Dynamics and Ergodic Theory

Seminars 2020-2023

2020-01-07	Adam Kanigowski	University of Maryland	USA	Twierdzenie o liczbach pierwszych w ukladach dynamicznych
2020-01-13	Adam Kanigowski	University of Maryland	USA	Twierdzenie o liczbach pierwszych w ukladach dynamicznych
2020-01-28	Wojciech Bulatek	Nicolaus Copernicus University in Toruń	Poland	Deterministyczny automorfizm topologiczny z niedeterministycznym odwrotnym
2020-03-03	Mariusz Lemanczyk	Nicolaus Copernicus University in Toruń	Poland	Uogólnienie dynamiczne twierdzenia o liczbach pierwszych (na podstawie artykulu V. Bergelsona i F. Richtera)
2020-03-10	Joanna Kulaga-Przymus	Nicolaus Copernicus University in Toruń	Poland	Uogólnienie dynamiczne twierdzenia o liczbach pierwszych (na podstawie artykulu V. Bergelsona i F. Richtera)
2020-05-05	Adam Spiewak	Uniwersytet Warszawski	Poland	Metric mean dimension and analog compression
2020-05-13	Andreas Koutsogiannis	Ohio State University	USA	Multiple ergodic averages for suitable sequences
2020-05-19	Clemens Müllner	TU Wien	Austria	Multiplicative automatic sequences
2020-05-26	Dominik Kwietniak	The Jagiellonian University	Poland	Entropy, f-bar and Abramov’s formula for the entropy of induced transformations
2020-06-03	Florian K. Richter	Northwestern University	USA	Dynamical generalizations of the Prime Number Theorem and disjointness of additive and multiplicative actions
2020-06-16	Olivier Ramaré	CNRS / Aix Marseille University	France	A gentle stroll around the Goldbach's conjecture
2020-10-06	Maciej Wojtkowski	Opole University	Poland	The density of prime divisors of the Fibonacci sequence
2020-10-13	Welington Cordeiro	Nicolaus Copernicus University in Toruń	Poland	Beyond topological hyperbolicity
2020-10-27	Nishant Chandgotia	Hebrew University	Israel	Predictive sets
2020-11-03	Daniel Sell	Nicolaus Copernicus University in Toruń	Poland	Simple Toeplitz subshifts and leading sequences
2020-11-10	Daniel Sell	Nicolaus Copernicus University in Toruń	Poland	On subshifts with leading sequences
2020-11-17	Welington Cordeiro	Nicolaus Copernicus University in Toruń	Poland	The spectral decomposition theorem beyond topological hyperbolicity
2020-11-24	Vered Rom-Kedar	The Weizmann Institute	Israel	Hamiltonian flows with impacts and flows on translational surfaces
2020-12-01	Adam Kanigowski	University of Maryland	USA	Properties of smooth systems I — exponential mixing and Bernoullicity
2020-12-08	Jon Aaronson	Uniwersytet w Tel Awiwie	Israel	Tied down renewals & mixing properties of ergodic, infinite measure preserving transformations
2020-12-15	Adam Kanigowski	University of Maryland	USA	Properties of smooth systems II — new examples satisfying central limit theorem
2021-01-05	Zemer Kosloff	Hebrew University	Israel	Factors of nonsingular Bernoulli shifts
2021-01-12	Sebastian Zuniga Alterman	Nicolaus Copernicus University in Toruń	Poland	On a logarithmic sum related to the Selberg sieve
2021-01-19	Sebastian Zuniga Alterman	Nicolaus Copernicus University in Toruń	Poland	On a logarithmic sum related to the Selberg sieveOn a logarithmic sum related to the Selberg sieve
2021-01-26	Jacek Miekisz	Warsaw University	Poland	Gibbs measures in microscopic models of quasicrystals
2021-02-23	Minsung Kim	Nicolaus Copernicus University in Toruń	Poland	Effective equidistribution of higher step nilflows
2021-03-16	Minsung Kim	Nicolaus Copernicus University in Toruń	Poland	Limit distribution of higher rank actions for Heisenberg nilmanifolds
2021-03-23	Gerhard Keller	University of Erlangen-Nuremberg	Germany	Generalized heredity in B-free systems
2021-04-13	Frank TrThe Jagiellonian Universityillo	University of Zurich	Switzerland	A very short introduction to KAM theory
2021-04-20	Frank TrThe Jagiellonian Universityillo	University of Zurich	Switzerland	A very short introduction to KAM theory
2021-04-27	Nikos Frantzikinakis	University of Crete	Greece	Furstenberg systems of bounded sequences
2021-05-06	Maksym Radziwill	Caltech	USA	Expansion and parity
2021-10-05	Andreu Ferre Moragues	Ohio State University	USA	Polynomial ergodic averages for certain countable ring actions
2021-10-12	Rafael Tiedra de Aldecoa	Pontifical Catholic University of Chile	Chile	Spectral and scattering properties of quantum walks on homogenous trees of odd degree
2021-10-19	Krzysztof Fraczek	Nicolaus Copernicus University in Toruń	Poland	A new elementary proof of the Prime Number Theorem, after Florian Richter
2021-10-26	Rafael Tiedra de Aldecoa	Pontifical Catholic University of Chile	Chile	Decay estimates for unitary representations with applications to continuous- and discrete-time models
2021-11-09	Krzysztof Fraczek	Nicolaus Copernicus University in Toruń	Poland	A new elementary proof of the Prime Number Theorem, after Florian Richter (part 2)
2021-11-16	Sébastien Ferenczi	Aix Marseille Université, CNRS	France	Languages of (more and more) general interval exchanges
2021-11-23	Joanna Kulaga-Przymus	Nicolaus Copernicus University in Toruń	Poland	Convolution systems: examples and properties
2021-12-01	Slawomir Solecki	Cornell University	USA	Closed groups generated by generic measure preserving transformations
2021-12-07	Jamerson Bezerra	IMPA	Brazil	Geometry of horseshoes (part 1)
2021-12-14	Jamerson Bezerra	IMPA	Brazil	Geometry of horseshoes (part 2)
2021-12-21	Daniel Sell	Nicolaus Copernicus University in Toruń	Poland	On the Garden of Eden theorem for B-free subshifts
2022-01-04	Aurelia Dymek	Nicolaus Copernicus University in Toruń	Poland	Automorphism group of minimal B-free subshifts (part 1)
2022-01-11	Aurelia Dymek	Nicolaus Copernicus University in Toruń		Automorphism group of minimal B-free subshifts (part 2)
2022-01-18	Christoph Richard	University of Erlangen-Nuremberg	Germany	On the Garden of Eden theorem for B-free subshifts
2022-01-25	Alexander Danilenko	Institute for Low Temperature Physics and Engineering, Kharkov	Ukraine	Krieger’s type for ergodic nonsingular Poisson actions of non-(T) locally compact groups
2022-02-08	Michal Lemanczyk	Warsaw University	Poland	Uniqueness of the equilibrium measure for convolution systems and potentials depending on one-coordinate.
2022-02-22	Klaudiusz Czudek	Nicolaus Copernicus University in Toruń	Poland	Central limit theorem for random rotations
2022-03-01	Klaudiusz Czudek	Nicolaus Copernicus University in Toruń	Poland	Central limit theorem for random rotations
2022-03-08	Rodrigo Bissacot	Nicolaus Copernicus University in Toruń	Poland	Phase Transitions on Markov Shifts. Old and New.
2022-03-15	Rodrigo Bissacot	Nicolaus Copernicus University in Toruń	Poland	Phase Transitions on Markov Shifts. Old and New. (part 2)
2022-03-22	Thiago Raszeja	AGH University of Krakow	Poland	Generalized thermodynamic formalism: generalized Markov shift spaces
2022-03-29	Thiago Raszeja	AGH University of Krakow	Poland	Generalized thermodynamic formalism: new measures, pressure, and phase transitions.
2022-04-05	Przemyslaw Berk	Nicolaus Copernicus University in Toruń	Poland	Backward Rauzy-Veech algorithm and horizontal saddle connections
2022-04-26	Michal Rams	IM PAN	Poland	Birkhoff weighted averages
2022-05-10	Jamerson Bezerra	IMPA	Brazil	Regularity of Lyapunov exponents of random product of matrices
2022-05-17	Stanislaw Kasjan	AGH University of Krakow	Poland	On transitivity of B-admissible systems and Behrend sets inducing systems of large complexity
2022-05-24	Sebastian Alterman	AGH University of Krakow	Poland	Complexity of prime and semi-prime subshifts
2022-05-30	Alexander Borichev	Marseille University	Francja	Zeros of Taylor series with random and pseudo-random coefficients
2022-05-31	Mihajlo Cekić	University of Zurich	Switzerland	Ergodicity of frame flows on even-dimensional manifolds
2022-06-14	Jamerson Bezerra	IMPA	Brazil	Regularity of Lyapunov exponents of random product of matrices (Part II)
2022-10-11	Daniel Sell	Nicolaus Copernicus University in Toruń	Poland	Characterising periodic structures in B-free Toeplitz words
2022-10-18	Przemyslaw Berk	Nicolaus Copernicus University in Toruń	Poland	Rigidity of linearisation for piecewise smooth circle maps.
2022-10-25	Kasun Fernando	Scuola Normale Superiore di Pisa	Italy	The bootstrap for dynamical systems
2022-11-08	Aurelia Dymek	Nicolaus Copernicus University in Toruń	Poland	Automorphisms of B-free and other Toeplitz shifts
2022-11-15	Sohail Farhangi	Adam Mickiewicz University	Poland	The Ergodic Hierarchy of Mixing, van der Corput's difference theorem, and Katai's orthogonality criterion
2022-11-22	Przemyslaw Berk	Nicolaus Copernicus University in Toruń	Poland	Ergodicity of explicit logarithmic cocycles over IETs
2022-11-29	Joanna Kulaga-Przymus	Nicolaus Copernicus University in Toruń	Poland	Minimality of B-free systems
2022-12-06	Minsung Kim	Scuola Normale Superiore, Pisa	Italy	Deviation spectrum of Birkhoff integrals for locally Hamiltonian flows on compact surfaces.
2023-01-10	Stavroula Makri	Nicolaus Copernicus University in Toruń	Poland	Braid groups of the projective plane and the splitting problem
2023-01-17	Davide Ravotti	University of Vienna	Austria	Horocycle flows on Abelian covers of hyperbolic surfaces
2023-01-24	Jamerson Bezerra	IMPA	Brazil	Lagrange spectrum for typical diffeomorphisms
2023-01-31	Przemyslaw Berk	Nicolaus Copernicus University in Toruń	Poland	Symmetric skew products with cocycle given by indicator of (0,1/2)
2023-02-22	Rodolfo Gutierrez-Romo	Center for Mathematical Modeling at Universidad de Chile	Chile	Hausdorff dimension in Lagrange and Markov spectra
2023-03-14	Joanna Kulaga-Przymus	Nicolaus Copernicus University in Toruń	Poland	Convolution and bi-convolution systems
2023-04-04	Stanislaw Kasjan	Nicolaus Copernicus University in Toruń	Poland	On a property of ideals connected with Toeplitz B-free systems
2023-04-18	Dominik Kwietniak	The Jagiellonian University	Poland	Choquet simplices as spaces of invariant probability measures of minimal homeomorphisms on manifolds
2023-05-09	Olena Karpel	AGH University of Krakow	Poland	TBA
2023-10-17	Adam Spiewak	IM PAN	Poland	Dimension and absolute continuity of invariant measures on self-conformal sets with overlaps
2023-10-24	Gregory Debruyne	Ghent University	Belgium	One-sided Tauberian theorems and the prime number theorem
2023-11-07	Michal Rams	IM PAN	Poland	Loosely Bernoulli nonhyperbolic ergodic measures

Conferences organized by team members

Juliusz Schauder Medal Awarding Ceremony, 5th June 2021, Toruń; B. Bieganowski – a member of the Organizing Committee.
Conference „First Dynamical Systems Summer Meeting’’, 16-20.08.2021, IMPAN, Będlewo; K. Frączek – a member of the Organizing Committee.
Conference „Hyperbolic interweaving in dynamics”, 06-08.09.2021, IMPAN, Będlewo; W. Codeiro – a member of the Organizing Committee.
The Simons Focus Group “Spectral theory: in depth, around, and beyond”, IM PAN, 29.05-10.06.2022. Y. Tomilov – the main organizer.
Conference “Operators, Functions, Systems: Classical and Modern” in honor of N.K. Nikolski, Będlewo, 12-18.06.2022; Y. Tomilov – the main organizer.
Conference “New Challenges in Operator Semigroups” in honor of C. Batty, Oxford, 18-22.07.2022; Y. Tomilov – the main organizer.
Conference “Advances in Representation Theory of Algebras” (ARTA), 19-23.09.2022, Toruń; S. Kasjan – a member of the Organizing Committee.
Winter School “Geometric and Topological Methods in Dynamics of PDEs”, 13-15.02.23, Nicolaus Copernicus University, Toruń; B. Bieganowski – a member of the Organizing Committee.
“Workshop on Dynamics, Discrete Analysis and Multiplicative Number Theory”, 27.02-3.03.2023, IAS Princeton; M. Lemańczyk – the main organizer.
Simons Semester “Topological, smooth and holomorphic dynamics, ergodic theory, fractals”, 01.03.2023 – 30.06.2023, Warsaw & Będlewo; K. Frączek – a member of the Organizing Committee.
Conference “Beyond Uniform Hyperbolicity” 23.04.2023 – 05.05.2023, Będlewo; K. Frączek – a member of the Organizing Committee.
Workshop “Thermodynamic Formalism: Non-additive Aspects and Related Topics”, 14-19.05.2023, Będlewo; K. Frączek – a member of the Organizing Committee.
School “Ergodic theory and parabolic dynamics”, 22.05.2023 – 03.06.2023, IMPAN, Warsaw; P. Berk and K. Frączek – the main organizers.
Conference “Nilpotent structures in topological dynamics, ergodic theory and combinatorics”, 04-10.06.2023, Będlewo; K. Frączek – a member of the Organizing Committee.
Meeting “Women in science!” within “Perspektywy Women in Tech Summit 2023”, 15.06.2023, Warszawa; J. Kułaga-Przymus – a co-organizer.
Meeting “Zostań badaczką! Kobiety w nauce 2023”, 17.11.2023, Toruń; J. Kułaga-Przymus – a co-organizer.
P. Berk, A. Dymek, K. Frączek, J. Kułaga-Przymus were the main organizers of the “Wandering Seminar in Dynamical Systems 2024”, 10-12.10.2024, NCU, Toruń.
B. Bieganowski was a member of the Organizing Commitee of “Summer School on Calculus of Variations: variational and geometrical methods”, Warsaw, Poland, 10.06.2024 – 14.06.2024.
B. Bieganowski was a member of the Organizing Commitee of “Symposium on Nonlinear Analysis”, Toruń, Poland, 17.06.2024 – 21.06.2024
B. Bieganowski was a co-organizer of a session “Variational and topological methods in PDEs” during “9th European Congress of Mathematics”, Seville, Spain, 15.07.2024 – 19.07.2024.
B. Bieganowski was a member of the Organizing Commitee of “Patterns in solutions to the incompressible Euler equation”, Będlewo, Poland, 4.08.2024 – 9.08.2024.
B. Bieganowski was a member of the Organizing Commitee of a conference “Variational methods in applications to PDEs”, Będlewo, Poland, 26.08.2024 – 30.08.2024.
K. Frączek was a member of the Organizing Committee of the conference “Ergodic group actions and unitary representations”, 16 June 2024 – 20 June 2024, Warszawa.
K. Frączek was a member of the Organizing Committee of the conference “On geometric complexity of Julia sets V”, 21.07-26.07.2024, Będlewo.
T. Klimsiak was a member of the Scientific Committee of the conference “Probability and Analysis 2024”, 22-26.04.2024, Będlewo.
J. Kułaga-Przymus was a a member of the scientific committee of “Wandering Seminar in Dynamical Systems, B-free systems and generalizations”, Kraków, Poland, 6-9.06.2024.
J. Kułaga-Przymus was a a member of the organizing committee “Contemporary Harmonic Analysis and its Synergies”, Warsaw, 8-14.09.2024.
J. Kułaga-Przymus was a a member of the organizing committee “Zostań badaczką! Kobiety w nauce 2024” – one day cyclic meeting organized by The Polish Young Academy PAS for high school students and university students to promote the career path of a scientist.
M. Lemańczyk was a member of the Scientific Committee of the European Congress of Mathematics (Sevilla 2024).
Y. Tomilov was a co-organiser (together with E. Abakumov, S. Grivaux, S. Kupin) of the conference “Shapes and shades of Analysis”, in honor of A. Borichev, CIRM (Luminy), 29 April- 3 May, 2024.
Y. Tomilov was an organiser of the workshop “Damped waves”, IM PAN, Warsaw, 18-20 September 2024.
Y. Tomilov was a co-organiser of the lecture “Hankel operators”, by A. Pushnitski (King’s College, London), 18-25.05. 2024.
Y. Tomilov was an organiser of the workshop “Damped waves” and scientific meeting in the framework of the IMPRESS U grant (speakers: Y. Latushkin, J, Zweck, J. Rozendaal, J. Mederski, V. Pivovarchik, S. Krol, J. Sarnowski, R. Schnaubelt), IMPAN Warszawa, 16-26.09.2024.