian Geometry, September 16, 2025–May 26, 2026
69.	Seminar 23. Sub-Riemannian Geometry L. V. Lokutsievskiy April 7, 2026 18:00, Steklov Mathematical Institute, Room 303 (8 Gubkina)
Seminar by G. G. Amosov and A. V. Utkin "Current Problems in the Theory of One-Parameter Semigroups", September 16, 2025–May 26, 2026
70.	Seminar 22. Current Problems in the Theory of One-Parameter Semigroups G. G. Amosov, A. V. Utkin April 7, 2026 18:00, Steklov Mathematical Institute, Room 430 (8 Gubkina)
	April 7, 2026 (Tue)
71.	Оценка наименьшего положительного нуля косинус-ряда гармонической в круге функции S. V. Bavin April 7, 2026 18:00Lomonosov Moscow State University, Faculty of Computational Mathematics and Cybernetics, room 637
Seminar of the Department of Geometry and Topology of the Steklov Mathematical Institute, RAS, and the Department of Geometry and Topology of the Faculty of Mechanics and Mathematics, MSU "Geometry, Topology and Mathematical Physics" (Novikov Seminar), Moscow
	April 7, 2026 (Tue)
72.	Континуум недиффеоморфных гладких структур на $\mathbb{R}^4$ T. B. Shirinkin April 7, 2026 18:30, Moscow, Lomonosov Moscow State University, Steklov Mathematical Institute of RAS
	April 7, 2026 (Tue)
73.	Неравенство Лоренца о коэффициентах Фурье функции класса Липшица N. Yu. Vasinkov April 7, 2026 18:30Lomonosov Moscow State University, Faculty of Computational Mathematics and Cybernetics, room 637
Seminar on nonlinear problems of partial differential equations and mathematical physics, Moscow
74.	A Study of Volterra Integro-Differential Equations Arising in Viscoelasticity Theory (continuation of the March 17 talk) N. A. Rautian April 7, 2026 19:00, Moscow, online
75.	Исследование абсолютной сходимости ряда Фурье на примере одной функции A. V. Serikov April 7, 2026 19:00Lomonosov Moscow State University, Faculty of Computational Mathematics and Cybernetics, room 637
	April 8, 2026 (Wed)
76.	Kuperberg-type invariants of maps from 3-manifolds to homotopy 2-types Sozer Kursat April 8, 2026 10:30, Online: Meeting ID: 818 6674 5751 Passcode: 141592
Introduction to Integrable Systems, Moscow, February 4–May 27, 2026
77.	Lecture 9. Introduction to Integrable Systems A. V. Zotov April 8, 2026 11:30, Moscow, Steklov Mathematical Institute, Room 430 (8 Gubkina)
Seminar of the Department of Theoretical Physics, Steklov Mathematical Institute of RAS, Moscow
	April 8, 2026 (Wed)
78.	Tau function description of Harry Dym hierarchy V. V. Prokofev April 8, 2026 14:00, Moscow, Steklov Mathematical Institute of RAS, Room 313 (8 Gubkina)
Foundations of the theory of open quantum systems, September 3, 2025–May 27, 2026
	April 8, 2026 (Wed)
79.	Lecture 23. Foundations of the theory of open quantum systems II A. E. Teretenkov April 8, 2026 14:45, Steklov Mathematical Institute, Room 430 (8 Gubkina)
Seminar of the LHEP (MIPT) theory group, Dolgoprudny
80.	Split Casimir operator, Vogel parameters, and color factors in gauge theories A. A. Provorov April 8, 2026 15:30, Dolgoprudny, MIPT, Laboratory building, room 403
Seminar on Theory of Functions of Several Real Variables and Its Applications to Problems of Mathematical Physics, Moscow
	April 8, 2026 (Wed)
81.	О гладкости в теореме Сарда I. G. Petrov April 8, 2026 16:00, Moscow, Steklov Mathematical Institute, Room 313 (8 Gubkina)
, February 11–May 27, 2026
82.	Лекция 8. Вариационные методы классической механики S. V. Bolotin April 8, 2026 16:00, Steklov Mathematical Institute, Room 110 (8 Gubkina)
, February 11, 2025–May 27, 2026
	April 8, 2026 (Wed)
83.	PSpace-разрешимость модальных логик древовидных шкал – 2 L. V. Dvorkin April 8, 2026 16:00, Steklov Mathematical Institute, Room 303 (8 Gubkina)
Quantum computation, Moscow, February 11–May 27, 2026
84.	Lecture 9. Classical simulation of quantum circuits V. I. Yashin April 8, 2026 16:25, Moscow, Steklov Mathematical Institute, Room 104 (8 Gubkina)
, February 11–May 27, 2026
	April 8, 2026 (Wed)
85.	Seminar 9. Methods of classical and quantum integrable systems A. V. Zotov, M. G. Matushko, R. A. Potapov April 8, 2026 16:30, Steklov Mathematical Institute, Room 430 (8 Gubkina)
Principle Seminar of the Department of Probability Theory, Moscow State University, Moscow
86.	On ruin probabilities with investments in a risky asset V. A. Antipov April 8, 2026 16:45, Moscow, MSU, auditorium 12-24
Workshop on the discrete geometry and the geometry of numbers, Moscow
	April 8, 2026 (Wed)
87.	Числа Фибоначчи для оценки базисов рекуррентных последовательностей F. M. Malyshev April 8, 2026 16:45, Moscow
	April 8, 2026 (Wed)
88.	От анализа изображений к визуальному микрофону: как услышать звук глазами камеры A. N. Spiridonov, M. A. Beskonchin April 8, 2026 17:30
Seminar of the LHEP (MIPT) theory group, Dolgoprudny
	April 8, 2026 (Wed)
89.	Stability and speed tests on Scalar–Vector–Tensor theories Mauricio Valencia Villegas April 8, 2026 18:00, Dolgoprudny, MIPT, Laboratory building, room 403
Seminar of the Laboratory on Algebraic Transformation Groups HSE University, Moscow
90.	Error-correcting codes from toric varieties T. E. Ravnushkin April 8, 2026 18:00, Moscow, Pokrovsky b-d 11, D109
Seminar by V. V. Kozlov, S. V. Kozyrev, A. S. Trushechkin and I. V. Volovich "Quantum mathematical physics", Moscow, February 10, 2021–May 27, 2026
	April 8, 2026 (Wed)
91.	Seminar 159. Quantum mathematical physics I. V. Volovich, V. V. Kozlov, S. V. Kozyrev, A. S. Trushechkin April 8, 2026 18:00, Moscow, Steklov Mathematical Institute, Room 430 (8 Gubkina)
, February 11–May 27, 2026
92.	Лекция 9. Теория вычислимости и лямбда-исчисление S. L. Kuznetsov, S. O. Speranski April 8, 2026 18:00, Steklov Mathematical Institute, Room 303 (8 Gubkina)
, February 11–May 27, 2026
93.	Lecture 7. Random measures A. I. Bufetov, S. M. Gorbunov April 8, 2026 18:15, Steklov Mathematical Institute, Room 313 (8 Gubkina)
Modern geometry methods, Moscow
	April 8, 2026 (Wed)
94.	Вокруг матрицы Лапласа: алгебраические характеристики и приложения M. A. Tuzhilin April 8, 2026 18:30, Moscow
Graphs on surfaces and curves over number fields, Moscow
95.	Twice Gaussian Shtrebel pairs G. B. Shabat April 8, 2026 18:30, Moscow, on-line
96.	On one class of plane trees Oleg Belous April 8, 2026 19:15, Moscow, on-line
Cohomological geometry of differential equations, Moscow
97.	On globally invariant Euler-Lagrange equations for curves Wijnand Steneker April 8, 2026 19:20, Moscow, online, for the access link please contact seminar@gdeq.org
Functional analysis and its applications
	April 9, 2026 (Thu)
	Discussion of PhD dissertation
98.	Восстановление поверхностей с вершинами Tillayev Donyorbek Rustambek ogli April 9, 2026 10:30
Seminar on Modern Problems of Complex Analysis (Sadullaev Seminar), Tashkent
99.	The stability and asymptotic behavior of random compositions of positive linear operators O. R. Jalilov April 9, 2026 12:00, Tashkent, National University of Uzbekistan, Room A304 (Department of Mathematics) + Zoom
Seminar "Optimal Control and Dynamical Systems", Moscow
100.	Гипотеза Рамсея как принцип отбора по Фишеру и ее обобщения G. S. Parastaev April 9, 2026 13:00, Moscow, Steklov Mathematical Institute of RAS, Room 430 (8 Gubkina)
Seminar by I. G. Lysenok and A. L. Talambutsa "Seminar on geometric group theory", February 11, 2021–May 28, 2026
	April 9, 2026 (Thu)
101.	Seminar 128. Geometric group theory I. G. Lysenok, A. L. Talambutsa April 9, 2026 16:00, Steklov Mathematical Institute, Room 430 (8 Gubkina)
	April 9, 2026 (Thu)
102.	Операторный подход к проблеме малых движений и нормальных колебаний маятника с полостью, частично заполненной тяжёлой вязкой жидкостью V. I. Voytitsky April 9, 2026 16:30
Some applications of mathematical methods in linguistics, Moscow
103.	Семантика числа в вопросах и ответах A. V. Podobryaev April 9, 2026 18:00, Moscow
Iskovskikh Seminar, Moscow
	April 9, 2026 (Thu)
104.	О регуляризуемости бирациональных автоморфизмов многообразий высших размерностей A. S. Golota April 9, 2026 18:00, Moscow, Steklov Mathematical Institute, room 530
Seminar on Analysis, Differential Equations and Mathematical Physics, Rostov-on-Don
	April 9, 2026 (Thu)
105.	Riccati equations in the differential geometry of curves H. C. Rosu April 9, 2026 18:00, Rostov-on-Don, online
Seminar by A. I. Bufetov, A. V. Dymov, A. V. Klimenko, M. Mariani and G. I. Olshanskii “Representations and Probability”, Moscow, January 20, 2020–May 28, 2026
	April 9, 2026 (Thu)
106.	Seminar 171. Correlation measures G. I. Olshanski April 9, 2026 18:10, Moscow, online
Seminar on mathematical physics, Moscow
107.	Диаграммы Фейнмана и многочастичные амплитуды D. G. Levkov April 9, 2026 18:30, Moscow, MSU, room 16.03
Seminar "Optimal Control and Dynamical Systems", Moscow
	April 10, 2026 (Fri)
108.	Задача Н.Н.Красовского об успокоении нестационарной системы управления с последействием нейтрального типа A. L. Skubachevskii April 10, 2026 13:00, Moscow, Steklov Mathematical Institute of RAS, Room 430 (8 Gubkina)
Applied statistics, Novosibirsk
109.	О предельном поведении Хи-квадрат статистик M. Zh. Jetpisbaev, I. S. Borisov April 10, 2026 13:00, Novosibirsk, online Zoom
Mathematical seminar Faculty of Computer Science HSE
110.	Математический блиц IV April 10, 2026 16:00
Algebras in Analysis, Moscow
111.	Homological framework of noncommutative complex analytic geometry and functional calculus A. A. Dosi April 10, 2026 17:00, Moscow, online via Zoom
Seminar on Probability Theory and Mathematical Statistics, St. Petersburg
112.	Стохастический рост разбиений, связанный с обобщенной мерой Ювенса Yu. V. Yakubovich April 10, 2026 18:00, St. Petersburg, PDMI, room 311 (nab. r. Fontanki, 27)
, February 20–May 29, 2026
	April 10, 2026 (Fri)
113.	Лекция 8. Метод рекурсий: непертурбативный подход к квантовой многочастичной динамике O. V. Lychkovskiy, A. E. Teretenkov, N. B. Ilin, I. E. Shirokov April 10, 2026 18:00, Steklov Mathematical Institute, Room 430 (8 Gubkina)
, February 13–May 29, 2026
114.	Лекция 8. Пространства Тайхмюллера G. B. Shabat April 10, 2026 18:00, Steklov Mathematical Institute, Room 530 (8 Gubkina)
Arithmetic geometry seminar, Moscow
	April 10, 2026 (Fri)
115.	Modular forms of weight $2$ abd Galois representations E. V. Romanov April 10, 2026 18:00, Moscow, Steklov Mathematical Institute, Room 303 (8 Gubkina)
Seminar on Theory of Functions of Real Variables, Moscow
116.	Можно ли поймать скачки с помощью липшицевых функций? A. I. Tyulenev April 10, 2026 18:30, Moscow, MSU main building, room 16-10, Zoom
Student Research Seminar on Probability and Geometry, St. Petersburg
	April 11, 2026 (Sat)
117.	Длина наибольшей возрастающей подпоследовательности в случайной перестановке B. V. Yakovlev April 11, 2026 13:40, St. Petersburg, St. Petersburg Department of Steklov Mathematical Institute of Russian Academy of Sciences
118.	The Rate of Convergence of Chernoff Approximations to Operator Semigroups and Approximate Solution of Differential Equations I. D. Remizov April 11, 2026 15:30
Functional integrals and applications in quantum theory and statistical mechanics, Moscow, February 2–May 25, 2026
	April 13, 2026 (Mon)
119.	Lecture 10. Functional integrals and applications in quantum theory and statistical mechanics I V. Zh. Sakbaev April 13, 2026 10:00, Moscow, online
Seminar by I. Ya. Aref'eva "Perspective directions in quantum field theory and superstrings", Moscow, February 3, 2020–May 25, 2026
	April 13, 2026 (Mon)
120.	Seminar 163. Perspective directions in quantum field theory and superstrings I. Ya. Aref'eva April 13, 2026 15:00, Moscow, Steklov Mathematical Institute, Room 303 (8 Gubkina)
Seminars "Proof Theory" and "Logic Online Seminar", Moscow
	April 13, 2026 (Mon)
121.	On applications of intuitionistic Kripke–Platek set theory with urelements F. N. Pakhomov April 13, 2026 16:00, Moscow, Steklov Mathematical Institute (8 Gubkina), room 313 + online
Seminar on Quantum Probability, Statistics, Information, Moscow
	April 13, 2026 (Mon)
122.	Об оценивании квантовых каналов Паули A. P. Kuznetsova April 13, 2026 16:20, Moscow, online
V. I. Smirnov Seminar on Mathematical Physics, St. Petersburg
123.	Cascades of traveling waves in mixing displacement of liquids S. Tikhomirov April 13, 2026 16:30, St. Petersburg, zoom online-conference
Differential geometry and applications, Moscow
	April 13, 2026 (Mon)
	Conference "Lomonosov-2026"
124.	Длины простых замкнутых геодезических на гиперболических поверхностях April 13, 2026 16:45, Moscow
125.	Об оценках типа Куранта для числа областей Неймана A. D. Kislitsyn April 13, 2026 16:45, Moscow
126.	Скрещенные симплициальные группы и комбинаторные формулы для характеристических классов April 13, 2026 16:45, Moscow
127.	Метрики диагональной кривизны на гиперповерхностях A. S. Varlington April 13, 2026 16:45, Moscow
Seminar on Operator Theory and Function Theory, St. Petersburg
128.	Дуальная гипотеза Смейла и связанные с ней неравенства D. M. Hammatova April 13, 2026 17:30, St. Petersburg, PDMI, room 311 (nab. r. Fontanki, 27)
, February 9–May 25, 2026
	April 13, 2026 (Mon)
129.	Лекция 7. Метод функционального интеграла в квантовой гравитации в режиме низких энергий M. A. Khramtsov April 13, 2026 18:00, Steklov Mathematical Institute, Room 303 (8 Gubkina)
Course by D. V. Pirozhkov "Stable bundles on curves and Narasimhan–Seshadri theorem", Moscow, February 9–May 25, 2026
130.	Lecture 8. Stable bundles on curves and Narasimhan–Seshadri theorem D. V. Pirozhkov April 13, 2026 18:00, Moscow, Steklov Mathematical Institute, Room 430 (8 Gubkina)
Differential equations, analysis and control: theory and applications, Moscow
	April 13, 2026 (Mon)
131.	Обобщения теорем Якоби-Шаля и Грейвса G. V. Belozerov April 13, 2026 18:25, Moscow, Lomonosov Moscow State University, online
Infinite dimensional analysis and mathematical physics, Moscow
132.	Динамика квантовых состояний, порожденная блужданиями в случайных каналах V. Zh. Sakbaev April 13, 2026 18:30, Moscow, Lomonosov Moscow State University, room 16-22
Knots and Representation Theory, Moscow
133.	Конференции Ломоносов-2026 April 13, 2026 18:30, Moscow
Seminar of the Mathematical Physics Department of the Institute of Applied Mathematics and Mechanics, Donetsk
134.	О смешанной задаче для волнового уравнения с эквивариантным граничным условием в цилиндре над трехмерным шаром. Yu. O. Belyaeva April 13, 2026 19:00, Donetsk, online
Mathematical foundations of quantum information science, September 16, 2025–May 26, 2026
	April 14, 2026 (Tue)
135.	Lecture 22. Mathematical foundations of quantum information science II A. S. Holevo April 14, 2026 10:00, online
Classical and Quantum Stochastic Processes, September 9, 2025–May 26, 2026
136.	Lecture 25. Classical and Quantum Stochastic Processes II G. G. Amosov April 14, 2026 11:30, online
Scientific seminar on the differential and functional differential equations, Moscow
137.	Краевые задачи для класса псевдогиперболических уравнений V. V. Shemetova April 14, 2026 12:00, Moscow, Nikol'skii Mathematical Institute of Peoples' Friendship University of Russia, Moscow, Russia
Shafarevich Seminar, Moscow
	April 14, 2026 (Tue)
138.	Локализация, жёсткость и послойная мультипликативность эквивариантных родов Хирцебруха T. E. Panov April 14, 2026 15:00, Moscow, Steklov Mathematical Institute, Room 104 (8 Gubkina) + online
, February 10–May 26, 2026
139.	Lecture 9. Introduction to geometric group theory III I. G. Lysenok April 14, 2026 16:00, Steklov Mathematical Institute, Room 530 (8 Gubkina)
Geometric Theory of Optimal Control, Moscow
	April 14, 2026 (Tue)
140.	On Zermelo's planar navigation problem for convex bodies, and implications for non-convex optimal routing (joint work with Matteo Della Rossa and Mattia Pinatto) Lorenzo Freddi April 14, 2026 16:00, Moscow, online
Dobrushin Mathematics Laboratory Seminar
	April 14, 2026 (Tue)
141.	Combinatorics and Geometry on the Algebra of Reflection Equations D. I. Gurevich April 14, 2026 16:15 MPTI, Pervomaiskaya str. 7, room 322, Dolgoprudny
Course by A. V. Fonarev "Algebraic geometry I 2/2", February 10–May 26, 2026
142.	Lecture 9. Algebraic geometry I 2/2 A. V. Fonarev April 14, 2026 18:00, Steklov Mathematical Institute, Room 530 (8 Gubkina)
Seminar on Sub-Riemannian Geometry, September 16, 2025–May 26, 2026
143.	Seminar 24. Sub-Riemannian Geometry L. V. Lokutsievskiy April 14, 2026 18:00, Steklov Mathematical Institute, Room 303 (8 Gubkina)
Seminar by G. G. Amosov and A. V. Utkin "Current Problems in the Theory of One-Parameter Semigroups", September 16, 2025–May 26, 2026
144.	Seminar 23. Current Problems in the Theory of One-Parameter Semigroups G. G. Amosov, A. V. Utkin April 14, 2026 18:00, Steklov Mathematical Institute, Room 430 (8 Gubkina)
Seminar of the Department of Mathematics of NRNU MEPhI, Moscow
	April 14, 2026 (Tue)
145.	Математическое моделирование динамики примеси в течении несжимаемой жидкости на основе построения нейронной сети A. D. Smorodinov April 14, 2026 18:00, Moscow
Colloquium of the Faculty of Computer Science, Moscow
146.	Существование и построение близких к оптимальным столбцовых и крестовых аппроксимаций матриц Александр Осинский April 14, 2026 18:10, Moscow
Seminar of the Department of Geometry and Topology of the Steklov Mathematical Institute, RAS, and the Department of Geometry and Topology of the Faculty of Mechanics and Mathematics, MSU "Geometry, Topology and Mathematical Physics" (Novikov Seminar), Moscow
	Conference "Lomonosov - 2026"
147.	Интегрируемые иерархии фробениусовых многообразий, построенных по алгебро-геометрическим данным I. V. Shumilin April 14, 2026 18:30, Moscow, Lomonosov Moscow State University, Steklov Mathematical Institute of RAS
148.	Некоммутативная геометрия и пуассоновы структуры на многообразиях электрических сетей E. G. Markina April 14, 2026 18:55, Moscow, Lomonosov Moscow State University, Steklov Mathematical Institute of RAS
149.	Новое доказательство неравенства Милнора A. M. Kuznetsov April 14, 2026 19:20, Moscow, Lomonosov Moscow State University, Steklov Mathematical Institute of RAS
150.	Кручение в гомологиях групп Торелли и гомоморфизм Бирман—Крэггса—Джонсона A. V. Vladimirov April 14, 2026 19:45, Moscow, Lomonosov Moscow State University, Steklov Mathematical Institute of RAS
Introduction to Integrable Systems, Moscow, February 4–May 27, 2026
	April 15, 2026 (Wed)
151.	Lecture 10. Introduction to Integrable Systems A. V. Zotov April 15, 2026 11:30, Moscow, Steklov Mathematical Institute, Room 430 (8 Gubkina)
Seminar on analytic theory of differential equations, Moscow
152.	Многообразие характеров уравнений Пенлеве A. M. Nefedova April 15, 2026 13:00, Moscow, Steklov Mathematical Institute, Room 440 (8 Gubkina)
Control of Quantum Systems, September 8, 2025–May 27, 2026
153.	Lecture 20. Control of Quantum Systems A. N. Pechen, B. O. Volkov April 15, 2026 13:10, Steklov Mathematical Institute, Room 430 (8 Gubkina)
Seminar of the Department of Theoretical Physics, Steklov Mathematical Institute of RAS, Moscow
	April 15, 2026 (Wed)
154.	On integrals on motion in matrix product operator (MPO) form in Heisenberg spin chains V. I. Yashin April 15, 2026 14:00, Moscow, Steklov Mathematical Institute of RAS, Room 313 (8 Gubkina)
Foundations of the theory of open quantum systems, September 3, 2025–May 27, 2026
	April 15, 2026 (Wed)
155.	Lecture 24. Foundations of the theory of open quantum systems II A. E. Teretenkov April 15, 2026 14:45, Steklov Mathematical Institute, Room 430 (8 Gubkina)
Seminar on analytic theory of differential equations, Moscow
156.	On some arithmetic conditions of recurrent sequences modulo prime p Sashadhar Dutta April 15, 2026 15:00, Moscow, Steklov Mathematical Institute, Room 440 (8 Gubkina)
Dobrushin Mathematical Laboratory Seminar (IITP RAS), Moscow
157.	Одноточечное штрафование симметричного процесса Леви T. Abildaev April 15, 2026 15:00, Moscow, IITP RAS
Colloquium MIAN-PDMI, Moscow, St. Petersburg
158.	Как суммировать расходящиеся ряды? V. V. Kozlov April 15, 2026 15:00, Moscow, St. Petersburg
Seminar of the LHEP (MIPT) theory group, Dolgoprudny
159.	Free Field construction of D=4 Heterotic string compacticficed on Calabi-Yau manifolds of Berglund-Hubsch type in the Batyrev-Borisov combinatorial approach A. A. Belavin April 15, 2026 15:30, Dolgoprudny, MIPT, Laboratory building, room 403
, February 11–May 27, 2026
	April 15, 2026 (Wed)
160.	Лекция 9. Вариационные методы классической механики S. V. Bolotin April 15, 2026 16:00, Steklov Mathematical Institute, Room 110 (8 Gubkina)
, February 11, 2025–May 27, 2026
	April 15, 2026 (Wed)
161.	PSpace-разрешимость модальных логик древовидных шкал – 3 L. V. Dvorkin April 15, 2026 16:00, Steklov Mathematical Institute, Room 303 (8 Gubkina)
Seminar on Theory of Functions of Several Real Variables and Its Applications to Problems of Mathematical Physics, Moscow
	April 15, 2026 (Wed)
162.	Весовые вложения пространств Соболева и собственные значения оператора p-Лапласа. A. V. Menovshchikov April 15, 2026 16:00, Moscow, Steklov Mathematical Institute, Room 313 (8 Gubkina)
Quantum computation, Moscow, February 11–May 27, 2026
	April 15, 2026 (Wed)
163.	Lecture 10. Quantum computation V. I. Yashin April 15, 2026 16:25, Moscow, Steklov Mathematical Institute, Room 104 (8 Gubkina)
, February 11–May 27, 2026
	April 15, 2026 (Wed)
164.	Seminar 10. Methods of classical and quantum integrable systems A. V. Zotov, M. G. Matushko, R. A. Potapov April 15, 2026 16:30, Steklov Mathematical Institute, Room 430 (8 Gubkina)
Workshop on the discrete geometry and the geometry of numbers, Moscow
	April 15, 2026 (Wed)
165.	О зацеплениях, определяемых гамильтоновыми циклами, гамильтоновыми тэта- и K_4-подграфами в 1-остовах трёхмерных простых многогранников N. Yu. Erokhovets April 15, 2026 16:45, Moscow
Mathematical Foundations of Artificial Intelligence, Moscow
166.	Решения градиентных потоков с помощью диаграммных разложений D. A. Yarotskii April 15, 2026 17:00, Moscow, Steklov Mathematical Institute + Kontur Talk
	April 15, 2026 (Wed)
167.	(Не)устойчивые подмодули целых функций и спектральный синтез для оператора дифференцирования N. F. Abuzyarova April 15, 2026 17:30
Seminar of the Laboratory on Algebraic Transformation Groups HSE University, Moscow
	April 15, 2026 (Wed)
168.	Local structure theorems for reductive group actions R. S. Avdeev April 15, 2026 18:00, Moscow, Pokrovsky b-d 11, M202
, September 17, 2025–May 27, 2026
	April 15, 2026 (Wed)
169.	Семинар 19. Проблема рациональности в алгебраической геометрии D. O. Orlov, Yu. G. Prokhorov, C. A. Shramov April 15, 2026 18:00, Steklov Mathematical Institute, Room 104 (8 Gubkina)
Seminar by V. V. Kozlov, S. V. Kozyrev, A. S. Trushechkin and I. V. Volovich "Quantum mathematical physics", Moscow, February 10, 2021–May 27, 2026
170.	Seminar 160. Quantum mathematical physics I. V. Volovich, V. V. Kozlov, S. V. Kozyrev, A. S. Trushechkin April 15, 2026 18:00, Moscow, Steklov Mathematical Institute, Room 430 (8 Gubkina)
, February 11–May 27, 2026
171.	Лекция 10. Теория вычислимости и лямбда-исчисление S. L. Kuznetsov, S. O. Speranski April 15, 2026 18:00, Steklov Mathematical Institute, Room 303 (8 Gubkina)
, February 11–May 27, 2026
172.	Lecture 8. Random measures A. I. Bufetov, S. M. Gorbunov April 15, 2026 18:15, Steklov Mathematical Institute, Room 313 (8 Gubkina)
Graphs on surfaces and curves over number fields, Moscow
	April 15, 2026 (Wed)
173.	Random walks and ribbon graphs N. Ya. Amburg April 15, 2026 18:30, Moscow, on-line
, February 11–May 27, 2026
	April 15, 2026 (Wed)
174.	Лекция 9. Конечнозонный подход в теории интегрируемых систем P. G. Grinevich April 15, 2026 18:40, Steklov Mathematical Institute, Room 530 (8 Gubkina)
Cohomological geometry of differential equations, Moscow
	April 15, 2026 (Wed)
175.	Invariant reduction for PDEs. IV: Symmetries that rescale geometric structures K. P. Druzhkov April 15, 2026 19:20, Moscow, online, for the access link please contact seminar@gdeq.org
Contemporary Problems in Number Theory, Moscow
	April 16, 2026 (Thu)
176.	Верхние и нижние оценки сложности чисел K. A. Oganesyan April 16, 2026 12:30, Moscow, Steklov Mathematical Institute, Room 530 (8 Gubkina)
Steklov Mathematical Institute Seminar, Moscow
	April 16, 2026 (Thu)
177.	Categorical approach to algebraic geometry A. G. Kuznetsov April 16, 2026 16:00, Moscow, Steklov Mathematical Institute, Room 104 (8 Gubkina)
Seminar by I. G. Lysenok and A. L. Talambutsa "Seminar on geometric group theory", February 11, 2021–May 28, 2026
178.	Seminar 129. Geometric group theory I. G. Lysenok, A. L. Talambutsa April 16, 2026 16:00, Steklov Mathematical Institute, Room 430 (8 Gubkina)
Seminar on mathematical modeling in biology and medicine, It is online (MS TEAMS) now Moscow, Ordzhonikidze st., build. 3 (Peoples Friendship University of Russia, Faculty of Physics, Mathematics and Natural Sciences)
	April 16, 2026 (Thu)
179.	The strange maths of cellular materials F. Graner April 16, 2026 16:30, It is online (MS TEAMS) now Moscow, Ordzhonikidze st., build. 3 (Peoples Friendship University of Russia, Faculty of Physics, Mathematics and Natural Sciences), online
180.	Случайные унитарные блуждания и квантовые кинетические уравнения V. Zh. Sakbaev April 16, 2026 16:30
Noncommutative geometry and topology, Moscow
181.	Тавтологическое непрерывное поле бимодулей Роу V. M. Manuilov April 16, 2026 16:45, Moscow, Lomonosov Moscow State Univ, Main Building, Faculty of Mechanics and Mathematics, auditorium 1604
182.	On Banach spaces with the Helly approximation property April 16, 2026 17:15
Iskovskikh Seminar, Moscow
	April 16, 2026 (Thu)
183.	Orbits of unipotent groups and Isaacs' conjecture M. V. Ignatyev April 16, 2026 18:00, Moscow, Steklov Mathematical Institute, room 530
Some applications of mathematical methods in linguistics, Moscow
	April 16, 2026 (Thu)
184.	Устройство санскритской грамматики Панини E. A. Ulanskii April 16, 2026 18:00, Moscow
Seminar by A. I. Bufetov, A. V. Dymov, A. V. Klimenko, M. Mariani and G. I. Olshanskii “Representations and Probability”, Moscow, January 20, 2020–May 28, 2026
	April 16, 2026 (Thu)
185.	Seminar 172. Representations and Probability A. I. Bufetov, A. V. Dymov, A. V. Klimenko, M. Mariani, G. I. Olshanski April 16, 2026 18:10, Moscow, online
, February 20–May 29, 2026
	April 17, 2026 (Fri)
186.	Лекция 9. Метод рекурсий: непертурбативный подход к квантовой многочастичной динамике O. V. Lychkovskiy, A. E. Teretenkov, N. B. Ilin, I. E. Shirokov April 17, 2026 18:00, Steklov Mathematical Institute, Room 430 (8 Gubkina)
, February 13–May 29, 2026
187.	Лекция 9. Пространства Тайхмюллера G. B. Shabat April 17, 2026 18:00, Steklov Mathematical Institute, Room 530 (8 Gubkina)
Seminar on Probability Theory and Mathematical Statistics, St. Petersburg
188.	Асимптотика математического ожидания числа вершин границы выпуклой оболочки простого симметричного случайного блуждания по двумерной решетке A. O. Myslyuk April 17, 2026 18:00, St. Petersburg, PDMI, room 311 (nab. r. Fontanki, 27)
V. I. Smirnov Seminar on Mathematical Physics, St. Petersburg
	April 20, 2026 (Mon)
189.	Structure and smoothness of a locally concave solution of the degenerate Monge–Ampère equation E. P. Dobronravov April 20, 2026 15:00, St. Petersburg, PDMI, room 311, zoom online-conference
Seminars "Proof Theory" and "Logic Online Seminar", Moscow
	April 20, 2026 (Mon)
190.	Markov Coding A. Visser April 20, 2026 16:00, Moscow, Steklov Mathematical Institute (8 Gubkina), room 313 + online
Seminar on Operator Theory and Function Theory, St. Petersburg
191.	О точных оценках через второй модуль непрерывности L. N. Ikhsanov April 20, 2026 17:30, St. Petersburg, PDMI, room 311 (nab. r. Fontanki, 27)
	April 21, 2026 (Tue)
192.	Оценки снизу логарифма максимума модуля целой функции через функцию плотности множества корней A. Yu. Popov April 21, 2026 18:00Lomonosov Moscow State University, Faculty of Computational Mathematics and Cybernetics, room 637
Seminar of the Department of Geometry and Topology of the Steklov Mathematical Institute, RAS, and the Department of Geometry and Topology of the Faculty of Mechanics and Mathematics, MSU "Geometry, Topology and Mathematical Physics" (Novikov Seminar), Moscow
193.	Алгебраические кобордизмы и гипотеза Колье-Телена о квадратичных формах I. A. Panin April 21, 2026 18:30, Moscow, Lomonosov Moscow State University, Steklov Mathematical Institute of RAS
Mathematical seminar Faculty of Computer Science HSE
	April 24, 2026 (Fri)
194.	Элементарные теорий классов вероятностных пространств и их сложность Станислав Сперанский April 24, 2026 18:10
V. I. Smirnov Seminar on Mathematical Physics, St. Petersburg
	April 27, 2026 (Mon)
195.	Hilbert transformations from the general point of view A. R. Mirotin April 27, 2026 15:00, St. Petersburg, PDMI, room 311, zoom online-conference
Seminars "Proof Theory" and "Logic Online Seminar", Moscow
	April 27, 2026 (Mon)
196.	Bounded languages described by GF(2)-grammars V. M. Makarov April 27, 2026 16:00, Moscow, Steklov Mathematical Institute (8 Gubkina), room 313 + online
Complex analysis and mathematical physics, Moscow
	April 28, 2026 (Tue)
197.	Topology of non-Hermitian systems with PT symmetry: classification by homotopy methods Grachev Danila Denisovich April 28, 2026 16:00, Moscow, Steklov Mathematical Institute, Room 430 (8 Gubkina)
Seminar "Complex analysis in several variables" (Vitushkin Seminar), Moscow
	April 29, 2026 (Wed)
198.	Modern AI systems for mathematics I. V. Beloshapka April 29, 2026 16:45, Moscow, online