Inicjatywa Doskonałości - Uczelnia Badawcza

Uniwersyteckie Centrum Doskonałości „Dynamika, analiza matematyczna i sztuczna inteligencja”

Kontaktul. Gagarina 11, 87-100 Toruń
e-mail: damsi@umk.pl

Dynamika i teoria ergodyczna

Wizyty naukowe oraz wystąpienia na konferencjach i seminariach

2020

Przemysław Berk

  1. Post-doc position in Univeristy of Rouen (France), 9.2019-9.2020.
  2. Post-doc position in University of Zurich (Switzerland), 9.2020-9.2021.

Bartosz Bieganowski

  1. Research visit to Karlsruhe Institute of Technology (Germany), 10-14.02.2020; seminar talk: Bound states for the Schrödinger equation with mixed-type nonlinearites.
  2. Online seminar, the Polytechnic University of Lodz (Poland), 15.05.2020; seminar talk: Normalized ground states of the nonlinear Schrödinger equation with at least mass critical growth.

Aurelia Dymek

  1. Wandering Seminar. A conference on Ergodic Theory and Dynamical Systems, Gdańsk (Poland), 27.02-1.03.2020, talk: Automorphisms of B-free systems.

Krzysztof Frączek

  1. Visiting professor in Université de Rouen Normandie, 5-11.01.2020; Groupe de travail en Probabilités, seminar talk: Théorie Ergodique et Systèmes Dynamiques pt. On the billiard flow on nibbled ellipses.
  2. Online seminar, Séminaire de Systèmes Dynamiques-Paris, 3.07.2020; seminar talk: Recurrence of a.a. elements for smooth curves in the moduli space of translation surfaces and two applications.

Anna Gołębiewska

  1. Conference “Celestial mechanics and beyond” Puebla (Mexico), 9-13.03.2020; talk: Continuation of closed orbits from equilibria of Hamiltonian systems with Coriolis forces.

Joanna Kułaga-Przymus

  1. Online seminar, Dynamical Systems Seminar, Jagiellonian University, 9.10.2020; seminar talk: Entropy rate of product of independent processes.
  2. Online seminar, Dynamics Seminar, University of Maryland, 12.11.2020; seminar talk: Entropy rate of product of independent processes.

Mariusz Lemańczyk

  1. Visiting professor in Université de Normandie (Rouen) – February 2020.

2021

Przemysław Berk

  1. Workshop “Dynamische Systeme”, Oberwolfach, 11-17.07.2021, talk: Disjointness of translation flows with their inverses.
  2. Conference “SwissMAP Annual General Meeting”, Les Diablerets, Switzerland, 12-15.09.2021, talk: Linear rescalings of flows on surfaces.

Bartosz Bieganowski

  1. Conference “XII Forum of Partial Differential Equations”, Będlewo, 19-25.09.2021, invited talk: Normalized ground states of the nonlinear Schrödinger equation with at least mass critical growth.
  2. Seminar Differential Equations and Dynamical Systems at Faculty of Pure and Applied Mathematics, Wroclaw University of Science and Technology, 18.10.2021, seminar talk: Fractional Schroedinger equations with Hardy-type potentials.

Aurelia Dymek

  1. Online seminar, Dynamical Systems Seminar, Jagiellonian University, 26.03.2021, seminar talk: Topological dynamics of multidimensional B-free systems: proximality, minimality and the maximal equicontinuous factor.
  2. Online seminar, Ergodic Theory Seminar, Ohio State University, 26.08.2021, seminar talk: Topological dynamics of (multidimensional) B-free systems.

Krzysztof Frączek

  1. Conference ”First Dynamical Systems Summer Meeting’’, 16-20.08.2021 Będlewo, invited talk: Recurrence for smooth curves in the moduli space of translation surfaces.

Minsung Kim

  1. Probability seminar, IMPAN, Sopot 4.11.2021, seminar talk.
  2. Analysis seminar, Saitama University, Saitama, Japan (online), 4.10.2021, seminar talk.
  3. Seminar in Ergodic theory and Dynamical systems, POSTECH, Pohang, Korea (online), 15.9.2021, seminar talk.
  4. Seminar in Ergodic theory and Dynamical systems, KIAS, Seoul, Korea (online), 11.8.2021, seminar talk.

Tomasz Klimsiak

  1. Seminar: Non-local operators, probability and singularities, Wrocław University of Science and Technology (Poland), Faculty of Pure and Applied Mathematics, seminar talk: Schrödinger equations with smooth measure potential and general measure data, 25.05.2021.

Joanna Kułaga-Przymus

  1. “8th European Congress of Mathematics”, 20-26.06.2021, Portoroz. Invited (online) talk („A journey from pure to applied mathematics” section): On arithmetic functions orthogonal to deterministic sequences.
  2. Conference “First Dynamical Systems Summer Meeting”, 16-20.08.2021, Będlewo. Invited talk: Entropy rate of product of independent processes.

Mariusz Lemańczyk

  1. “Maryland Spring Conference” (online) 2021. Invited talk: Spectral theory, Ratner properties and Furstenberg disjointness.
  2. Conference “First Dynamical Systems Summer Meeting”, Będlewo, 16-20.08.2021. Invited talk: On Furstenberg systems of some aperiodic multiplicative functions.
  3. Ohio State University, seminar talk (online): On Furstenberg systems of some aperiodic multiplicative functions.
  4. Excellence Center DAMSI, seminar talk (online): Sarnak’s conjecture on Moebius orthogonality.

2022

Przemysław Berk

  1. Visiting professor, University of Zurich, Switzerland, 4.09-10.09.2022.
  2. Conference “Combinatorics, Dynamics and Geometry on Moduli Spaces”, 19.09-23.09, Marseille, France, poster: Backward Rauzy-Veech Algorithm and Horizontal Saddle Connections.

Jamerson Bezerra

  1. Visiting professor, Faculty of sciences of Lisbon University, 01-05.02.22, Lisbon, Portugal.
  2. Visiting professor, IMPA, 13-26.02.22, Rio de Janeiro, Brasil.
  3. Visiting professor, Ecole Polytechnique 08-24.04.22, Paris, France.
  4. Visiting professor, Faculty of sciences of Lisbon University, 07-14.07.22, Lisbon, Portugal.
  5. Visiting professor, Federal University of Alagoas, 03-13.09.22, 02-23.10.22, Alagoas, Brasil.
  6. LxDS seminar, Faculty of sciences of Lisbon University, Portugal, 02.02.22, seminar talk: Analiticity of Lyapunov exponents of random product of quasi-periodic cocycles.
  7. Workshop ”New trends in Lyapunov exponents”, Lisbon, Portugal, 07-11.02.22, talk: Geometric upper bound for the regularity of Lyapunov exponent of random product of matrices.
  8. Dynamical systems seminar (online), Porto University, Portugal, 04.03.22, seminar talk: Regularity of Lyapunov exponents of random product of matrices.
  9. Workshop ”Topology and dynamics” (online), Fluminense Federal University, Brazil, 09-16.03.22, talk: Positivity of the Hausdorff dimension of generic dynamically defined Lagrange spectra.
  10. LxDS seminar (online), Faculty of sciences of Lisbon University, Portugal, 23.03.22, seminar talk: Positivity of the Hausdorff dimension of generic dynamically defined Markov and Lagrange spectra.
  11. Ergodic theory and dynamical systems seminar, Federal University of Alagoas, Brazil, 09.09.22, seminar talk: Lyapunov exponents of linear cocycles.
  12. Ergodic theory and dynamical systems seminar (online), POSTECH, Korea, 19.10.22, seminar talk: Regularity of the Lyapunov exponent of random product of matrices.

Bartosz Bieganowski

  1. Conference “Nonuniformly elliptic problems”, 05-09.09.2022, Warszawa, invited talk: Strongly indefinite variational problems with sign-changing nonlinearities.
  2. Conference “Topics in variational problems arising from models in physics”, 24-29.07.2022, Będlewo, invited talk: Normalized ground states of the nonlinear Schrödinger equation with at least mass critical growth.
  3. Conference “Equadiff”, 11-15.07.2022, Brno, Czechia; invited (within a mini-symposium) talk: Normalized ground states of the nonlinear Schrödinger equation with at least mass critical growth.
  4. “School on nonlinear PDEs”, 15-21.05.2022, Warszawa, invited talk: Normalized ground states of the nonlinear Schrödinger equation with at least mass critical growth.
  5. Confrerence “Recent trends in nonlinear and dispersive equations: equilibria, stability, dynamics”, 01-07.05.2022, Będlewo, invited talk: Normalized ground states of the nonlinear Schrödinger equation with at least mass critical growth.

Rodrigo Bissacot

  1. Visiting professor, Universite de Bordeaux, France,15-29.05.2022.
  2. Visiting professor, Universitity of Sao Paulo (USP), Brazil, 13-28.10.2022.
  3. Applied Mathematics Seminar – SOTO 80. In memoriam of Jorge Sotomayor. Federal University of Itajuba, UNIFEI. Itajuba, Brazil, 26.04.2022, seminar talk: Mathematical Phase Transitions.

Klaudiusz Czudek

  1. “2022 PIMS-CRM Summer School in Probability”, 30.05-15.06.2022, Vancouver, Canada, talk: CLT for additive functionals of random circle rotations.
  2. “Minikonferencja PTM”, 2-3.06.2022, Warsaw (online, in Polish), talk: Centralne twierdzenie graniczne dla losowych obrotów okręgu.
  3. Conference “Geometry of deterministic and random fractals”, 27.06-1.07.2022, Budapest, Hungary, talk: Counterexamples to CLT for random rotations.
  4. Conference “Probabilistic methods in random and time-varying dynamical systems”, 2.10-7.10.2022, Luminy, France, (invited speaker), talk: Simple symmetric random walks on the circle.
  5. Institute of Mathematics-Universidade Federal do Rio de Janeiro, Dynamical systems seminar, 6.05.2022, online seminar talk: CLT for random rotations.
  6. Wrocław University, Seminar of probability theory and stochastic modelling, 26.05.2022, seminar talk: CLT for random rotations.
  7. IM PAN, Dynamical systems seminar, 19.09.2022, seminar talk: Simple symmetric random walks on the circle.
  8. IM PAN, Seminar of aproximation theory and stochastic analysis, 20.10.2022, seminar talk: Simple symmetric random walks on the circle
  9. KTH Royal Institute of Technology, Stockholm, Sweden, 20.10.2022, online seminar talk: Simple symmetric random walks on the circle.

Krzysztof Frączek

  1. Visiting professor, Institute for Advanced Studies, Princeton, USA,7-16.11.2022.
  2. Visiting professor, University of Maryland, College Park, USA, 16-25.2022.
  3. Seminar on Dynamical Systems at IMPAN, 21.02.2022, online seminar talk: Deviation spectrum of ergodic integrals for locally Hamiltonian flows on surfaces.
  4. Special Year Research Seminar, Institute for Advanced Studies, Princeton, USA, 8.11.2022, talk: Deviation spectrum of ergodic integrals for locally Hamiltonian flows on surfaces.
  5. Dynamical Systems Seminar, University of Maryland, College Park, USA, 22.11.2022, talk: Deviation spectrum of ergodic integrals for locally Hamiltonian flows on surfaces.

Anna Gołębiewska

  1. Conference “Topological Methods in Nonlinear Analysis: Recent Advances; Professor Andrzej Granas Memorial Conference’’, 4-8.07.2022, Montreal, Canada, invited talk: Global bifurcation from equilibria of autonomous Hamiltonian systems.
  2. Conference “New Trends on bifurcations in ordinary differential equations’’, 6-9.09.2022, Barcelona, Spain, talk: Global bifurcation of closed orbits from equilibria of Hamiltonian systems.

Aleksander Gomilko

  1. Conference “33rd International Workshop on Operator Theory ana Applications – IWOTA 2022”, 6-10.09.2002, Kraków, Poland, talk: A new approach to rational approximation of operator semigroups.

Minsung Kim

  1. Visiting professor, Centro De Giorgi (Sculola Normale Superiore), Pisa, Italy, April 26 – 30, 2022.
  2. Visiting professor, Universita di Roma (Tor Vergata), Rome, Italy, June 12 – 19, 2022.
  3. Zoominar in Dynamical Systems at Porto, June 2022, online seminar talk: Deviation spectrum of ergodic integrals for locally Hamiltonian flows on surfaces.
  4. Ergodic theory and Dynamical systems, POSTECH, Pohang, Korea, May 2022, online seminar talk: Deviation spectrum of ergodic integrals for locally Hamiltonian flows on surfaces.
  5. Dynamics seminar, Centro De Giorgi (Sculola Normale Superiore), Pisa Apr 2022, seminar talk: Effective equidistribution for generalized higher step nilflows.
  6. Dynamics seminar, IMPAN (Polish Academy of Sciences), Warsaw, Poland, March 2022, seminar talk: Effective equidistribution for generalized higher step nilflows.

Tomasz Klimsiak

  1. Conference “Probability and Analysis 2022”, Wrocław, 19-23.09.2022, talk: Asymptotics for degenerate logistic equations with Dirichlet fractional Laplacian.
  2. Conference “Advances in Stochastic Control and Optimal Stopping with Applications in Economics and Finance”, 12-16.09.2022, CIRM Luminy, France, talk: Reflected BSDEs with integrable data – existence, a priori estimates and related non-linear Dynkin games.
  3. Conference “IFIP TC7 System Modeling and Optimization”, 4-8.07.2022, Warsaw University of Technology, invited lecture: Non-semimartingale solutions to reflected BSDEs with applications to non-linear Dynkin games.
  4. “MFO-RIMS Tandem Workshop: Nonlocality in Analysis, Probability and Statistics”, 20-26.03.2022, Oberwolfach, Mathematisches Forschungsinstitut Oberwolfach, Germany, invited lecture: Elliptic (non-local) PDEs with singular data – the method of orthogonal projection.
  5. Conference “Kolmogorov operators and their applications”, 12-18.07.2022, Cortona, Italy, invited lecture: Strong maximum principle for local and non-local Schrodinger operators with singular potential.
  6. Wrocław University of Science and Technology, Seminar on Markov Semigroups and Schroedinger Operators, 29.04.2022, seminar talk: Lematy typu Hopfa dla podrozwiazan równan całkowo-rózniczkowych.

Joanna Kułaga-Przymus

  1. Dynamical Systems seminar, The Open University, UK, 1.06.2022, online seminar talk: Around Sarnak’s conjecture.

Mariusz Lemańczyk

  1. Conference “ICM 2022”, invited online talk: Furstenberg disjointness, Ratner properties and Sarnak’s conjecture.
  2. Conference “Dynamics Week in Jerusalem, Ergodic Theory and Beyond”, 1-8.07.2022, online talk: Furstenberg disjointness, Ratner properties and Sarnak’s conjecture.
  3. Conference “Elementare und Analytische Zahlentheorie (ELAZ)”, 22-26.08.2022, Poznań; plenary talk: On autocorrelations of some aperiodic multiplicative functions.
  4. Conference “Recent Advances in Dynamics, Geometry, and Number Theory. Conference in honor of Svetlana Katok’s birthday”, 28.08.2022 PennState University, USA, talk: On Furstenberg systems of some aperiodic multiplicative functions.
  5. Penn State University: two seminar talks Furstenberg disjointness and Sarnak’s conjecture and Möbius orthogonality in topological models of ergodic automorphisms.
  6. Visiting professor, Penn State University, USA, 29-31.08.2022.
  7. Membership, Institute for Advanced Studies, Princeton, USA, 1.09.2022-31.07.2023.

Jarosław Sarnowski

  1. Research visit, UAM, Poznań, December 2022.

Daniel Sell

  1. “Summer School on Aperiodic Order”, 6-9.09.2022, Edmonton, Canada, talk: Periodic structures in B-free Toeplitz subshifts.
  2. “Workshop on Functional Analysis, Operator Theory and Dynamical”, 19-22.09.2022, Potsdam, Germany, talk: About endomorphisms of B-free, B-admissible subshifts.

Yuriy Tomilov

  1. Conference „Special Session of PTM”, IM PAN, 2-3.06.2022, talk: O reprezentacjach macierzowych operatorów liniowych na przestrzeni Hilberta.
  2. “International conference on operator theory and its applications (IWOTA)”, Kraków, Poland, 06-10.09.2022, two talks (semi-plenary and invited): Functional calculi for semigroup generators: in depth, around and beyond. What can spectral theory do for (nonlinear) instability?
  3. Functional Analysis Seminar, Delft University of Technology, 12.02.2022, seminar talk: A Besov algebra calculus for semigroup generators and its applications.

2023

Przemysław Berk

  1. Visiting professor, 26.02-04.03.2023, Institute Fourier, Grenoble, France.
  2. Visiting professor, 23.04-29.04.2023, University of Vienna, Austria.
  3. Visiting professor, 14.06-14.07.2023, Universität Zürich, Switzerland.
  4. Visiting professor, 6.09-30.09.2023, University of Utah (Salt Lake City) and University of Maryland (College Park), USA.
  5. Visiting professor, 8.12-14.12.2023, Université de Rouen Normandie, France.
  6. Séminaire de Topologie, Institute Fourier, Grenoble, France 3.03.2023, seminar talk: Ergodicity of skew products over symmetric interval exchange transformations.
  7. Seminar Ergodic Theory and Dynamical Systems, University of Vienna, Austria, 27.04.2023, seminar talk: Ergodicity of skew products over symmetric interval exchange transformations.
  8. Max Dehn Seminar on Geometry, Topology, Dynamics, and Groups, University of Utah, Salt Lake City, USA, 13.09.2023, seminar talk: Disjointness of translation flows with their inverses.
  9. Dynamics Seminar, University of Maryland, College Park, USA, 28.09.2023, seminar talk: Ergodicity of infinite symmetric extensions of IETs.
  10. Seminar on Dynamical Systems at IMPAN, Warszawa, 23.10.2023, seminar talk: Rigidity of linearisation for piece-wise smooth circle maps.

Jamerson Bezerra

  1. Visiting professor, Centro di Ricerca Matematica Ennio De Giorgi, Scuola Normale Superiore at Pisa, Italy, 25-31.03.2023.
  2. Visiting professor, Faculty of sciences of Lisbon University, Portugal, 09-20.07.2023.
  3. School and Workshop “Ergodic theory and parabolic dynamics”, Warszawa, Poland, 22.05.23-03.06.23, talk: Regularity of Lyapunov exponent of linear cocycles.

Bartosz Bieganowski

  1. Visiting professor, 11-15.09.2023, Politecnico di Bari, Italy.

Aurelia Dymek

  1. Postdoc position in University of Vienna, 6.02-4.08.2023, supervisor: prof. Henk Bruin, research on chaos in B-free subshifts.
  2. Seminar on Ergodic Theory and Dynamical Systems University of Vienna, seminar talks: Minimality of B-free systems (in number fields), 2.09.2023 and 9.09.2023.

Krzysztof Frączek

  1. Visiting professor, Scuola Normale Superiore di Pisa, Italy, 26.02-04.03.2023.
  2. “DynamIST Seminar”, Institute of Science and Technology Austria, Klosterneuburg, 14.02.2023, seminar talk: Deviation spectrum of ergodic integrals for locally Hamiltonian flows on surfaces.
  3. “Seminari di Sistemi Dinamici”, Scuola Normale Superiore di Pisa, Italy, 02.03.2023, seminar talk: Deviation spectrum of ergodic integrals for locally Hamiltonian flows on surfaces.
  4. Conference “Probability and Dynamics”, Roscoff, France, 08-12.05.2023, talk: Deviation spectrum of ergodic integrals for locally Hamiltonian flows on surfaces.
  5. “Conference on Dynamics and Finance: from KAM Tori to ETFs”, Trieste, Italy, 09-13.10.2023, talk: Deviation spectrum of ergodic integrals for locally Hamiltonian flows on surfaces

Anna Gołębiewska

  1. “Workshop on Differential Equations and Their Applications”, 02-08.07.2023, Będlewo, Poland, talk: Bifurcation of closed orbits from equilibria of Newtonian systems with Coriolis forces.

Stanisław Kasjan

  1. Visiting professor, IAS Princeton, USA, 04-11.06.2023.

Tomasz Klimsiak

  1. Conference “Nonlocal Operators and Markov Processes”, Będlewo, 20-24.03.2023, talk: Harmonically small solutions to the Dirichlet problem for semilinear partial integro-differential equations.
  2. Conference “Stochastic modeling and control”, 8-13.05.2023 Będlewo, Poland, talk: Nonlinear reflected BSDEs and their applications to Dynkin games: beyond the semimartingale framework.

Joanna Kułaga-Przymus

  1. Visiting professor, 20-26.02.2023, Princeton IAS, USA.
  2. “Workshop on Dynamics, Discrete Analysis and Multiplicative Number Theory”, 27.02-04.03.2023, Institute for Advanced Study, Princeton, USA, talk: Thermodynamic Formalism for B-free Dynamical Systems.
  3. Conference “Thermodynamic Formalism: Non-additive Aspects and Related Topics”, 16-17.05.2023, Będlewo, talk: Thermodynamic formalism for B-free systems.
  4. Conference “Numbers in the Universe: recent advances in number theory and its applications”, 9-11.08.2023, Warsaw/Kiev, Poland/Ukraine, talk: Introduction to Sarnak’s conjecture – II.
  5. Conference Journées de dynamique, 4-6.10.2023, Paris, France, talk: Invariant measures for B-free systems and beyond.

Mariusz Lemańczyk

  1. Special Year Research Seminar, Institute for Advanced Studies, Princeton, USA, 17.01.2023, seminar talk: On Furstenberg systems of a class of multiplicative functions.
  2. Dynamical Systems Seminar, University of Maryland, College Park, USA, 2.05.2023, seminar talk: Characteristic classes in ergodic theory and Sarnak’s conjecture.
  3. Conference “Numbers in the Universe: recent advances in number theory and its applications”, 9-11.08.2023, Warsaw/Kiev, Poland/Ukraine, talk: Introduction to Sarnak’s conjecture – I.

Stavroula Makri

  1. Workshop “Topology BTW3: Morse and Floer Theories”, 30 January-03 February 2023, CIRM, France, talk: The Fukaya category.

Graccyela Salcedo

  1. Research visit, Department of Mathematics, Jagiellonian University, 01.10.2023- 07.10.2023, Krakow.
  2. Dynamical Seminar at the Jagiellonian University, Kraków, 06.10.2023, seminar talk: Contracting on average IFSs on the circle by a metric change.
  3. Research visit, Laboratoire d’Analyse et de Mathematiques Appliquees of Universite Gustave Eiffel. 16 – 27.10.2023, Paris.


Jarosław Sarnowski

  1. Seminar of Operator Theory at Adam Mickiewicz University in Poznań, Poland, seminar talks 03.01.23 and 10.01.23.
  2. Conference IWOTA (Internation Workshop on Operator Theory), 30.07.23-05.08.23, Helsinki, Finland, talk: Extrapolation of boundedness of periodic Fourier multipliers.

Daniel Sell

  1. Research visit at Friedrich Schiller University Jena (Germany); 10.04.2023 – 16.04.2023.
  2. Research Seminar on Dynamical Systems and Mathematical Physics, 13.04.2023, Friedrich Schiller University Jena, Germany, seminar talk: Finitely many asymptotic classes in Toeplitz subshifts.
  3. 10th Visegrad Conference on Dynamical Systems, 29.06-01.07.2013, Łódź University, talk: On invariant measures of B-free subshifts.
  4. The annual conference of the German Mathematical Society (DMV), 25-28.089.2023, Technische Universität Ilmenau, Germany, talk: On entropy and invariant measures of B-free subshifts.

Yuriy Tomilov

  1. Visiting professor, Technical University Dresden, Germany, 03.02-11.02.2023.
  2. Visiting professor, Institute of Mathematics of the Czech Academy of Sciences, Prague, 31.03-14.03.20223.
  3. Session of laureates of Mlak and Opial Prize, 1-3.03.2034, Kraków, talk: Teoria operatorów a asymptotyka rozwiązań równań nieliniowych.
  4. “34th International Workshop on Operator Theory and its Applications” (IWOTA), Helsinki, Finland, 31.07-04.08.2023, two talks: Instability for semilinear evolution equations via operator theory, Rational Approximations of Semigroups Revisited.

2024

Przemysław Berk

  1. Research internship at Universität Zürich, 14.02-14.09.2024, Zurich, Switzerland. Host: Corinna Ulcigrai.

Jamerson Bezerra

  1. Research internship, April 15 – May 12, 2024, Center of Mathematics Laurent Schwartz, Ecole Polytechnique, France. Host: Carlos Matheus.
  2. Research intership, July 9 – August 3, 2024, Faculdade de ciencias da Universidade de Lisboa, Portugal. Host: Pedro Duarte.
  3. Research visit, 25.01-09.03.2024, Universidade Federal do Ceara (UFC), Brasil.
  4. Conference “Advances in Dynamics”, 12-17.08.2024, Shenzhen, China. Talk: Lyapunov exponents of products of random matrices.

Igor Białecki

  1. Conference “Equadiff 2024”, 10-14 June 2024, Karlstad, Sweden; talk: Continua of periodic solutions of autonomous Hamiltonian systems.

Bartosz Bieganowski

  1. “International Conference on Elliptic and Parabolic Problems”, 20.05.2024 – 24.05.2024, Gaeta, Italy. Talk: Semiclassical states for the curl-curl problem.
  2. Conference “VIII Symposium on Nonlinear Analysis”, 17.06.2024 – 21.06.2024, Toruń, Poland. Invited plenary lecture: Normalized ground states of the nonlinear Schrödinger equation with at least mass critical growth.
  3. Conference “XIII Forum of Partial Differential Equations”, 23.06.2024 – 29.06.2024, Będlewo, Poland. Invited talk: Normalized ground states of the nonlinear Schrödinger equation: new minimization technique.
  4. “Warsaw meeting in Analysis and PDEs”, 23.09.2024 – 27.09.2024, Warsaw, Poland. Invited talk: Normalized ground states of nonlinear Schrödinger-type equations.

Aurelia Dymek

  1. Research visit, November 24 – December 2, 2023, Aristotle University of Thessaloniki, Greece; seminar talk.
  2. Conference “VIII Symposium on Nonlinear Analysis”, 17.06.2024 – 21.06.2024, Nicolaus Copernicus University in Toruń. Talk: Invariant measures of B-free subshifts.
  3. Conference “Wandering Seminar: B-free systems and generalizations”, 6-9 June 2024, Kraków. Talk: Invariant measures of B-free subshifts.

Krzysztof Frączek

  1. Conference “Dynamics Days Europe”, July 29 – August 2, 2024, Bremen, Germany. Invited talk: Applications of smooth curves in the moduli space of translation surfaces.

Anna Gołębiewska

  1. Conference „Equadiff 2024”, 10-14 June 2024, Karlstad, Sweden. Talk: Generalization of Lyapunov center theorem for Hamiltonian systems.
  2. Conference „VIII Symposium on Nonlinear Analysis”, 17-21 June 2024, Toruń, Poland. Talk: Global bifurcation of periodic solutions of S^1-symmetric autonomous Newtonian systems.
  3. Conference „Variational methods in applications to PDEs”, 26-30 August 2024, Będlewo, Poland. Talk: Global bifurcation of solutions of the Neumann problem.

Stanisław Kasjan

  1. Conference “Wandering Seminar: B-free systems and generalizations”, 6-9 June 2024, Kraków. Talk: On dynamics of B-free systems generated by Behrend sets.

Abdul Gaffar Khan

  1. Research visit, Jagiellonian University in Kraków, 14-26.04.2024. Seminar talk: On expansivity through pointwise dynamics.
  2. Conference “Wandering Seminar in Dynamical Systems 2024”, 10-12.10.2024, NCU, Toruń. Talk: Topological stability and persistent property from Gromov-Hausdorff viewpoint.
  3. “38th Summer Conference on Topology and its Applications”, 08-12.07.2024, University of Coimbra, Portugal. Talk: Persistent properties from Gromov-Hausdorff viewpoint.
  4. Conference “Dynamics and Number Theory”, 27-31.05.2024, Jagiellonian University, Kraków. Talk: Bi-asymptotic c-expansivity and decomposition theorems.

Tomasz Klimsiak

  1. Conference “XIII Forum of Partial Differential Equations”, 23-29.06.2024, Będlewo. Talk: Bôcher type theorem for gradient perturbed Lévy operators: supercritical and subcritical cases.
  2. Conference “Probability and Analysis 2024”, 22-26 April 2024, Będlewo. Talk: Bôcher type theorem for gradient perturbed Lévy operators: supercritical and subcritical cases.
  3. Conference „9. Forum Matematyków Polskich”, 9-13.09.2024, Katowice. Talk: Twierdzenie Bochera dla operatorow Levy’ego z zaburzeniem gradientowym: przypadek nadkrytyczny.

Joanna Kułaga-Przymus

  1. Research internship, Utrecht University, The Netherlands, 02-29.06.2024. Host: Karma Dajani.
  2. Conference “Baby Steps Beyond the Horizon’”, 5.09.2024, Będlewo, Poland. Invited talk: On sets of multiples.
  3. Conference “Algebra, Analysis, and Aperiodic Order”, 12-16.08.2024, Bielefeld, Germany. Invited talk: B-free systems–what is new?
  4. Seminar online talk, Ergodic Theory and Analysis Seminar, 27.03.2024, Rutgers University, USA.
  5. 11th Workshop on “Operator Theoretic Aspects of Ergodic Theory”, 24-25.11.2023, Wuppertal, Germany. Invited talk.

Mariusz Lemańczyk

  1. Conference “Ergodic Group Actions and Unitary Representations”, 16 June 2024 – 20 June 2024, Institute of Mathematics of Polish Academy of Sciences, Warsaw. Talk: On selected spectral problems in ergodic theory.
  2. “Conference Algebra, Analysis, and Aperiodic Order”, 12-16.08.2024, Bielefeld, Germany. Talk: On Furstenberg systems of some multiplicative functions.


Jarosław Sarnowski

  1. Conference “European Congress of Mathematicians”, 15-19.07.2024, Seville, Spain. Talk: Extrapolation of boundedness of periodic Fourier multipliers.
  2. Scientific meeting related to the project ”Spectral and geometric methods for damped wave equation with application to fiber lasers”, 17-19.09.2024, Institute of Mathematics of the Polish Academy of Sciences in Warsaw. Talk: Perturbations of boundary conditions.

Daniel Sell

  1. Conference “VIII Symposium on Nonlinear Analysis”, 17.06.2024 – 21.06.2024, Nicolaus Copernicus University in Toruń. Talk: About entropy in B-free subshifts.
  2. Seminarium układy dynamiczne, Jagiellonian University in Kraków, 26.01.2024. Seminar talk: On finitely many semicocycle discontinuities in Toeplitz subshifts.

2025

Severin Benzoni

  1. Conference “Perspectives on Ergodic Theory and its Interactions”, 22-27.06.2025, IMPAN, Warsaw.

Przemysław Berk

  1. Research internship, Universite Grenoble Alpes, 1-28.02.2025, Grenoble, France. Séminaire de théorie spectrale et géométrie, talk: Spectral disjointness of rescalings of interval exchange transformations and locally Hamiltonian flows.
  2. Research internship, University of Lille, 15.03-15-09.2025, Lille, France. Séminaire Géométrie dynamique, talk: Skew products over interval exchange transformations.
  3. Research internship, Universita Autonoma de Barcelona, 16-30.09.2025, Barcelona, Spain. Seminari de Sistemes Dinamics, talk: Disjointness of rescalings of surface flows.
  4. Conference “Perspectives on Ergodic Theory and its Interactions”, 22-27.06.2025, IMPAN, Warsaw.

Jamerson Bezerra

  1. “2nd school of advanced studies”, 21-30.01.2025, Fortaleza, Brazil.
  2. Conference “Beyond Uniform Hyperbolicity”, 02-13.06.2025, Trieste, Italy.
  3. Conference “Perspectives on Ergodic Theory and its Interactions”, 22-27.06.2025, IMPAN, Warsaw.

Igor Białecki

  1. Research internship, Universidad de Navarra, 1.03.-18.04.2025, Pamplona, Spain.

Alexandre Danilenko

  1. Research visit, University Paris Sorbonne Nord, 1-22.09.2025, Villetaneuse, France.
  2. “Operator Algebra Seminar in Paris”, 18.09.2025, Institut de mathématiques de Jussieu – Paris Rive Gauche,Paris, France. Talk: Irreducible Koopman representations for group of automorphisms of rooted trees.
  3. Conference “Ergodic group actions and unitary representations II”, 15-19.2025, Bedlewo. Talk: Irreducible Koopman representations for nonsingular actions on boundaries of rooted trees.
  4. Conference “Perspectives on Ergodic Theory and its Interactions”, 22-27.06.2025, IMPAN, Warsaw.

Kamil Dunst

  1. Second spring school and workshop “Spectral Theory, Fourier Analysis and PDEs” 12-14 May 2025; Bilbao, Spain.
  2. Conference „XVIII Konferencja z Probabilistyki”, 25-30.05.2025, Bedlewo, Poland.
  3. “Warsaw Summer School on Evolutionary PDEs”, 13-18.07.2025, Warsaw, Poland.

Aurelia Dymek

  1. Conference “11th Visegrad Conference on Dynamical Systems”, 10–12.06.2025, Matej Bel University, Banská Bystrica, Slovakia. Talk: On B-free sets and the natural density.
  2. Conference “Perspectives on Ergodic Theory and its Interactions”, 22-27.06.2025, IMPAN, Warsaw.
  3. Conference “33èmes Journées Arithmétiques’’, 30.06.-4.07.2025, University of Luxembourg, Esch-sur-Alzette, Luxembourg. Talk: Densities of sets of multiples.
  4. Conference “10. Forum Matematyków Polskich”, 8-12.09.2025, University of Bialystok, Białystok, Poland.

Krzysztof Frączek

  1. Visiting professor, University of Zurich, 05-12.01.2025, Zurich, Switzerland.
  2. Visiting professor, Kungliga Tekniska Högskolan, 13-18.04.2025, Stockholm, Sweden. Dynamical Systems KTH Seminar, talk: Applications of smooth curves in the moduli space of translation surfaces.
  3. Conference “Perspectives on Ergodic Theory and its Interactions”, 22-27.06.2025, IMPAN, Warsaw.
  4. Conference “Dynamics and Rigidity”, 29.06-5.07.07.2025, Cetraro, Italy.
  5. Visiting professor, Max Planck Institute for Mathematics in the Sciences, 19-25.10.2025, Leipzig, Germany. Geometry Seminar, talk: Deviation spectrum of ergodic integrals for locally Hamiltonian flows on surfaces.

Agnieszka Gołembiewska

  1. “Workshop for young researchers in PDEs”, 27.01.2025-31.01.2025, Warsaw, Poland. Talk (invited): Continua of nonstationary periodic solutions of Hamiltonian systems.
  2. Conference “Recent advances and challenges in partial differential equations”, 2.09.2025-05.09.2025, Warsaw, Poland.
  3. Summer school “ISTA Summer School in Dynamical Systems”, 22.09.2025-26.09.2025, Strobl, Austria. Talk: Continua of nonstationary periodic solutions of Hamiltonian system inspired by cosmology. Conference “Recent advances and challenges in partial differential equations”, 2.09.2025-05.09.2025, Warsaw, Poland.
  4. Conference: “Women in PDEs @ Karlsruhe”, 23.10.2025-24.10.2025, Karlsruhe, Germany. Poster: Global bifurcations from an orbit in Neumann problems.

Anna Gołębiewska

  1. Conference “Recent advances and challenges in partial differential equations”, 2-5.09.2025, Warszawa, Poland. Poster: Connected sets of solutions of the Neumann problem.

Stanisław Kasjan

  1. Conference “Number Theory in Aperiodic Order”, 26-30.05.2025, Bielefeld, Germany. Talk: On the centralizer of the B-admissible and related subshifts.
  2. Conference “Advances in Representation Theory of Algebras”, 1-5.09.2025, Koln, Germany.

Tomasz Klimsiak

  1. Conference “17th German Probability and Statistics Days (GPSD) 2025”, 11-14.03.2025, TU Dresden, Germany. Talk: Probabilistic approach to semi-linear elliptic equations with measure data.
  2. Conference “Nonlocal Equations: Analysis and Numerics”, 17–21.03.2025, Bielefeld University, Germany. Talk: Isolated singularities: Bocher type theorem for elliptic equations with drift perturbed Levy operator.
  3. Conference „XVIII Konferencja z Probabilistyki”, 25-30.05.2025, Będlewo, Poland. Talk: Tożsamości typu Hardy’ego-Steina dla form Dirichleta – podejście stochastyczne.
  4. Conference “The 44th Conference on Stochastic Processes and their Applications (SPA)”, 14-18.07.2025, Wrocław, Poland.
  5. “Workshop: Diffusion in Warsaw”, 9-13.09.2025, Warsaw, Poland. Talk: Nodal sets of supersolutions to Schrodinger equations.
  6. Conference ”The 12th International Conference on Stochastic Analysis and its Applications (ICSAA 2025)”, 8-12.09.2025, Bucharest, Romania. Talk: Nodal sets of supersolutions to Schrodinger equations.

Adam Konysz

  1. „Workshop for young researchers in PDEs”, 27-31.01.2025, Warszawa, Poland. Inivited talk: Semiclassical states for the curl-curl problem.
  2. Summer school „Existence and regularity for non-uniformly elliptic and parabolic problems under (p, q) and general growth conditions”, 26-30.05.2025, Montecatini Terme, Italy.
  3. Summer school „Geometric Analysis and PDEs”, 22-27.06.2025, Chęciny, Poland. Poster: Semiclassical States for the curl-curl problem.
  4. Conference “PDEs in Bari: New directions and applications”, 7-9.07.2025, Bari, Italy. Poster: Semiclassical states for the curl-curl problem.
  5. Conference “Recent advances and challenges in partial differential equations”, 2-5.09.2025, Warszawa, Poland. Short talk with poster: Semiclassical states for the curl-curl problem.

Łukasz Kotlewski

  1. Winter school “Winter Braids XIV – school on braids and low dimensional topology, 3-6.02.2025, Bordeaux, France.
  2. Conference “Perspectives on Ergodic Theory and its Interactions, 23-27.06 2025, Warsaw, Poland.
  3. Summer school “ISTA Summer School in Dynamical Systems, 22-26.09.2025, Strobl, Austria. Talk: Hausdorff dimension of measures for AIETs.

Joanna Kułaga-Przymus

  1. Research internship, 10.02-9.03.2025, Vienna, Austria.
  2. Conference “Uniform Distribution of Sequences”, 22.04-25.04.2025, Vienna, Austria. Talk: B-free sets and the existence of natural density.
  3. Seminar of Arbeitsgemeinschaft Ergodentheorie, University of Vienna, Austria, 6.03.2025, talk: B-free subshifts.
  4. Conference “Perspectives on Ergodic Theory and its Interactions”, 22-27.06.2025, IMPAN, Warsaw.

Mariusz Lemańczyk

  1. Conference “Perspectives on Ergodic Theory and its Interactions”, 22-27.06.2025, IMPAN, Warsaw.
  2. Conference “Recent Developments in Sparse Equidistribution”, 8-11.09.2025, Brin Mathematics Research Center, Maryland, USA. Talk: Characteristic classes and orthogonality of sequences.
  3. visiting professor, Princeton University, 12-17.09.2025, Princeton, USA. Seminar talk: Characteristic classes and orthogonality of sequences.
  4. Number Theory Web Seminar, 16.09.2023. Online talk: Möbius orthogonality – ergodic viewpoint.

Juan Marshall-Maldonado

  1. Conference “Perspectives on Ergodic Theory and its Interactions”, 22-27.06.2025, IMPAN, Warsaw.
  2. Research visit to Center for Mathematical Modeling, 15.10-03.11.2025, Santiago, Chile.

Jarosław Mederski

  1. Visiting professor, Universidad de Chile, 18.01.2025-09.02.2025. DIM-CMM PDE Seminar talk: Multiple normalized solutions to a system of nonlinear Schrodinger equations, 22.01.2025.
  2. “Conference on Mathematics of Wave Phenomena”, 23-28.02.20225, Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany. Invited talk: Travelling waves for Maxwell’s equations in nonlinear and symmetric media.
  3. Conference “Partial Differential Equations Conference”, 10-13.06.2025, Athens, Greece. Invited speaker: The nonlinear p-curl-curl problem.
  4. Scuola Matematica Interuniversitaria, 07-08.2025, Perugia, Italy. Series of lectures on Functional Analysis.
  5. Conference “PDEs in Bari: New directions and applications”, 07-09.07.2025, Bari, Italy. Invited speaker: The nonlinear p-curl-curl problem.

Jarosław Sarnowski

  1. Conference “IWOTA 2025”, 14-18.07.2025, Enschede, Netherlands. Talk: Maximal regularity estimates for abstract Cauchy problems.
  2. Workshop “Operators and Waves II”, 9-11.09.2025, IMPAN, Warsaw. Talk: Stability for the damped wave equation with rough dampings.

Daniel Sell

  1. Workshop “Dynamical systems, Operator theory, Graphs and Spectral theory”, 10-14.03.2025, Jena, Germany.
  2. Conference “Perspectives on Ergodic Theory and its Interactions”, 22-27.06.2025, IMPAN, Warsaw.
  3. “Summer School on Additive Combinatorics, Number Theory, and Ergodic Theory”, 14-18.07.2025, Bernoulli Center for Fundamental Studies, EPFL, Lausanne, Switzerland. Lecture: Green/Sawhney: New bounds for the Furstenberg-Sárközy theorem.

Yiyu Tang

  1. Institute of Mathematics of the Polish Academy of Sciences, 21.01.2025, Warsaw, Poland. Seminar talk: Heisenberg uncertainty principle and its analogs, via Wigdersons’ method.
  2. Conference “Modern Trends in Fourier Analysis”, 26-30.05.2025, Centre de Recerca Matemàtica, Barcelona, Spain.
  3. Conference “Perspectives on Ergodic Theory and its Interactions”, 23-27.06.2025, Institute of Mathematics of the Polish Academy of Sciences, Warsaw, Poland.

Yuriy Tomilov

  1. Conference “Analysis and Probability in Infinite Dimensions”, 22-25.04.2025, Bad Herrenalb, Germany.
  2. Workshop “Operators and Waves, II”, 8-10.09.2025, Warsaw, IM PAN, Poland.
  3. Colloquium “From prime numbers to damped waves”, 2.12.2025, Universite Gustave Eiffel, Marne, France.
  4. Visiting professor, Universite Gustave Eiffel, Marne, France, March; September/October; November/December (2 weeks visits), 2025.
  5. Visiting professor, Institute of Mathematics, Czech Academy of Sciences, Prague, Czech Republic April/May (2 weeks), 2025.