Department of Higher Mathematics and Mathematical Physics - Activities › SPbU Researchers Portal

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2025
О Точечном Спектре Несамосопряженного Квазипериодического Оператора
Александр Александрович Федотов (Speaker)
19 May 2025 → 24 May 2025
Activity: Conference talk types › Invited talk
The propagation of sound in a slowly changing ocean
Александр Александрович Федотов (Speaker)
24 Feb 2025 → 1 Mar 2025
Activity: Conference talk types › Invited talk
2024
Model of the effective separable potential in the problem of three one-dimensional quantum particles
Сергей Борисович Левин (Speaker)
30 Sep 2024 → 3 Oct 2024
Activity: Conference talk types › Oral presentation
2024 China-Eastern European Experts Cooperation and Exchange Activity
Михаил Анатольевич Лялинов (Speaker)
17 May 2024 → 20 May 2024
Activity: Conference talk types › Invited talk
2022
Stark-Wannier resonances and cubic exponential sums
Александр Александрович Федотов (Speaker)
17 Nov 2022
Activity: Conference talk types › Invited talk
Обратная задача для оператора третьего порядка с малыми периодическими коэффициентами.
Андрей Васильевич Баданин (Speaker)
14 Nov 2022
Activity: Conference talk types › Oral presentation
Об усреднении локально периодической стационарной системы Максвелла в трехмерном пространстве и с постоянной магнитной проницаемостью
Никита Николаевич Сеник (Speaker)
7 Nov 2022
Activity: Conference talk types › Invited talk
Перенормировки: гауссовы экспоненциальные суммы и почти-периодические операторы
Александр Александрович Федотов (Speaker)
Nov 2022
Activity: Conference talk types › Invited talk
Минимальные решения разностных уравнений и теория почти периодических операторов
Александр Александрович Федотов (Speaker)
28 Sep 2022 → 1 Oct 2022
Activity: Conference talk types › Invited talk
Eskişehir Osmangazi University
Мария Владимировна Перель (Visiting researcher)
19 Sep 2022 → 20 Jan 2023
Activity: Visit other types › Visiting an external academic institution
Eskişehir Osmangazi University
Мария Владимировна Перель (Visiting researcher)
19 Sep 2022 → 20 Jan 2023
Activity: Visit other types › Visiting an external academic institution
Eskişehir Osmangazi University
Мария Владимировна Перель (Visiting researcher)
19 Sep 2022 → 20 Jan 2023
Activity: Visit other types › Visiting an external academic institution
Обратная задача для операторов третьего порядка, ассоциированного с уравнением Буссинеска, в случае малых коэффициентов
Андрей Васильевич Баданин (Speaker)
17 Sep 2022 → 26 Sep 2022
Activity: Conference talk types › Oral presentation
Inverse problem for the third order operator associated with the good Boussinesq on the circle
Андрей Васильевич Баданин (Speaker)
22 Aug 2022 → 26 Aug 2022
Activity: Conference talk types › Oral presentation
On minimal entire solutions of difference equations in the complex plane
Александр Александрович Федотов (Speaker)
22 Aug 2022 → 26 Aug 2022
Activity: Conference talk types › Invited talk
доклад на Конференции по спектральной теории и математической физике памяти М.Ш.Бирмана
Сергей Борисович Левин (Speaker), Сергей Юрьевич Доброхотов (Keynote speaker) & Антон Алексеевич Толченников (Speaker)
23 Jun 2022
Activity: Conference talk types › Invited talk
семинар отдела геометрии и топологии МИАН (Геометрия, топология и математическая физика)
Сергей Борисович Левин (Speaker), Антон Алексеевич Толченников (Speaker) & Сергей Юрьевич Доброхотов (Keynote speaker)
8 Jun 2022
Activity: Conference talk types › Invited talk
On the spectrum of a quasiperiodic non-self-adjoint operator
Александр Александрович Федотов (Speaker)
Jun 2022
Activity: Conference talk types › Invited talk
ICM 2022 Satellite Conference in Spectral Theory and Mathematical Physics
Александр Александрович Федотов (Chair)
2022 → …
Activity: Attendance types › Organizing a conference, workshop, ...
2021
Operator error estimates for homogenization of higher-order hyperbolic equations
Татьяна Александровна Суслина (Speaker)
29 Dec 2021
Activity: Conference talk types › Oral presentation
Математическая теория рассеяния в электромагнитных волноводах
Олег Васильевич Сарафанов (Speaker)
28 Dec 2021
Activity: Conference talk types › poster
О СПЕКТРЕ НЕСАМОСОПРЯЖЕННОГО КВАЗИПЕРИОДИЧЕСКОГО ОПЕРАТОРА
Александр Александрович Федотов (Speaker)
28 Dec 2021
Activity: Conference talk types › poster
Усреднение дифференциальных операторов с периодическими коэффициентами
Татьяна Александровна Суслина (Speaker)
28 Dec 2021
Activity: Conference talk types › poster
Уточнение асимптотики решения типа искаженной шестимерной плоской волны квантовой задачи рассеяния трех заряженных частиц
Сергей Борисович Левин (Speaker)
28 Dec 2021
Activity: Conference talk types › poster
О СПЕКТРЕ НЕСАМОСОПРЯЖЕННОГО КВАЗИПЕРИОДИЧЕСКОГО ОПЕРАТОРА
Александр Александрович Федотов (Speaker)
Dec 2021
Activity: Conference talk types › Invited talk
Уточнение асимптотики решения типа искаженной шестимерной плоской волны квантовой задачи рассеяния трех заряженных частиц
Сергей Борисович Левин (Invited speaker)
16 Nov 2021
Activity: Conference talk types › Invited talk
On a trigonometric analogue of the Euler Γ-function
Александр Александрович Федотов (Speaker)
22 Oct 2021
Activity: Conference talk types › Invited talk
On coordinate asymptotics of the Schroedinger operator absolutely continuous spectrum eigenfunctions for the system of $n$ charged quantum particles
Сергей Борисович Левин (Invited speaker) & Александр Михайлович Будылин (Invited speaker)
21 Sep 2021
Activity: Conference talk types › Invited talk
О многомасштабном поведении решений почти периодических уравнений
Александр Александрович Федотов (Speaker)
19 Sep 2021
Activity: Conference talk types › Invited talk
Усреднение нестационарных уравнений типа Шрёдингера с периодическими коэффициентами
Татьяна Александровна Суслина (Speaker)
18 Sep 2021
Activity: Conference talk types › Invited talk
On evolution generated by a one-dimensional Schrödinger operator with a potential slowly depending on time and having both discrete and continuous spectrum
Александр Александрович Федотов (Speaker)
12 Aug 2021
Activity: Conference talk types › Invited talk
On homogenization for locally periodic elliptic problems on a domain
Никита Николаевич Сеник (Speaker)
12 Aug 2021
Activity: Conference talk types › Invited talk
Homogenization of the periodic Schrodinger-type equations
Татьяна Александровна Суслина (Speaker)
27 Jul 2021
Activity: Conference talk types › Invited talk
The Wavelet-Based Integral Formula for the Solutions of the Wave Equation in an inhomogeneous Medium: Convergence of Integrals
Мария Владимировна Перель (Speaker) & Евгений Александрович Городницкий (Speaker)
8 Jul 2021
Activity: Conference talk types › Oral presentation
Normal form of a slow-fast system with an equilibrium near folded slow manifold
Наталия Георгиевна Гельфрейх (Speaker) & Алексей Валентинович Иванов (Speaker)
30 Jun 2021 → 9 Jul 2021
Activity: Conference talk types › Oral presentation
A short introduction to the theory of ergodic operators
Александр Александрович Федотов (Speaker)
29 Jun 2021 → 30 Jun 2021
Activity: Conference talk types › Invited talk
Homogenization of the periodic Schrodinger-type equations
Татьяна Александровна Суслина (Speaker)
23 Jun 2021
Activity: Conference talk types › Invited talk
On homogenization for locally periodic elliptic problems on a domain
Никита Николаевич Сеник (Speaker)
23 Jun 2021
Activity: Conference talk types › Invited talk
Monodromization for Schrodinger operators with meromorphic potentials.
Александр Александрович Федотов (Speaker)
20 Jun 2021
Activity: Conference talk types › Invited talk
A strict mathematical problem for quasiphotons
Мария Владимировна Перель (Speaker)
3 Jun 2021
Activity: Conference talk types › Oral presentation
On adiabatic evolution generated by a one-dimensional Schr¨odinger operator
Александр Александрович Федотов (Speaker)
Jun 2021
Activity: Conference talk types › Invited talk
On self-similar solutions to some difference equations
Александр Александрович Федотов (Speaker)
Jun 2021
Activity: Conference talk types › Invited talk
Solutions to quasiperiodic equations: selfsimilarity and quantization conditions
Александр Александрович Федотов (Speaker)
Jun 2021
Activity: Conference talk types › Oral presentation
Операторы Хилла с потенциалами, аналитически зависящими от энергии.
Андрей Васильевич Баданин (Speaker)
11 May 2021
Activity: Conference talk types › Oral presentation
Homogenization of the periodic Schrodinger-type equations
Татьяна Александровна Суслина (Speaker)
26 Apr 2021
Activity: Conference talk types › Invited talk
Thematic Program onSpectral Theory and Mathematical Physics
Александр Александрович Федотов (The reviewer )
1 Feb 2021 → 30 Dec 2021
Activity: Other activity types › The official review of the leading organization for the dissertation
Alexey Popov’s diffraction by a jump of curvature revised
Екатерина Андреевна Злобина (Keynote speaker) & Алексей Прохорович Киселев (Speaker)
2021
Activity: Conference talk types › Oral presentation
Paradoxical Properties of Nonstationary Wavefields of Point Sources in Isotropic Elastic Medium
Алексей Прохорович Киселев (Keynote speaker) & Азат Мухаммедович Тагирджанов (Speaker)
2021
Activity: Conference talk types › Oral presentation
Revisiting A.V.Popov's diffraction problem
Алексей Прохорович Киселев (Keynote speaker) & Екатерина Андреевна Злобина (Speaker)
2021
Activity: Conference talk types › Oral presentation
Simple localized solutions of the wave equation
Алексей Прохорович Киселев (Speaker)
2021
Activity: Conference talk types › Invited talk
Simple unidirectional electromagnetic few-cycle pulses
Алексей Прохорович Киселев (Keynote speaker)
2021
Activity: Conference talk types › Oral presentation
2020
5. Международная конференция по естественным и гуманитарным наукам «Science SPbU – 2020»,
Александр Александрович Федотов (Speaker)
25 Dec 2020
Activity: Conference talk types › poster
«Наука СПбГУ – 2020»
Александр Александрович Федотов (Speaker)
24 Dec 2020
Activity: Conference talk types › poster
Hill's equations with the potentials analytically dependent on energy
Андрей Васильевич Баданин (Speaker)
30 Nov 2020 → 2 Dec 2020
Activity: Conference talk types › Oral presentation
Операторы Хилла с потенциалами, аналитически зависящими от энергии.
Андрей Васильевич Баданин (Speaker)
19 Sep 2020 → 27 Sep 2020
Activity: Conference talk types › Oral presentation
On the density of states of the almost-Mathieu operator in semiclassical situation
Александр Александрович Федотов (Speaker)
25 May 2020 → 29 May 2020
Activity: Conference talk types › Invited talk
Spectral Theory and Mathematical Physics
Александр Александрович Федотов (Chair)
2 Feb 2020 → 8 Feb 2020
Activity: Attendance types › Organizing a conference, workshop, ...
The spectrum and density of states of the almost Mathieu opertor in semiclassical approximation
Александр Александрович Федотов (Speaker)
2 Feb 2020 → 8 Feb 2020
Activity: Conference talk types › Invited talk
2019
Third order operator for the good Boussinesq equation on the circle.
Андрей Васильевич Баданин (Speaker)
2 Dec 2019 → 4 Dec 2019
Activity: Conference talk types › Oral presentation
Spectral theory of third order operator associated with the good Boussinesq equation
Андрей Васильевич Баданин (Speaker)
22 Jul 2019 → 26 Jul 2019
Activity: Conference talk types › Oral presentation
St.Petersburg Conference in Spectral Theory
Алексей Прохорович Киселев (Participant)
21 Jun 2019 → 24 Jun 2019
Activity: Attendance types › Participating in a conference, workshop, ...
Third order operators with three-point conditions associated with Boussinesq's equation.
Андрей Васильевич Баданин (Speaker)
3 Jun 2019 → 7 Jun 2019
Activity: Conference talk types › Oral presentation
Third order operator for good Boussinesq's equation on the circle.
Андрей Васильевич Баданин (Speaker)
9 May 2019
Activity: Conference talk types › Oral presentation
Доклад по теме "Трехточечная задача Дирихле для оператора третьего порядка, ассоциированного с уравнением Буссинеска" на семинаре по теории распространения волн под рук. В.М.Бабича
Андрей Васильевич Баданин (Speaker)
19 Mar 2019
Activity: Conference talk types › Oral presentation
Доклад по теме "Оператор третьего порядка с трехточечными условиями, ассоциированный с уравнением Буссинеска" на семинаре по математической физике им. В.И.Смирнова
Андрей Васильевич Баданин (Speaker)
25 Feb 2019
Activity: Conference talk types › Oral presentation
2018
Оператор третьего порядка, ассоциированный с уравнением Буссинеска на окружности
Андрей Васильевич Баданин (Speaker)
18 Sep 2018
Activity: Conference talk types › Oral presentation
Third order operator for the good Boussinesq equation on the circle.
Андрей Васильевич Баданин (Speaker)
4 Jun 2018 → 8 Jun 2018
Activity: Conference talk types › Oral presentation
Доклад по теме "Операторы 4-го порядка на оси с периодическими коэффициентами" на семинаре по теории операторов под руководством А.А.Шкаликова
Андрей Васильевич Баданин (Speaker)
30 Mar 2018
Activity: Conference talk types › Oral presentation
Simple localized solutions of the wave equation
Алексей Прохорович Киселев (Speaker)
2018
Activity: Conference talk types › Invited talk
2017
Resonances of the Euler-Bernoulli operators on the half-line.
Андрей Васильевич Баданин (Speaker)
26 Sep 2017 → 27 Sep 2017
Activity: Conference talk types › Invited talk
Детерминант Фредгольма для оператора Эйлера-Бернулли на полуоси.
Андрей Васильевич Баданин (Speaker)
24 Sep 2017
Activity: Conference talk types › Oral presentation
Third and fourth order operators with periodic coefficients on the line.
Андрей Васильевич Баданин (Speaker)
11 Jul 2017
Activity: Conference talk types › Invited talk
Resonances of 4th order differential operators.
Андрей Васильевич Баданин (Speaker)
19 Jun 2017 → 23 Jun 2017
Activity: Conference talk types › Oral presentation
Доклад по теме "Резонансы оператора Эйлера-Бернулли на полуоси" на семинаре по теории распространения волн под рук. В.М.Бабича
Андрей Васильевич Баданин (Speaker)
14 Mar 2017
Activity: Conference talk types › Oral presentation
2016
Inverse problems and sharp eigenvalue asymptotics for Euler-Bernoulli operators.
Андрей Васильевич Баданин (Speaker)
5 Sep 2016 → 14 Sep 2016
Activity: Conference talk types › Oral presentation
Trace formulas for fourth order operators on unit interval
Андрей Васильевич Баданин (Speaker)
27 Jun 2016 → 1 Jul 2016
Activity: Conference talk types › Oral presentation

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