A seminar in dynamical systems at IST Austria.
NEW! We are organizing a summer school in dynamical systems in September in Strobl, Austria, whose registration is open until June 1st. Please refer to the webpage for more information.
IST Austria is also hosting some sessions of the BudWiSer – The Budapest-Vienna Dynamics Seminar. For more details see the webpage of the University of Budapest or the webpage of the University of Vienna.
UPCOMING TALKS – SPTRING 2025
Date | Time | Speaker | Affiliation | Title | Room |
January 21, 2025 | 14:15 | Olga Bernardi | University of Padova | Studying symplectic billiards: an overview and recent rigidity results | Heinzel Seminar Room |
January 28, 2025 | 14:15 | Corentin Fierobe | University of Rome Tor Vergata | Diamond structures in KAM invariant curves of analytic billiard-like maps | Heinzel Seminar Room |
Feburary 4, 2025 | 14:15 | Gil Bor | CIMAT | Four cusps of caustics by reflection | Heinzel Seminar Room |
Feburary 11, 2025 | 14:15 | Dongchen Li | Imperial College London | Symplectic blenders near whiskered tori and persistence of saddle-center homoclinics | Heinzel Seminar Room |
Feburary 18, 2025 | 14:15 | Adi Dickstein | Tel Aviv University | Symplectic vs. topological quasi-states | Heinzel Seminar Room |
February 25, 2025 | 14:15 | Sébastien Biebler | Université Paris Cité | Non-density of hyperbolicity in complex dynamics in several variables | Heinzel Seminar Room |
March 4, 2025 | 14:15 | Yunzhe Li | ISTA | Simultaneous preservation of Lyapunov exponents within analytic families of standard maps | Heinzel Seminar Room |
March 11, 2025 | 14:15 | Mauricio Poletti | Universidade Federal do Ceará | Measures of maximal entropy for non-uniformly hyperbolic maps | Heinzel Seminar Room |
March 18, 2025 | 14:15 | Michael Entov | Technion – Israel Institue of Technology | Applications of filtered Legendrian contact homology to contact dynamics | Heinzel Seminar Room |
March 25, 2025 | 14:15 | Eran Igra Valerii Sopin | SIMIS – Shanghai Institute for Mathematics and Interdisciplinary Sciences | Period-Doubling Cascades Invariants | Heinzel Seminar Room |
April 1, 2025 | 14:15 | Dario Bambusi | Università degli studi di Milano | Non relativistic limit of quasiperiodic solutions of the Klein Gordon equation | Heinzel Seminar Room |
April 8, 2025 | 14:15 | Piotr Oprocha | AGH University of Krakow | On paramrtrized BBM technique and planar attractors | Heinzel Seminar Room |
April 11, 2025 | 14:15 | Yaofeng Su | University of Rome Tor Vergata | Statistic properties of open dynamical systems | Erdős center, Budapest |
BudWiSer | 15:30 | Felipe Arbulu | Jules Verne University, Amiens | Spectral analysis of some classes of S-adic subshifts | Erdős center, Budapest |
17:00 | Illya Koval | ISTA | Mushroom KAM theory | Erdős center, Budapest | |
April 22, 2025 | 14:15 | Jacopo De Simoi | University of Toronto | Heinzel Seminar Room | |
April 29, 2025 | 14:15 | Benoît Grébert | Université de Nantes | Heinzel Seminar Room | |
May 7, 2025 | 14:30 | Martin Leguil | École Polytechnique | Moonstone, Seminar Room E | |
16:00 | Moonstone, Seminar Room E | ||||
May 20, 2025 | 14:30 | Marco Mazzucchelli | ENS Lyon | Moonstone, Seminar Room E | |
16:00 | Andreas Vollmer | Universität Hamburg | Moonstone, Seminar Room E |
PAST TALKS – FALL 2024
Date | Time | Speaker | Affiliation | Title | Room |
Spetember 27, 2024 | 14:15 | Caiyun Ma | BME, HUN-REN Stochastics Research Group | Dimensions of projected sets and measures on typical self-affine sets | Erdős center, Budapest |
BudWiSer | 15:30 | Elzbieta Krawczyk | Jagiellonian University, Krakow | Amorphic complexity, tameness, and nullness of substitution shifts | Erdős center, Budapest |
17:00 | Daniel Tsodikovich | ISTA | Locally maximizing orbits for billiards | Erdős center, Budapest | |
October 8, 2024 | 14:15 | Susanna Terracini | University of Turin | Expanding solutions to the N-body problem | Heinzel Seminar Room |
October 15, 2024 | 14:15 | Rafaël Potrie | Centro de Matemática Universidad de la República, Uruguay | Topology and dynamics of partially hyperbolic diffeomorphisms in dimension 3 | Central Bldg, Mondi 1 |
October 18, 2024 (expository talk) | 14:15 | Daniel Tsodikovich | ISTA | Integrable geodesic flows on the torus | Heinzel Seminar Room |
October 22, 2024 | 14:15 | Anna Florio | Université Paris Dauphine-PSL | Genericity of transverse homoclinic points for analytic convex billiards | Heinzel Seminar Room |
November 5, 2024 | 14:15 | Marcelo R. R. Alves | University of Antwerp | From curve shortening to flat link stability and Birkhoff sections of geodesic flows | Heinzel Seminar Room |
November 12, 2024 | 14:15 | Stefano Marmi | Scuola Normale Superiore di Pisa | E pluribus unum: natural boundaries and uniqueness in small divisor problems | Heinzel Seminar Room |
November 19, 2024 | 14:15 | Silvius Klein | Pontifical Catholic University of Rio de Janeiro | Large deviations estimates for certain skew-product dynamical systems | Heinzel Seminar Room |
November 26, 2024 | 14:15 | Malo Jézéquel | CNRS, LMBA-Brest | Zeta functions for smooth pseudo-Anosov flows | Heinzel Seminar Room |
December 3, 2024 | 14:15 | Xianghui Shi | Peking University | Ergodic theory of expanding Thurston maps and their subsystems | Moonstone, Seminar Room E |
15:30 | Otto Vaughn Osterman | University of Maryland | Elliptic Periodic Orbits in the Planar Circular Restricted 3-Body Problem | Moonstone, Seminar Room E | |
December 10, 2024 | 14:15 | Michael Yampolsky | University of Toronto | From renormalization of diffeomorphisms to critical circle maps and Herman rings of two-dimensional maps | Heinzel Seminar Room |
December 17, 2024 | 14:15 | Jérôme Buzzi | CNRS, Laboratoire de Mathématiques d’Orsay | Measures maximizing the entropy for discretized Anosov flows | Central Bldg, Mondi 3 |
PAST TALKS – SPRING 2024
Date | Time | Speaker | Affiliation | Title | Room |
January 12, 2024 | 14:15 | Edmond Koudjinan | ISTA | On the Birkhoff conjecture for nearly centrally symmetric domains | University of Vienna |
BudWiSer | 15:30 | István Kolossváry | Rényi Institute | Assouad spectrum of planar carpets | University of Vienna |
17:00 | Serge Troubetzkoy | Aix-Marseille University | On the complexity of polygonal billiards | University of Vienna | |
February 13, 2024 | 14:00 | Yuri Bakhtin | New York University | Ergodic theory of the stochastic Burgers equation | Moonstone Bdg, Seminar Room E |
15:30 | Davide Ravotti | Universität Wien | Abelian covers of some translation flows | Moonstone Bdg, Seminar Room E | |
February 27, 2024 | 14:00 | Mathieu Helfter | Université Paris Cité | Every diffeomorphism is a total renormalization of a close to identity map | Moonstone Bdg, Seminar Room E |
15:30 | Adam Śpiewak | Institute of Mathematics Polish Academy of Sciences | Time-delayed embeddings of dynamical systems with self-intersections – a probabilistic approach | Moonstone Bdg, Seminar Room E | |
March 12, 2024 | 14:00 | Qiaoling Wei | Capital Normal University | Divergence of geometric normalization for an elliptic fixed point in the plane | Moonstone Bdg, Seminar Room E |
15:30 | Illya Koval | Institute of Science and Technology Austria | Billiard tables with analytic Birkhoff normal form are generically Gevrey divergent | Moonstone Bdg, Seminar Room E | |
March 26, 2024 | 14:00 | Maciej P. Wojtkowski | University of Arizona, Tucson | New results about old sequences | Moonstone Bdg, Seminar Room E |
15:30 | Gabriele Benedetti | Vrije Universiteit Amsterdam | Periodic magnetic flows on the two-torus | Moonstone Bdg, Seminar Room E | |
April 9, 2024 | 14:00 | Martin Leguil | École Polytechnique | Birkhoff attractors of dissipative billiards | Moonstone Bdg, Seminar Room E |
15:30 | Alexander Gorodnik | Universität Zürich | Distribution and quantitative density of orbits | Moonstone Bdg, Seminar Room E | |
May 3, 2024 | 14:15 | Károly Simon | Budapest University of Technology and Economics | Randomly perturbed self-similar sets | University of Vienna |
April BudWiSer | 15:30 | Illya Koval | Institute of Science and Technology Austria | Billiard problems with analytic Birkhoff normal are generically Gevrey divergent | University of Vienna |
17:00 | Jacques Fejoz | University Paris Dauphine | On the instability of the planetary problem | University of Vienna | |
May 6, 2024 Institute Colloquium | 11:30 | Leonid Polterovich | Tel Aviv University | Oscillations and topology | Raiffeisen Lecture Hall |
May 7, 2024 | 14:00 | Leonid Polterovich | Tel Aviv University | Tales of symplectic maps | Moonstone Bdg, Seminar Room E |
15:30 | Jacques Fejoz | University Paris Dauphine | On invariant submanifolds of conform symplectic dynamics | Moonstone Bdg, Seminar Room E | |
May 16, 2024 (exceptional session) | 16:00 | Adam Kanigowski | University of Maryland | Sparse equidistribution problems in dynamical systems | Heinzel Seminar Room |
May 17, 2024 | 14:15 | Nándor Simányi | University of Alabama at Birmingham | Wojtkowski’s ergodic hypothesis: a conjecture for decades? | Central Bldg, Mondi 3 |
BudWiSer | 15:30 | Klaudiusz Czudek | IST Austria | Random walks in quasiperiodic environment | Central Bldg, Mondi 3 |
17:00 | Adam Kanigowski | University of Maryland | Chaotic properties of smooth dynamical systems | Central Bldg, Mondi 3 | |
May 21, 2024 | 14:00 | Cagri Sert | Universität Zürich | Stationary probability measures on projective spaces | Moonstone Bdg, Seminar Room E |
15:30 | Otto Vaughn Osterman | University of Maryland | Elliptic Islands in the Planar Circular Restricted 3-Body Problem | Moonstone Bdg, Seminar Room E | |
June 4, 2024 | 14:00 | Kristian Bjerklöv | KTH Royal Institute of Technology | Monotone families of circle diffeomorphisms driven by expanding circle maps | Moonstone Bdg, Seminar Room E |
15:30 | Maria Saprykina | KTH Royal Institute of Technology | Nonconmutative coboundary equations over integrable dynamics | Moonstone Bdg, Seminar Room E | |
2024 | Summer School | Stability and rigidity in dynamical systems, beyond classical KAM theory | |||
July 12, 2024 | 14:15 | Otto Vaugh Osterman | University of Maryland | Elliptic Islands in the Planar Circular Restricted 3-Body Problem | University of Vienna |
BudWiSer | 15:30 | Olena Karpel | AGH Krakow | Tail invariant measures for generalized Bratteli diagrams | University of Vienna |
17:00 | Michael Baake | Bielefeld | On the long-range order enforced by Hats, CAPs and Spectres | University of Vienna | |
July 15, 2024 (exceptional session) | 11:00 | Jianlu Zhang | Chinese Academy of Sciences | Selection principle of generalized Hamilton-Jacobi equations | Heinzel Seminar Room |
PAST TALKS – FALL 2023
Date | Time | Speaker | Affiliation | Title | Room |
September 12, 2023 | 14:30 | Liviana Palmisano | KTH Royal Institute of Technology | Attractors and their stability | Heinzel Seminar Room |
16:00 | Jialun Li | École Polytechnique | On the dimension of limit sets on the real projective plane via stationary measures | Heinzel Seminar Room | |
September 26, 2023 | 14:30 | Yaron Ostrover | Tel Aviv University | A Symplectic Perspective on Minkowski Billiard Dynamics | Moonstone Bdg, Seminar Room E |
– | – | – | – | – | |
October 5, 2023 (exceptional session) | 16:30 | Manfred Einsiedler | ETH Zürich | Measure Rigidity for forms of SL(2,R)^k | Heinzel Seminar Room |
October 10, 2023 | 14:30 | Abed Bounemoura | Paris Dauphine University | Small divisors problems in non quasi-analytic classes | Moonstone Bdg, Seminar Room E |
16:00 | Corentin Fierobe | IST Austria | Only quadrics have pseudo-caustics | Moonstone Bdg, Seminar Room E | |
Budapest-Vienna Seminar | 14:00 | Kostyantin Drach | Universitat de Barcelona | Lyapunov spectral rigidity of expanding circle maps | Moonstone Bdg, Seminar Room E |
October 20, 2023 | 15:15 | Alex Rutar | University of St. Andrew | Multifractal analysis of non-conformal measures | Moonstone Bdg, Seminar Room E |
16:45 | Ilya Koval | IST Austria | The singular support of the wave trace and the length spectrum are often non-equal near ellipses | Moonstone Bdg, Seminar Room E | |
October 24, 2023 | 14:30 | François Ledrappier | University of Notre Dame | Dimension of limit sets for Anosov representations. | Moonstone Bdg, Seminar Room E |
16:00 | Alberto Abbondandolo | Ruhr-Universität Bochum | Symplectic capacities of convex bodies and geodesics in the space of contact forms | Moonstone Bdg, Seminar Room E | |
November 6, 2023 | 16:00 | Ke Zhang | University of Toronto | On the formally linearizable billiard of Treschev | Moonstone Bdg, Seminar Room E |
17:30 | Tomás Lázaro | Universitat Politècnica de Catalunya | Long transients in Ecology, two theoretical examples | Moonstone Bdg, Seminar Room E | |
Workshop | Mathematical billiards | At the crossroads of dynamics, geometry, analysis, and mathematical physics | Simons Center, Stony Brook | ||
December 05, 2023 | 14:30 | Daniel Tsodikovich | Tel Aviv University | Billiard analogue of Blaschke-Santalo inequality | Moonstone Bdg, Seminar Room E |
16:00 | Anna Zdunik | University of Warsaw | Random complex dynamics | Moonstone Bdg, Seminar Room E | |
December 19, 2023 | 14:30 | Omri Sarig | Weizmann Institute of Science | Robustness of the measure of maximal entropy for smooth surface diffeomorphisms | Moonstone Bdg, Seminar Room E |
16:00 | Jonguk Yang | University of Zürich | Renormalization of Unicritical Diffeomorphisms of the Disk | Moonstone Bdg, Seminar Room E |
PAST TALKS – SPRING 2023
Date | Time | Speaker | Affilitation | Title | Room |
January 13, 2023 | 14:00 | Corentin Fierobe | ISTA | From diamonds to length spectrum rigidity | Heinzel Seminar Room |
BudWiSer seminar | 15:00 | Peter Imre Toth | BME Budapest | Typicality of finite complexity in planar dispersing billiards | Heinzel Seminar Room |
16:30 | Michael Baake | University of Bielefeld | On some dynamical systems of number-theoretic origin | Heinzel Seminar Room | |
January 31, 2023 | 14:00 | Corinna Ulcigrai | University of Zurich | Linearization and rigidity in higher genus | Heinzel Seminar Room |
15:30 | Yi Pan | ISTA | Reducibility of quasi-periodic cocycles valued in symplectic groups | Heinzel Seminar Room | |
February 14, 2023 | 14:00 | Krzysztof Frączek | Nicolaus Copernicus University in Toruń | Deviation spectrum of ergodic integrals for locally Hamiltonian flows on surfaces | Heinzel Seminar Room |
15:30 | Joscha Henheik | ISTA | Deformational rigidity of integrable metrics on the torus | Heinzel Seminar Room | |
February 28, 2023 | 14:00 | Livia Corsi | Università degli Studi Roma Tre | Infinite dimensional invariant tori for the one dimensional NLS Equation | Heinzel Seminar Room |
15:30 | Otto Vaughn Osterman | University of Maryland | On Length Spectrum Rigidity in Dispersing Billiard Systems | Heinzel Seminar Room | |
March 14, 2023 | 14:00 | Michela Procesi | Università degli Studi Roma Tre | Reducibility and nonlinear stability for an NLS equation on T^2 | Heinzel Seminar Room |
15:30 | Daniel Galli | University of Bologna | Ruelle-Policott resonances and speed of mixing of Anosov diffeomorphisms | Heinzel Seminar Room | |
March 23, 2023 | 14:00 | Eva Miranda | Universitat Politècnica de Catalunya | From Reeb dynamics to fluid computers: two faces of a mirror | Heinzel Seminar Room |
15:30 | Albert Fathi | Georgia Institute of Technology | Weak KAM theory on metric spaces | Heinzel Seminar Room | |
April 25, 2023 | 14:00 | Daniel Peralta-Salas | ICMAT | Hamiltonian dynamics of Gaussian random potentials | Heinzel Seminar Room |
15:30 | Dierk Schleicher | Aix-Marseille University, CNRS | Dynamical systems and finding roots of polynomials | Heinzel Seminar Room | |
May 9, 2023 | 13:00 | Sebastian Van Strien | Imperial College London | A survey on some recent developments in 1D dynamics | Heinzel Seminar Room |
14:30 | Jean-Pierre Marco | Université Pierre et Marie Curie | Recent results on the sources of the polynomial entropy | Heinzel Seminar Room | |
Workshop | Symplectic Dynamics | ||||
June 06, 2023 | 14:00 | Giovanni Forni | University of Maryland | Weakly mixing billiards in polygons | Heinzel Seminar Room |
15:30 | Ian Melbourne | University of Warwick | Decay of correlations for geodesic flows on nonpositively curved surfaces | Heinzel Seminar Room | |
June 20, 2023 | 14:00 | Richard Evan Schwartz | Brown University | 5-point energy minimization | Heinzel Seminar Room |
15:30 | Zhiyuan Zhang | Paris Sorbonne University | Newhouse phenomenon in the complex Hénon family | Heinzel Seminar Room |
PAST TALKS – FALL 2022
Date | Time | Room | Speaker | Affiliation | Title and abstract |
---|---|---|---|---|---|
September 27, 2022 | 10:00 am | Heinzel Seminar Room | Núria Fagella | University of Barcelona and CRM | Structural stability in complex dynamics |
1:00 pm | Heinzel Seminar Room | Tere M-Seara | Universitat Politècnica de Catalunya | About the non-existence of small breathers in Klein-Gordon equations | |
October 10, 2022 ISTA Colloquium | 11:30 am | Raiffeisen Lecture Hall | Artur Avila | University of Zurich | – |
October 11, 2022 | 2:00 pm | Heinzel Seminar Room | Sylvain Crovisier | Université Paris-Saclay | Existence of physical measures for surface diffeomorphisms |
3:30 pm | – | – | – | ||
October 25, 2022 | 2:00 pm | Heinzel Seminar Room | Mark Pollicott | University of Warwick | Estimates on Hausdorff dimension and Lyapunov exponents and their applications. |
3:30 pm | Heinzel Seminar Room | Artem Dudko | Institute of Mathematics, Polish Academy of Sciences | On Hausdorff dimension of Julia sets via a computer-assisted proof | |
November 8, 2022 | 2:00 pm | Heinzel Seminar Room | Klaus Schmidt | University of Vienna | Homoclinic points in higher rank ergodic theory |
3:15 pm | Heinzel Seminar Room | Klaudiusz Czudek | ISTA | Random dynamics on the circle and interval | |
November 22, 2022 | 2:00 pm | Heinzel Seminar Room | Anton Zorich | Institute of Mathematics of Jussieu | Random square-tiled surfaces of large genus and random multicurves on surfaces of large genus. |
3:30 pm | Heinzel Seminar Room | Andrey Mironov | Sobolev Institute of Mathematics | Integrable magnetic geodesic flows on 2-torus. | |
December 06, 2022 | 2:00 pm | Heinzel Seminar Room | Pascal Hubert | Aix-Marseille University | Interval exchange transformations conjugated to rotations- |
3:30 pm | Heinzel Seminar Room | Andrew Clarke | University of Barcelona | Why are inner planets not inclined? | |
December 20, 2022 | 2:00 pm | Heinzel Seminar Room | Maciej Capiński | AGH University of Science and Technology | Covering relations, cone conditions and blenders |
3:30 pm | Heinzel Seminar Room | Pierre Berger | Paris Sorbonne University | Analytic pseudo-rotations |
PAST TALKS – SPRING 2022
Date | Time | Room | Speaker | Affiliation | Title and abstract |
---|---|---|---|---|---|
February 28, 2022 | 2:00 pm | Mondi 2 | Carlangelo Liverani | University of Roma Tor Vergata | Fast-Slow partially hyperbolic systems |
3:30 pm | Mondi 2 | Henk Bruin | University of Vienna | On volume preserving almost Anosov flows | |
March 14, 2022 | 2:00 pm | Mondi 2 | Alfonso Sorrentino | University of Rome Tor Vergata | On the persistence of periodic tori for symplectic twist maps |
3:30 pm | Mondi 2 | Diana Davis | Phillips Exeter Academy | Periodic paths on regular polygons | |
March 28, 2022 | 2:00 pm | Mondi 2 | Dmitry Turaev | Imperial College London | Stable motion of highly energetic particles interacting via a repelling potential |
3:30 pm | Mondi 2 | Corentin Fierobe | Institute of Science and Technology Austria | On projective billiards with open sets of periodic orbits | |
April 11, 2022 | 2:00 pm | Mondi 2 | Maxime Zavidovique | Institut de Mathématiques de Jussieu | Weak KAM solutions of conservative Twist maps of the annulus |
3:15 pm | Mondi 2 | Marcel Guardia Munarriz | Universitat Politècnica de Catalunya | Oscillatory motions and symbolic dynamics in the three body problem | |
April 25, 2022 | 2:00 pm | Mondi 2 | Peter Balint | Budapest University of Technology and Economics | Periodic Lorentz gas with small scatterers |
3:15 pm | Mondi 2 | Davide Ravotti | University of Vienna | Large hyperbolic circles | |
May 9, 2022 | 2:00 pm | Mondi 2 | Amir Vig | Institute of Science and Technology Austria | The Wave Trace and Birkhoff Billiards |
3:30 pm | Mondi 2 | Raphaël Krikorian | CY Cergy Paris University | Birkhoff Normal Forms, frequency maps and local integrability. | |
May 23, 2022 | 2:00 pm | Mondi 2 | Edmond Koudjinan | Institute of Science and Technology Austria | On non-coexistence of 2- & 3-rational caustics in nearly circular billiard tables |
3:30 pm | Mondi 2 | Misha Bialy | Tel Aviv University | The non-standard generating function of Birkhoff billiards and applications | |
June 8, 2022 | 2:00 pm | Mondi 3 | Illya Koval | Institute of Science and Technology Austria | Domains which are integrable close to the boundary and close to the circular ones are ellipses |
3:30 pm | Mondi 3 | Frank Trujillo | University of Zurich | Persistence of lower dimensional invariant tori for near-integrable Hamiltonians | |
Conference | Finite Dimensional Integrable Systems in Geometry and Mathematical Physics |