Dynamical Systems Seminar

 

15 October 2025 | 10:00 | FCUL - room 6.2.33
Marcelo Durães (DCM, FCUL)
Analyticity of the Lyapunov exponent: from  finite to infinitely supported measures

 

27 January 2025 | 14:00 | FCUL - room 6.2.33
Carlos Matheus (École Polytechnique, Paris)
Selberg, Ihara and Berkovich


30 September 2024 | 14:00 | ISEG 
Asad Ullah  (Univ. Beira Interior) 
Decay of Correlations via Induced Weak Gibbs Markov maps
 

 

Previous Seminars:

DateSpeakerAffiliationTitle
3 June 2024Wolfgang Forg-RobUniversitat InnsbruckA short remark to a problem on divided differences
10 April 2024Alexandre Tavares BaravieraUniversidade Federal do Rio Grande do SulSome dynamics on binary trees
6 Mar 2024Reza MohammadpourUpssala UniversityRestricted variational principle of Lyapunov exponents for typical cocycles
8 Jan 2024Luciana Silva SalgadoUniversidade Federal do Rio de JaneiroGeometric and ergodic aspects of nonuniformly hyperbolic flows
27 Nov 2023Romain AiminoCentro de Matemática, Univ. PortoStable Laws for Random Dynamical Systems
23 Feb 2022Aline MeloPontifícia Universidade Católica do Rio de JaneiroUniform convergence rate for Birkhoff means of certain uniquely ergodic toral maps
23 Feb 2022Marcelo DurãesPontifícia Universidade Católica do Rio de Janeiro)Hölder continuity for Lyapunov exponents of random linear cocycles
6 Oct 2021Pedro Tiago SoaresISEGHeteroclinic networks in coupled cell systems
21 Sep 2021Fabio Armando TalUniversidade de São PauloZero entropy area preserving homeomorphisms on surfaces
1 Out 2020Luís PereiraInstituto Superior TécnicoThe small divisors problem in the quantum Kicked Rotator (III)
24 Set 2020Luís PereiraInstituto Superior TécnicoThe small divisors problem in the quantum Kicked Rotator (II)
17 Set 2020Luís PereiraInstituto Superior TécnicoThe small divisors problem in the quantum Kicked Rotator
17 Jan 2020Alexandre Tavares Baraviera Universidade Federal do Rio Grande do SulNon-hyperciclicity for certain  classes of linear dynamical systems
18 Nov 2019Silvius KleinPontifícia Universidade Católica do Rio de JaneiroLocalization for discrete, one-dimensional Schrödinger type operators via  large deviations
27 Sep 2019Bernardo San MatrinUniversidad Católica del Norte>The Rovella attractor is asymptotically sectional-hyperbolic 
22 May 2019Jaqueline SiqueiraUniversidade Federal do Rio de JaneiroEquilibrium states for non-uniformly  hyperbolic maps: statistical  properties, joint continuity and  analyticity of the potential 
22 May 2019Silvius KleinPontifícia Universidade Católica do Rio de Janeiro (PUC-Rio)Uniform convergence rate for Birkhoff  means of certain uniquely ergodic  toral maps 
16 Jan 2019Alexandre T. BaravieraInstituto de Matemática e Estatística - Universidade Federal do Rio Grande do SulSome fixed points for a dynamical system on a probability space
5 Dez 2018Benito PiresUniversidade de São PauloSymbolic dynamics of piecewise contractions
26 Sep 2018Bernardo San MartinUniversidad Católica del NorteAsymptotically sectional-hyperbolic attractors
19 Sep 2018Pedro DuarteFCULA Survey on Lyapunov exponents
28 Fev  2018Muhammad Ali KhanFCUPStatistical Instability for Rovella Maps   
31 Jan 2018Alexandre BaravieraInstituto de Matemática e Estatística - Universidade Federal do Rio Grande SulPhase transitions for KMS states in the Cuntz c-star algebra
5 Dez 2017Mauricio PolettiUniversité Paris 13Openness of positive Lyapunov exponents for Linear cocycles over partially hyperbolic maps
30 Jun 2017Rui Alberto Pimenta RodriguesFaculdade de Ciências e Tecnologia - Universidade NovaNeural Networks: recent advances - Deep learning - and some (mathematical ?) problems
26 Mai 2017Paolo GidoniCMAFcIO - Universidade de LisboaThe notion of twist: from the Poincaré-Birkhoff Theorem towards higher dimension
20 Jan 2017Alexandre Tavares BaravieraUniversidade Federal do Rio Grande do SulSome properties of block transformation maps
2 Dez 2016Raquel RibeiroUniversidade de São Paulo - IME - USP - BrasilSombreamentos em Sistemas Dinâmicos
7 Out 2016Alexandre A. P. RodriguesCMUP, Universidade do PortoOn Taken's Last Problem: times averages for heteroclinic attractors
16 Set 2016Esmeralda Sousa DiasCAMGSD and IST, Universidade de LisboaThe geometric organization of the dynamics of some Poisson cluster maps
1 Jul 2016Silvius KleinNorwegian University of Science and Technology (NTNU)Continuity, positivity and simplicity of the Lyapunov exponents for quasi-periodic cocycles
22 Abr 2016Pierre BergerLaboratoire Analyse, Géométrie & Applications, Université Paris 13On the Kolmogorov typicality of dynamics displaying infinitely many coexisting sinks
15 Abr 2016José Pedro GaivãoCEMAPRE and ISEG, Universidade de LisboaNon-differentiable irrational invariant curves and a question of John Mather
1 Abr 2016Arseniy AkopyanIST AustriaElementary approach to closed billiard trajectories in asymmetric normed spaces
4 Mar 2016Jaqueline SiqueiraCMUP, CNPq BrasilOn equilibrium states for impulsive semiflows
4 Mar 2016Vanessa RamosCMUP/Universidade Federal do MaranhãoEquilibrium States for Hyperbolic Potentials
12 Out 2015Nuno LuziaUniversidade Federal do Rio de JaneiroQuantitative recurrence results for random walks
5 Out 2015Telmo PeixeFCUL/ISEG/CMAFCIOPolymatrix Replicators and Lotka-Volterra Systems
17 Abr 2015Jorge Milhazes de FreitasFaculdade de Ciências - Universidade do Porto/ CMUPLaws of rare events with convergence rates
26 Fev 2015Paulo VarandasUniversidade Federal da BahiaLarge deviations in dynamical systems
11 Fev 2015José Ferreira AlvesCMUP FCUPPropriedades ergódicas de semifluxos impulsivos
19 Jan 2015João José GomesFCULMaximum likelihood estimation for linear mixed models
19 Jan 2015Susana Pinheiro Maximum likelihood estimation for linear mixed models
19 Jan 2015Diogo PinheiroCUNY, USAStochastic optimal control under model uncertainty