Dynamics and Ergodic Theory
Seminars 20202023
20200107  Adam Kanigowski  University of Maryland  USA 
Twierdzenie o liczbach pierwszych w ukladach dynamicznych

20200113  Adam Kanigowski  University of Maryland  USA 
Twierdzenie o liczbach pierwszych w ukladach dynamicznych

20200128  Wojciech Bulatek  Nicolaus Copernicus University in Toruń  Poland 
Deterministyczny automorfizm topologiczny z niedeterministycznym odwrotnym

20200303  Mariusz Lemanczyk  Nicolaus Copernicus University in Toruń  Poland 
Uogólnienie dynamiczne twierdzenia o liczbach pierwszych (na podstawie artykulu V. Bergelsona i F. Richtera)

20200310  Joanna KulagaPrzymus  Nicolaus Copernicus University in Toruń  Poland 
Uogólnienie dynamiczne twierdzenia o liczbach pierwszych (na podstawie artykulu V. Bergelsona i F. Richtera)

20200505  Adam Spiewak  Uniwersytet Warszawski  Poland 
Metric mean dimension and analog compression

20200513  Andreas Koutsogiannis  Ohio State University  USA 
Multiple ergodic averages for suitable sequences

20200519  Clemens Müllner  TU Wien  Austria 
Multiplicative automatic sequences

20200526  Dominik Kwietniak  The Jagiellonian University  Poland 
Entropy, fbar and Abramov’s formula for the entropy of induced transformations

20200603  Florian K. Richter  Northwestern University  USA 
Dynamical generalizations of the Prime Number Theorem and disjointness of additive and multiplicative actions

20200616  Olivier Ramaré  CNRS / Aix Marseille University  France 
A gentle stroll around the Goldbach's conjecture

20201006  Maciej Wojtkowski  Opole University  Poland 
The density of prime divisors of the Fibonacci sequence

20201013  Welington Cordeiro  Nicolaus Copernicus University in Toruń  Poland 
Beyond topological hyperbolicity

20201027  Nishant Chandgotia  Hebrew University  Israel  Predictive sets 
20201103  Daniel Sell  Nicolaus Copernicus University in Toruń  Poland 
Simple Toeplitz subshifts and leading sequences

20201110  Daniel Sell  Nicolaus Copernicus University in Toruń  Poland 
On subshifts with leading sequences

20201117  Welington Cordeiro  Nicolaus Copernicus University in Toruń  Poland 
The spectral decomposition theorem beyond topological hyperbolicity

20201124  Vered RomKedar  The Weizmann Institute  Israel 
Hamiltonian flows with impacts and flows on translational surfaces

20201201  Adam Kanigowski  University of Maryland  USA 
Properties of smooth systems I — exponential mixing and Bernoullicity

20201208  Jon Aaronson  Uniwersytet w Tel Awiwie  Israel 
Tied down renewals & mixing properties of ergodic, infinite measure preserving transformations

20201215  Adam Kanigowski  University of Maryland  USA 
Properties of smooth systems II — new examples satisfying central limit theorem

20210105  Zemer Kosloff  Hebrew University  Israel 
Factors of nonsingular Bernoulli shifts

20210112  Sebastian Zuniga Alterman  Nicolaus Copernicus University in Toruń  Poland 
On a logarithmic sum related to the Selberg sieve

20210119  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

20210126  Jacek Miekisz  Warsaw University  Poland 
Gibbs measures in microscopic models of quasicrystals

20210223  Minsung Kim  Nicolaus Copernicus University in Toruń  Poland 
Effective equidistribution of higher step nilflows

20210316  Minsung Kim  Nicolaus Copernicus University in Toruń  Poland 
Limit distribution of higher rank actions for Heisenberg nilmanifolds

20210323  Gerhard Keller  University of ErlangenNuremberg  Germany 
Generalized heredity in Bfree systems

20210413  Frank TrThe Jagiellonian Universityillo  University of Zurich  Switzerland 
A very short introduction to KAM theory

20210420  Frank TrThe Jagiellonian Universityillo  University of Zurich  Switzerland 
A very short introduction to KAM theory

20210427  Nikos Frantzikinakis  University of Crete  Greece 
Furstenberg systems of bounded sequences

20210506  Maksym Radziwill  Caltech  USA 
Expansion and parity

20211005  Andreu Ferre Moragues  Ohio State University  USA 
Polynomial ergodic averages for certain countable ring actions

20211012  Rafael Tiedra de Aldecoa  Pontifical Catholic University of Chile  Chile 
Spectral and scattering properties of quantum walks on homogenous trees of odd degree

20211019  Krzysztof Fraczek  Nicolaus Copernicus University in Toruń  Poland 
A new elementary proof of the Prime Number Theorem, after Florian Richter

20211026  Rafael Tiedra de Aldecoa  Pontifical Catholic University of Chile  Chile 
Decay estimates for unitary representations with applications to continuous and discretetime models

20211109  Krzysztof Fraczek  Nicolaus Copernicus University in Toruń  Poland 
A new elementary proof of the Prime Number Theorem, after Florian Richter (part 2)

20211116  Sébastien Ferenczi  Aix Marseille Université, CNRS  France 
Languages of (more and more) general interval exchanges

20211123  Joanna KulagaPrzymus  Nicolaus Copernicus University in Toruń  Poland 
Convolution systems: examples and properties

20211201  Slawomir Solecki  Cornell University  USA 
Closed groups generated by generic measure preserving transformations

20211207  Jamerson Bezerra  IMPA  Brazil 
Geometry of horseshoes (part 1)

20211214  Jamerson Bezerra  IMPA  Brazil 
Geometry of horseshoes (part 2)

20211221  Daniel Sell  Nicolaus Copernicus University in Toruń  Poland 
On the Garden of Eden theorem for Bfree subshifts

20220104  Aurelia Dymek  Nicolaus Copernicus University in Toruń  Poland 
Automorphism group of minimal Bfree subshifts (part 1)

20220111  Aurelia Dymek 
Nicolaus Copernicus University in Toruń

Automorphism group of minimal Bfree subshifts (part 2)


20220118  Christoph Richard  University of ErlangenNuremberg  Germany 
On the Garden of Eden theorem for Bfree subshifts

20220125  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

20220208  Michal Lemanczyk  Warsaw University  Poland 
Uniqueness of the equilibrium measure for convolution systems and potentials depending on onecoordinate.

20220222  Klaudiusz Czudek  Nicolaus Copernicus University in Toruń  Poland 
Central limit theorem for random rotations

20220301  Klaudiusz Czudek  Nicolaus Copernicus University in Toruń  Poland 
Central limit theorem for random rotations

20220308  Rodrigo Bissacot  Nicolaus Copernicus University in Toruń  Poland 
Phase Transitions on Markov Shifts. Old and New.

20220315  Rodrigo Bissacot  Nicolaus Copernicus University in Toruń  Poland 
Phase Transitions on Markov Shifts. Old and New. (part 2)

20220322  Thiago Raszeja  AGH University of Krakow  Poland 
Generalized thermodynamic formalism: generalized Markov shift spaces

20220329  Thiago Raszeja  AGH University of Krakow  Poland 
Generalized thermodynamic formalism: new measures, pressure, and phase transitions.

20220405  Przemyslaw Berk  Nicolaus Copernicus University in Toruń  Poland 
Backward RauzyVeech algorithm and horizontal saddle connections

20220426  Michal Rams  IM PAN  Poland 
Birkhoff weighted averages

20220510  Jamerson Bezerra  IMPA  Brazil 
Regularity of Lyapunov exponents of random product of matrices

20220517  Stanislaw Kasjan  AGH University of Krakow  Poland 
On transitivity of Badmissible systems and Behrend sets inducing systems of large complexity

20220524  Sebastian Alterman  AGH University of Krakow  Poland 
Complexity of prime and semiprime subshifts

20220530  Alexander Borichev  Marseille University  Francja 
Zeros of Taylor series with random and pseudorandom coefficients

20220531  Mihajlo Cekić  University of Zurich  Switzerland 
Ergodicity of frame flows on evendimensional manifolds

20220614  Jamerson Bezerra  IMPA  Brazil 
Regularity of Lyapunov exponents of random product of matrices (Part II)

20221011  Daniel Sell  Nicolaus Copernicus University in Toruń  Poland 
Characterising periodic structures in Bfree Toeplitz words

20221018  Przemyslaw Berk  Nicolaus Copernicus University in Toruń  Poland 
Rigidity of linearisation for piecewise smooth circle maps.

20221025  Kasun Fernando  Scuola Normale Superiore di Pisa  Italy 
The bootstrap for dynamical systems

20221108  Aurelia Dymek  Nicolaus Copernicus University in Toruń  Poland 
Automorphisms of Bfree and other Toeplitz shifts

20221115  Sohail Farhangi  Adam Mickiewicz University  Poland 
The Ergodic Hierarchy of Mixing, van der Corput's difference theorem, and Katai's orthogonality criterion

20221122  Przemyslaw Berk  Nicolaus Copernicus University in Toruń  Poland 
Ergodicity of explicit logarithmic cocycles over IETs

20221129  Joanna KulagaPrzymus  Nicolaus Copernicus University in Toruń  Poland 
Minimality of Bfree systems

20221206  Minsung Kim  Scuola Normale Superiore, Pisa  Italy 
Deviation spectrum of Birkhoff integrals for locally Hamiltonian flows on compact surfaces.

20230110  Stavroula Makri  Nicolaus Copernicus University in Toruń  Poland 
Braid groups of the projective plane and the splitting problem

20230117  Davide Ravotti  University of Vienna  Austria 
Horocycle flows on Abelian covers of hyperbolic surfaces

20230124  Jamerson Bezerra  IMPA  Brazil 
Lagrange spectrum for typical diffeomorphisms

20230131  Przemyslaw Berk  Nicolaus Copernicus University in Toruń  Poland 
Symmetric skew products with cocycle given by indicator of (0,1/2)

20230222  Rodolfo GutierrezRomo  Center for Mathematical Modeling at Universidad de Chile  Chile 
Hausdorff dimension in Lagrange and Markov spectra

20230314  Joanna KulagaPrzymus  Nicolaus Copernicus University in Toruń  Poland 
Convolution and biconvolution systems

20230404  Stanislaw Kasjan  Nicolaus Copernicus University in Toruń  Poland 
On a property of ideals connected with Toeplitz Bfree systems

20230418  Dominik Kwietniak  The Jagiellonian University  Poland 
Choquet simplices as spaces of invariant probability measures of minimal homeomorphisms on manifolds

20230509  Olena Karpel  AGH University of Krakow  Poland  TBA 
20231017  Adam Spiewak  IM PAN  Poland 
Dimension and absolute continuity of invariant measures on selfconformal sets with overlaps

20231024  Gregory Debruyne  Ghent University  Belgium 
Onesided Tauberian theorems and the prime number theorem

20231107  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’’, 1620.08.2021, IMPAN, Będlewo; K. Frączek – a member of the Organizing Committee.
 Conference „Hyperbolic interweaving in dynamics”, 0608.09.2021, IMPAN, Będlewo; W. Codeiro – a member of the Organizing Committee.
 The Simons Focus Group “Spectral theory: in depth, around, and beyond”, IM PAN, 29.0510.06.2022. Y. Tomilov – the main organizer.
 Conference “Operators, Functions, Systems: Classical and Modern” in honor of N.K. Nikolski, Będlewo, 1218.06.2022; Y. Tomilov – the main organizer.
 Conference “New Challenges in Operator Semigroups” in honor of C. Batty, Oxford, 1822.07.2022; Y. Tomilov – the main organizer.
 Conference “Advances in Representation Theory of Algebras” (ARTA), 1923.09.2022, Toruń; S. Kasjan – a member of the Organizing Committee.
 Winter School “Geometric and Topological Methods in Dynamics of PDEs”, 1315.02.23, Nicolaus Copernicus University, Toruń; B. Bieganowski – a member of the Organizing Committee.
 “Workshop on Dynamics, Discrete Analysis and Multiplicative Number Theory”, 27.023.03.2023, 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: Nonadditive Aspects and Related Topics”, 1419.05.2023, 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”, 0410.06.2023, 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. KułagaPrzymus – a coorganizer.
 Meeting “Zostań badaczką! Kobiety w nauce 2023”, 17.11.2023, Toruń; J. KułagaPrzymus – a coorganizer.