Past seminars

3 Sessions in 2023

• Wilhelm Schlag (Department of Mathematics, Yale University)
  Lyapunov exponents, Schrödinger cocycles, and Avila’s global theory. (19/5/23)
• Marcelo Durães (Pontifícia Universidade Católica do Rio de Janeiro)
  Stochastic Dynamical Systems and Lyapunov exponents. (22/2/23)
• Fabio Chalub (DM FCT NOVA & NOVA Math)
  Modelos em dinâmica evolutiva. (15/2/23)

13 Sessions in 2022

• Hassan Najafi Alishah (Universidade Federal de Minas Gerais)
  Dirac structures and Hamiltonian inverse problem, applications to the Lotka-Volterra equations and linear systems. (23/11/22)
• Paulo Varandas (CMUP-Universidade do Porto, Universidade Federal da Bahia)
  Some more questions and remarks about $SL(2,R)$-cocycles. (25/5/22)
• Alexandre Rodrigues (ISEG, CMUP)
  About the stability of heteroclinic cycles: a new approach. (4/5/22)
• João Carvalho (Universidade do Porto)
  Strange attractors in a seasonally forced epidemic SIR model. (20/4/22)
• Pedro Duarte (CMAFcIO-FCUL)
  Regularity of the Lyapunov exponents of random cocycles. (30/3/22)
• Jamerson Bezerra (Copernicus University in Toruń)
  Positivity of the Hausdorff dimension of generic dynamically defined Lagrange spectrum. (23/3/22)
• Luís Sampaio (FCUL)
  Considerations on the driift. (16/3/22)
• Aline Melo (PUC-Rio)
  Uniform convergence rate for Birkhoff means of certain uniquely ergodic toral maps. (23/2/22)
• Marcelo Durães
  Hölder continuity for Lyapunov exponents of random linear cocycles. (23/2/22)
• Silvius Klein (Pontifícia Universidade Católica do Rio de Janeiro)
  Large deviations estimates for certain partially hyperbolic systems. (17/2/22)
• Mauricio Poletti (Universidade Federal do Ceará)
  Linear Cocycles over hyperbolic maps. (17/2/22)
• Jamerson Bezerra (Copernicus University in Toruń)
  (2/2/22)
• Jaqueline Siqueira (Federal University of Rio de Janeiro)
  The transfer operator approach for equilibrium states. (2/2/22)

22 Sessions in 2021

• Alexandre Artur Rodrigues
  Rank-one strange attractors versus Heteroclinic tangles. (3/11/21)
• Alexandre Tavares baraviera (Universidade Federal do Rio Grande do Sul)
  Stationary measures for infinite graphs. (27/10/21)
• Pedro Tiago Soares (ISEG)
  Heteroclinic networks in coupled cell systems. (6/10/21)
• Alexandre Artur Rodrigues (CMUP-FCUP)
  Rank-one strange attractors versus Heteroclinic tangles. (3/10/21)
• Fabio Armando Tal (Universidade de São Paulo)
  Zero entropy area preserving homeomorphisms on surfaces. (21/9/21)
• Pedro Matias (Universidade Lusófona)
  A glimpse into ergodic optimization. (7/7/21)
• Jamerson Bezerra (CMAFCIO-FCUL)
  Periodic points for diffeomorphisms with real and distinct eigenvalues. (17/6/21)
• Andrew Clarke (Universitat Politècnica de Catalunya)
  Arnold Diffusion in Multi-Dimensional Convex Billiards. (9/6/21)
• Telmo Peixe (CEMAPRE)
  Persistent strange attractors in 3D Polymatrix Replicators. (2/6/21)
• Catalina Freijo (CMAFCIO-FCUL)
  A Discussion about rigidity of measures. (27/5/21)
• Jamerson Bezerra (CMAFCIO-FCUL)
  Hyperbolicity. (20/5/21)
• Marina Gonchenko (Universitat Politècnica de Catalunya)
  Multi-frequency splitting of separatrices in Hamiltonian systems. (13/5/21)
• Ao Cai (CMAFCIO-FCUL)
  Mixed random-quasiperiodic cocycles, II: Furstenberg Theory and applications. (22/4/21)
• Jamerson Douglas Bezerra (CMAFCIO-FCUL)
  Geometric obstructions for higher dimensional horseshoes. (15/4/21)
• Luís Sampaio (Universidade de Lisboa)
  Continuity of the drift in metric hyperbolic spaces. (8/4/21)
• Ao Cai (CMAFCIO-FCUL)
  Generic Cantor spectrum for C^k quasi-periodic Schrodinger operators. (1/4/21)
• João Lopes Dias (ISEG-CEMAPRE)
  Renormalisation of quasi-periodic dynamics. (25/3/21)
• Catalina Freijo (CMAFCIO-FCUL)
  Obstructions for Livsic theorems in the case of non uniformly fiber bunched cocycles. (18/3/21)
• Jamerson Douglas (CMAFCIO-FCUL)
  Lyapunov exponents over Bernoulli shifts: from locally constant to non-locally constant cocycles. (11/3/21)
• José Pedro Gaivão (ISEG)
  Dynamics of piecewise affine contractions of the interval. (4/3/21)
• Catalina Freijo
  Random walks on Hom(S1). (18/2/21)
• Catalina Freijo (CMAFCIO-FCUL)
  Title: A spectral decomposition result for partially hyperbolic diffeomorphisms. (11/2/21)

16 Sessions in 2020

• Ao Cai (CMAFCIO-FCUL)
  Mixed random-quasiperiodic cocycles, Ⅰ: dynamics, ergodicity and consequences. (3/12/20)
• Jamerson Douglas Bezerra
  Random product of quasi periodic cocycles. (26/11/20)
• Luis Sampaio (Faculdade de Ciências, Universidade de Lisboa)
  Geometry and Dynamics on Hyperbolic Spaces 2. (12/11/20)
• Luís Sampaio (Faculdade de Ciências, Universidade de Lisboa)
  Geometry and Dynamics on metric Hyperbolic Spaces (I). (29/10/20)
• Longmei Shu (Emory University)
  Isospectral Reductions, Attractors and Spectral Equivalence. (22/10/20)
• Luís Pereira (Instituto Superior Técnico)
  The small divisors problem in the quantum Kicked Rotator (III). (1/10/20)
• Luís Pereira (Instituto Superior Técnico)
  The small divisors problem in the quantum Kicked Rotator (II). (24/9/20)
• Luís Pereira (Instituto Superior Técnico)
  The small divisors problem in the quantum Kicked Rotator. (17/9/20)
• Reza Mohammadpour Bejargafsheh (IMPAN-Warsaw)
  Lyapunov spectrum properties and continuity of the lower joint spectral radius. (18/6/20)
• Filipe André Paulino Santos (CEMAPRE-ISEG, Universidade de Lisboa)
  Bochi-Mané dichotomy for 2n-Hamiltonians. Random perturbation techniques. (8/6/20)
• Sajjad Bakrani (Imperial Colledge London)
  Invariant manifolds of homoclinic orbits: super-homoclinics and multi-pulse homoclinic loops. (21/5/20)
• Davi Obata (Université Cergy-Pontoise)
  Open sets of partially hyperbolic systems having a unique SRB measure. (14/5/20)
• Pedro Soares (Politechnika Gdanska)
  Homoclinic orbits in a class of perturbed Hamiltonian systems (live video seminar). (27/3/20)
• Pedro Soares (Politechnika Gdanska)
  Homoclinic orbits in a class of perturbed Hamiltonian systems (CANCELADO). (13/3/20)
• Alexandre Tavares Baraviera (Universidade Federal do Rio Grande do Sul)
  Non-hyperciclicity for certain classes of linear dynamical systems. (17/1/20)
• Mauricio Poletti (Université PARIS SUD)
  Partially hyperbolic diffeomorphisms with zero center exponent. (7/1/20)

21 Sessions in 2019

• Arnaldo Nogueira (Aix-Marseille Université)
  Dynamics of 2-interval piecewise affine maps and Hecke-Mahler series. (18/12/19) pdf
• Carlos Ramos (Universidade de Évora)
  Kinematics of complex movement through symbolic dynamics. (9/12/19)
• Telmo Peixe (Universidade de Lisboa)
  Open problems in fictitious play dynamics for bimatrix games. (25/11/19)
• Silvius Klein (Pontifícia Universidade Católica do Rio de Janeiro (PUC-Rio))
  Localization for discrete, one-dimensional Schrödinger type operators via large deviations. (18/11/19)
• Mike Todd (University of St Andrews, UK)
  Escape of entropy. (11/11/19)
• Romain Aimino (CMUP)
  Random Lorentz gas and deterministic walks in random environments. (28/10/19)
• Ao Cai (CMAFcIO Univ Lisboa)
  Polynomial decay of the gap length of C^k-quasi-periodic Schrodinger operators. (30/9/19)
• Bernardo San Martin (Universidad Católica del Norte)
  The Rovella attractor is asymptotically sectional-hyperbolic. (27/9/19)
• David Barros (ISEG)
  Continued Fractions and Smooth Conjugacies. (12/9/19)
• Leonid Bunimovich (Georgia Tech)
  Finite time dynamics and predictions for strongly chaotic dynamical and stochastic systems. (5/8/19)
• Ao Cai (CMAFcIO Univ Lisboa)
  C^k almost reducibility of quasi-periodic SL(2,R) cocycles and more spectral application. (24/7/19)
• Mário Bessa (Universidade da Beira Interior)
  Entropia topológica positiva para bilhares. (10/7/19)
• Ao Cai (CMAFcIO Univ Lisboa)
  Analytic KAM theorem and strong almost reducibility of quasi-periodic SL(2,R) cocycles. (10/7/19)
• Keonhee Lee (Chungnam National University, Daejeon Korea)
  Dynamics of Flows with Expansive Measures. (4/7/19)
• Ao Cai (CMAFcIO Univ Lisboa)
  Spectral theory of self-adjoint operators on l^2(Z). (18/6/19)
• Ao Cai (CMAFcIO Univ Lisboa)
  One dimensional quasi-periodic Schrödinger operators and quasi-periodic SL(2,R) cocycles. (12/6/19)
• Jaqueline Siqueira (Universidade Federal do Rio de Janeiro)
  Equilibrium states for non-uniformly hyperbolic maps: statistical properties, joint continuity and analyticity of the potential. (22/5/19)
• Silvius Klein (Pontifícia Universidade Católica do Rio de Janeiro (PUC-Rio))
  Title: Uniform convergence rate for Birkhoff means of certain uniquely ergodic toral maps. (22/5/19)
• David Barros (ISEG- Universidade de Lisboa)
  Número de Rotação Irracional e Teorema de Denjoy. (7/5/19)
• Patrícia Gonçalves (Instituto Superior Técnico)
  How to obtain deterministic laws from a random motion of particles. (13/2/19)
• Alexandre T. Baraviera (IME-Universidade Federal do Rio Grande do Sul)
  Some fixed points for a dynamical system on a probability space. (16/1/19)

7 Sessions in 2018

• Benito Pires (Universidade de São Paulo)
  Symbolic dynamics of piecewise contractions. (5/12/18)
• Pedro Duarte (FCUL)
  A Survey on Lyapunov exponents II. (3/10/18)
• Bernardo San Martin (Universidad Católica del Norte)
  Asymptotically sectional-hyperbolic attractors. (26/9/18)
• Pedro Duarte (FCUL)
  A Survey on Lyapunov exponents. (19/9/18)
• Arnaldo Nogueira (Aix Marseille Université)
  Rotation number of contracted rotations. (7/3/18)
• Muhammad Ali Khan (Faculdade de Ciências da Universidade do Porto)
  Statistical Instability for Rovella Maps. (28/2/18)
• Alexandre Baraviera (Instituto de Matemática e Estatística - Universidade Federal do Rio Grande Sul)
  Phase transitions for KMS states in the Cuntz c-star algebra. (31/1/18)

7 Sessions in 2017

• Mauricio Poletti (Université París 13)
  Openness of positive Lyapunov exponents for Linear cocycles over partially hyperbolic maps. (5/12/17)
• Rui Alberto Pimenta Rodrigues (Faculdade de Ciências e Tecnologia, Universidade Nova)
  Neural Networks: recent advances - Deep learning - and some (mathematical ?) problems. (30/6/17) pdf
• Paolo Gidoni (Universidade de Lisboa)
  The notion of twist: from the Poincaré-Birkhoff Theorem towards higher dimension. (26/5/17)
• João Lopes Dias (ISEG and CEMAPRE)
  Best Diophantine approximation of vectors. (10/3/17)
• Pedro Duarte (CMAF-CIO, FCUL)
  Avalanche Principle. (24/2/17)
• Alexandre Tavares Baraviera (Universidade Federal do Rio Grande do Sul)
  Some properties of block transformation maps. (20/1/17)
• Filipe Santos (ISEG and CEMAPRE)
  Approaching the $C^2$ Genericity of Hamiltonians Through Probabilistic Methods. Profit Maximization and Symplectic Structures. (6/1/17)

14 Sessions in 2016

• Davide Azevedo (CEMAPRE)
  Propriedades estatísticas para sistemas dinâmicos com variedades invariantes fracas. (16/12/16)
• Raquel Ribeiro (Universidade de São Paulo - IME - USP - Brasil)
  Sombreamentos em Sistemas Dinâmicos. (2/12/16)
• Telmo Peixe (Universidade de Lisboa)
  The maximum principle of Pontryagin. (25/11/16)
• José Pedro Gaivão (Universidade de Lisboa)
  $\lambda$-stability of periodic billiard orbits. (18/11/16)
• Alexandre A. P. Rodrigues (CMUP)
  On Taken's Last Problem: times averages for heteroclinic attractors. (7/10/16)
• Esmeralda Sousa Dias (CAMGSD and IST Universidade de Lisboa)
  The geometric organization of the dynamics of some Poisson cluster maps. (16/9/16)
• Silvius Klein (Trondheim University NTNU)
  Continuity, positivity and simplicity of the Lyapunov exponents for quasi-periodic cocycles. (1/7/16)
• Gianluigi Del Magno (Universidade Federal da Bahia)
  Asymptotic stability of the nonlinear filter for random chaotic maps. (26/4/16)
• Pierre Berger (Laboratoire Analyse, Géométrie & Applications, Université Paris 13)
  On the Kolmogorov typicality of dynamics displaying infinitely many coexisting sinks. (22/4/16)
• José Pedro Gaivão (CEMAPRE and ISEG, Universidade de Lisboa)
  Non-differentiable irrational invariant curves and a question of John Mather. (15/4/16)
• Arseniy Akopyan (IST Austria)
  Elementary approach to closed billiard trajectories in asymmetric normed spaces. (1/4/16)
• Jaqueline Siqueira (CMUP and CNPq Brazil)
  On equilibrium states for impulsive semiflows. (4/3/16)
• Vanessa Ramos (CMUP and Universidade Federal do Maranhão)
  Equilibrium States for Hyperbolic Potentials. (4/3/16)
• Davide Azevedo (Institute of Mathematics of the Polish Academy of Sciences)
  Clustering of extreme events created by multiple correlated maxima. (26/2/16)

10 Sessions in 2015

• Filipe Santos (ISEG and CEMAPRE)
  The four types of non-dominance on the Oseledets splitting for symplectic diffeomorphisms. (18/12/15)
• Nuno Luzia (Universidade Federal do Rio de Janeiro, Brasil)
  Quantitative recurrence results for random walks. (12/10/15)
• Telmo Peixe (FCUL and ISEG)
  Polymatrix Replicators and Lotka-Volterra Systems. (5/10/15)
• Filipe Santos (ISEG)
  Teorema Ergódico Multiplicativo de Oseledets. (28/9/15)
• Jorge Milhazes de Freitas (Faculdade de Ciências - Universidade do Porto/ CMUP)
  Laws of rare events with convergence rates. (17/4/15)
• Paulo Varandas (Universidade Federal da Bahia)
  Large deviations in dynamical systems. (26/2/15)
• José Ferreira Alves (CMUP FCUP)
  Propriedades ergódicas de semifluxos impulsivos. (11/2/15)
• João José Gomes (FCUL)
  Maximum likelihood estimation for linear mixed models. (19/1/15)
• Susana Pinheiro
  On a stochastic logistic growth model with predation and power-type diffusion coefficient: dynamics and optimal harvesting. (19/1/15)
• Diogo Pinheiro (CUNY, USA)
  Stochastic optimal control under model uncertainty. (19/1/15)

14 Sessions in 2014

• Ricardo Coutinho (IST-UL)
  Fronts between periodic patterns for bistable recursions on lattices. (10/12/14)
• Paulo Varandas (Universidade Federal da Bahia)
  Rapid mixing and statistical limit laws for time-1 maps for suspension flows and Lorenz attractors. (5/12/14)
• Jaqueline Siqueira (Faculdade de Ciências - Universidade do Porto)
  Uniqueness of equilibrium states for a family of partially hyperbolic systems. (19/11/14)
• Silvius Klein (Norwegian University of Science and Technology (NTNU))
  Nearly upper semi-continuity of the maximal Lyapunov exponent ... or on some variations on a theme by Katznelson and Weiss. (15/10/14)
• Mohammad Soufi (ICTP-Trieste Italy)
  On volume of partially hyperbolic horseshoe-like attractors. (24/9/14)
• José Pedro Gaivão (CEMAPRE-ISEG)
  Principio de Wazewski e aplicações. (7/8/14)
• Qi Zhou (Paris 6)
  Almost reducibility of quasi-periodic cocycles and its applications to almost Mathieu operators. (2/6/14)
• Simeon Hill (British Antarctic Survey, Cambridge)
  Modelling the Southern Ocean Ecosystem. (21/5/14)
• João Lopes Dias (CEMAPRE-ISEG)
  Almost reducibility and non-perturbative reducibility of quasi-periodic linear systems. (16/5/14)
• José Pedro Gaivão (CEMAPRE-ISEG)
  Linear search problem. (21/3/14)
• Alexandre A. P. Rodrigues (CMUP)
  Symmetry Breaking and Heteroclinic Tangencies. (7/3/14)
• Marco Lenci (Università di Bologna)
  Global observables and infinite mixing. (10/2/14)
• Leonid Bunimovich (Georgia Institute of Technology)
  Isospectral transformations: a new approach to the analysis of multidimensional systems and networks. (10/2/14)
• João Lopes Dias
  Smoothing techniques for KAM. (30/1/14)

29 Sessions in 2013

• Gianluigi Del Magno (CEMAPRE-ISEG)
  Homoclinic classes and ergodicity. (27/11/13)
• João Lopes Dias (CEMAPRE-ISEG)
  Delay embeddings and time series. (21/11/13)
• Silvius Klein (CMAF-FCUL)
  A final play of the quantitative Birkhoff ergodic theorem leitmotif. (9/10/13)
• Silvius Klein (CMAF-FCUL)
  Quantitative Birkhoff Ergodic Theorems. (2/10/13)
• Thomas Kempton (Utrecht University)
  How to do dynamics on overlapping self similar sets and measures. (22/7/13)
• Hassan Alishah (CMAF-FCUL)
  Closing Lemma II. (11/7/13)
• Alexandre Tavares Baraviera (Universidade Federal do Rio Grande do Sul, Brasil)
  Selection of measures: some recente results. (2/7/13)
• Silvius Klein (CMAF-FCUL)
  Quantitative continuity and lower bounds for Lyapunov exponents of linear cocycles. (27/6/13)
• Pedro Duarte (CMAF-FCUL)
  Hyperbolicity of Polyhedral Contractive Billiards. (20/6/13)
• Gianluigi Del Magno (CEMAPRE-ISEG)
  Billiards: hyperbolicity and ergodicity. (6/6/13)
• Mohammad Soufi (CMAF-FCUL)
  Statistical stability for systems admitting Markov induced maps. (30/5/13)
• Mohammad Soufi (CMAF-FCUL)
  Strong statistical stability of non-uniformly expanding maps. (23/5/13)
• Hassan Alishah (CMAF-FCUL)
  The C^1 closing lemma. (16/5/13)
• José Pedro Gaivão (CEMAPRE-ISEG)
  Piecewise contractions and outer billiards. (9/5/13)
• Arturo Vieiro (Universitat de Barcelona)
  Dynamics of systems with a homoclinic figure-eight. (3/5/13)
• Arturo Vieiro (Universitat de Barcelona)
  Dynamics of 4D symplectic maps near a doubly resonant point. (2/5/13)
• Claire Chavaudret (Université de Nice Sophia Antipolis)
  Reducibility of quasi-periodic cocycles under a Brjuno-Rüssmann arithmetical condition. (2/5/13)
• Eugene Gutkin (Nicolaus Copernicus University)
  Mathematics of orbit blocking. (2/5/13)
• Diogo Pinheiro (CEMAPRE-ISEG)
  Dynamic programming for Itô diffusions. (9/4/13)
• Diogo Pinheiro (CEMAPRE-ISEG)
  Dynamic programming for ordinary differential equations. (2/4/13)
• Mohammad Soufi (CMAF)
  Statistical stability in chaotic dynamical systems. (21/3/13)
• Nuno Luzia (Universidade Federal do Rio de Janeiro)
  Hausdorff dimension of certain self-affine sponges. (15/3/13)
• José Pedro Gaivão (CEMAPRE-ISEG)
  Method of Averaging. (14/3/13)
• Gianluigi Del Magno (CEMAPRE-ISEG)
  Speed of mixing and Young's tower method. (5/3/13)
• Hassan Alishah (CMAF)
  Franks lemma in different differential geometric setting. (26/2/13)
• João Lopes Dias (CEMAPRE-ISEG)
  Geometry of numbers and a Diophantine duality. (19/2/13)
• Pedro Duarte (CMAF-FCUL)
  Formula for the Top Lyapunov Exponent. (12/2/13)
• Silvius Klein (CMAF-IMAR)
  Continuity of Lyapunov exponents for random 2D matrices (II). (5/2/13)
• Silvius Klein (CMAF-IMAR)
  Continuity of Lyapunov exponents for random 2D matrices (I). (1/2/13)

16 Sessions in 2012

• Hassan Alishah (Instituto Superior Técnico - UTL)
  A KAM type theorem for presymplectic mappings. (17/12/12)
• Ana Rodrigues (KTH - Stockholm)
  Averaging Theory and Differential Equations. (12/12/12)
• Mohammad Soufi (Universidade do Porto)
  Statistical stability for Lorenz attractors. (12/12/12)
• Joana Torres (Universidade do Minho)
  Stability and Shades of Hyperbolicity for Hamiltonians. (12/12/12)
• Ana Rodrigues (KTH - Royal Institute of Technology, Stockholm, Sweden)
  Double Standard Maps. (28/11/12)
• Silvius Klein (Institute of Mathematics "Simion Stoilow" of the Romanian Academy (IMAR), Bucharest)
  Harmonic Analysis Tools in the Study of Lyapunov Exponents. (21/11/12)
• Silvius Klein (Institute of Mathematics 'Simion Stoilow' of the Romanian Academy, Bucharest)
  The Avalanche Principle. (3/10/12) pdf
• João Carmona (Universidade de Cabo Verde / Universidade de Lisboa)
  Medida de Erdös. (26/9/12) pdf
• Silvius Klein (Institute of Mathematics 'Simion Stoilow' of the Romanian Academy, Bucharest)
  Positivity of the Lyapunov exponent for Schrodinger cocycles defined by skew-shift dynamics and large non-analytic potential functions. (19/9/12) pdf
• Sasa Kocic (ISEG-CEMAPRE)
  Renormalization and rigidity theory for circle diffeomorphisms with breaks. (12/7/12)
• Roman Hric (Matej Bel University, Banska Bystrica-Slovakia)
  On dense orbits of flows and maps. (5/7/12)
• Pedro Teixeira (FCUP)
  Non-hyperbolic singularities and periodic orbits: what can be learned from the topological-dynamical approach? (21/6/12) pdf
• Leonid A. Bunimovich (Georgia Institute of Technology, Atlanta, USA)
  Finite Time Dynamics. (29/3/12)
• Roberto Markarian (IMERL, Universidad de la República, Uruguay)
  Structure and evolution of strange attractors in non-elastic triangular billiards. (28/3/12)
• Nuno Luzia (Universidade Federal do Rio de Janeiro)
  Dynamical Borel-Cantelli lemma for non-uniformly hyperbolic systems. (18/1/12)
• Nuno Luzia (Universidade Federal do Rio de Janeiro)
  Minicourse on Probability: Lecture 2. (9/1/12)

21 Sessions in 2011

• Nuno Luzia (Universidade Federal do Rio de Janeiro)
  Minicourse on Probability: Lecture 1. (19/12/11)
• Gianluigi Del Magno (CEMAPRE-ISEG)
  Overview of Markarian's papers on dissipative billiards. (16/9/11)
• Paulo Varandas (Universidade Federal da Bahia)
  Exponential decay of correlations for Lorenz-like attractors. (29/6/11)
• Pedro de Mendonça (Centre for Complexity Science, University of Warwick)
  Nonlinear and Evolutionary Phenomena in Deterministic Growing Economies. (22/6/11)
• Robert MacKay (Warwick Mathematics Institute)
  Hubble's law without a big bang. (16/6/11)
• Alberto Adrego Pinto (LIAAD-INESC Porto LA and Universidade do Porto)
  Renormalizing the pendulum after Galileo's observation. (16/6/11)
• Claude Baesens (Warwick Mathematics Institute)
  Interaction of two systems with saddle-node bifurcation on invariant circle. (16/6/11)
• Helena Reis (Faculdade de Economia, Universidade do Porto)
  Relações em $\operatorname{Diff}(\mathbb C,0)$ e topologia de folhas na vizinhança de curvas invariantes. (31/5/11)
• Julio Rebelo (Université Paul Sabatier - Toulouse III)
  Sobre a regularidade da medida estacionária para subgrupos não discretos de $\operatorname{Diff}(S^1)$ e resultados de rigidez. (31/5/11)
• Alexey Osipov (Saint Petersburg State University)
  Theory of shadowing and its applications. (18/5/11) pdf
• Célia Ferreira (Universidade do Porto)
  Some results on Hamiltonian and on conservative dynamics. (11/5/11)
• Salete Esteves (EsACT - Instituto Politécnico de Bragança)
  Ciclos heterodimensionais monótonos. (4/5/11)
• João Lopes Dias (CEMAPRE-ISEG)
  Spectral approach for dynamical cocycles II. (13/4/11)
• João Lopes Dias (CEMAPRE-ISEG)
  Spectral approach for dynamical cocycles I. (6/4/11)
• José Pedro Gaivão (CEMAPRE-ISEG)
  From smooth to real analytic perturbations. (23/3/11)
• João Lopes Dias (ISEG)
  Hamiltonian suspensions of Poincaré sections. (9/3/11)
• Pedro Duarte (CMAF-FCUL)
  On the Gap Lemma. (16/2/11) pdf
• Gianluigi Del Magno (CEMAPRE-ISEG)
  The Hilbert projective metric. (10/2/11)
• Gianluigi Del Magno (CEMAPRE-ISEG)
  Positivity of the largest Lyapunov exponent for products of random matrices. (3/2/11)
• José Pedro Gaivão (CEMAPRE-ISEG)
  Persistence of homoclinic tangencies and $C^\omega$-universality. (11/1/11)
• José Pedro Gaivão (CEMAPRE- ISEG)
  Persistence of homoclinic tangencies for area-preserving maps. (6/1/11)

32 Sessions in 2010

• Thierry de la Rue (Université de Rouen)
  Random Fibonacci sequences (Video from MSRI). (21/12/10)
• João Lopes Dias (CEMAPRE-ISEG)
  The stationary measure of the random Fibonacci sequence. (16/12/10)
• Pedro Duarte (CMAF-FCUL)
  Top Lyapunov exponent continuity for products of random matrices. (9/12/10)
• Pedro Duarte (CMAF-FCUL)
  Invariant filtrations for products of random matrices. (2/12/10)
• José Pedro Gaivão (CEMAPRE)
  The inner problem of the Hamiltonian-Hopf bifurcation. (26/11/10)
• Gianluigi Del Magno (CEMAPRE- ISEG)
  The top Lyapunov exponent for products of random matrices (II). (18/11/10)
• Gianluigi Del Magno (CEMAPRE- ISEG)
  The top Lyapunov exponent for products of random matrices (I). (11/11/10)
• Paulo Pinto (Universidade do Porto)
  Periodic orbits and density of first Poincaré returns inside of some chaotic attractor. (4/11/10)
• João Lopes Dias (ISEG)
  Transversality for Bernoulli convolutions. (28/10/10)
• Pedro Duarte (CMAF-FCUL)
  Singular vs Absolutely Continuous measures in Self-Similar Iterated Function Systems. (21/10/10)
• Gianluigi Del Magno (CEMAPRE-ISEG)
  Invariant measure for random dynamical systems. (14/10/10)
• Diogo Pinheiro (ISEG)
  Existence and uniqueness of solutions of stochastic differential equations with diffusive term driven by a Brownian motion. (7/10/10) pdf
• Nuno Azevedo (ISEG)
  An overview of the Martingale Representation Theorem. (30/9/10) pdf
• Anton Gorodetski (University of California, Irvine)
  On conservative homoclinic bifurcations. (3/9/10)
• Nuno Luzia (Instituto de Matemática-Universidade Federal do Rio de Janeiro, Brasil)
  Hausdorff dimension of random nonconformal fractals. (4/8/10)
• Bruno Maia (Universidade Autónoma de Lisboa)
  Periodic points for the beta-transformation in the Pisot and Salem case. (16/6/10)
• Roberto Markarian (IMERL, Universidad de la República, Montevideo, Uruguay)
  Attractors in billiards with dominated splitting. (9/6/10)
• Diogo Pinheiro (ISEG - Universidade Técnica de Lisboa)
  Some questions regarding behavioural and dynamical scenarios for contingent claims valuation. (2/6/10)
• Roman Hric (Matej Bel University, Banska Bystrica-Slovakia)
  Minimality, transitivity and problems with dense orbits. (20/5/10)
• José Pedro Gaivão (University of Warwick)
  Splitting of invariant manifolds for the Hamiltonian-Hopf bifurcation. (19/5/10)
• Tobias Wichtrey (Universität Augsburg)
  Harmonic limits of dynamical systems. (12/5/10)
• Jerome Rousseau (Université de Bretagne Occidentale)
  Poincaré recurrence for observations and applications to random dynamical systems. (5/5/10)
• Diogo Pinheiro (ISEG - Universidade Técnica de Lisboa)
  First Fundamental Theorem of Mathematical Finance. (14/4/10)
• Gianluigi Del Magno (CEMAPRE-ISEG)
  How to prove that hyperbolic systems are ergodic: the Hopf argument. (17/3/10)
• Alexandre Rodrigues (CMUP)
  Chaotic cycling. (10/3/10)
• Célia Ferreira (FCUP-CMUP)
  On the stability of the set of hyperbolic closed orbits and equilibria for Hamiltonians. (24/2/10)
• Lorenzo Diaz (PUC - Rio)
  Robust cycles (homoclinic tangencies and heterodimensional cycles). (9/2/10)
• César Silva (Universidade da Beira Interior)
  Lyapunov exponents for continuous maps. (9/2/10)
• Katrin G. Gelfert (IMPA)
  Non-uniformly hyperbolic structures. (9/2/10)
• Diogo Pinheiro (ISEG - Universidade Técnica de Lisboa)
  An asymptotic universal focal decomposition for non-isochronous potentials. (3/2/10)
• Alexandre T. Baraviera (Universidade Federal do Rio Grande do Sul)
  Zero temperature limits for certain equilibrium states. (20/1/10)
• Paulo Varandas (Departamento de Matemática, Universidade Federal da Bahia)
  Expanding measures, equilibrium states and topological invariants. (13/1/10)

29 Sessions in 2009

• Carla Dias (Escola Superior Agrária de Elvas)
  Geometry of expanding absolutely continuous invariant measures and the liftability problem. (14/12/09)
• João Lopes Dias (ISEG)
  Almost reducibility of skew-product linear flows. (9/12/09)
• Diogo Pinheiro (ISEG - Universidade Técnica de Lisboa)
  An overview of the Itô formula. (2/12/09) pdf
• Helder Vilarinho (Universidade da Beira Interior)
  Strong stochastic stability for non-uniformly expanding maps, Part II. (18/11/09)
• Pedro de Mendonça (Centre for Complexity Science, University of Warwick)
  The Macrodynamics of Growing Open Economies under Financial Convex Adjustment Costs: Critical Dynamical Thresholds and Endogenous Cycles. (11/11/09)
• Helder Vilarinho (Universidade da Beira Interior)
  Strong stochastic stability for non-uniformly expanding maps, Part I. (4/11/09)
• Diogo Pinheiro (ISEG - Universidade Técnica de Lisboa)
  Some properties and extensions of the Itô integral. (21/10/09) pdf
• Diogo Pinheiro (ISEG - Universidade Técnica de Lisboa)
  A construction of the Itô integral. (14/10/09) pdf
• Pedro Duarte (FCUL)
  Expoentes de Lyapunov para cociclos com valores em $SL(2,\mathbb R)$. (7/10/09)
• Jochen Broecker (Max-Planck Institut for the Physics of Complex Systems)
  On Data Assimilation through Variational Calculus. (30/9/09)
• Jochen Broecker (Max-Planck Institut for the Physics of Complex Systems)
  Nonlinear Filtering -- Applications and Problems. (25/9/09)
• João Lopes Dias (ISEG - Universidade Técnica de Lisboa)
  Lyapunov exponents of analytic $SL(2,\mathbb C)$-cocycles over circle rotations. (14/7/09)
• Pawel Pilarczyk (Universidade do Minho)
  A database schema for the analysis of global dynamics of multi-parameter systems. (9/7/09)
• Gianluigi del Magno (Universidade Técnica de Lisboa)
  Repelling periodic potentials in the plane. (2/7/09)
• Mike Todd (Universidade do Porto)
  Thermodynamic formalism for unimodal maps. (16/6/09)
• Gianluigi del Magno (Universidade Técnica de Lisboa)
  Filtering for chaotic maps. (3/6/09)
• Gianluigi del Magno (Universidade Técnica de Lisboa)
  Filtering for chaotic maps. (28/5/09)
• Vassili Gelfreich (Warwick Mathematics Institute, Warwick University)
  Fermi Acceleration in non-autonomous billiards. (21/5/09)
• Vassili Gelfreich (Warwick Mathematics Institute, Warwick University)
  Almost random works of slow variables. (21/5/09)
• Diogo Pinheiro (ISEG - Universidade Técnica de Lisboa)
  Constructions of Brownian motion II. (14/5/09) pdf
• Diogo Pinheiro (ISEG - Universidade Técnica de Lisboa)
  Constructions of Brownian motion. (7/5/09) pdf
• João Lopes Dias (ISEG - Universidade Técnica de Lisboa)
  Avila-Bochi formula for certain products of 2x2 matrices. (23/4/09) pdf
• Gianluigi del Magno (Universidade Técnica de Lisboa)
  Spectral and ergodic properties of smooth expanding maps. (16/4/09)
• Gianluigi del Magno (Universidade Técnica de Lisboa)
  Random Dynamical Systems. (2/4/09) pdf
• João Lopes Dias (ISEG - Universidade Técnica de Lisboa)
  Herman's subharmonic trick. (26/3/09) pdf
• Pedro Duarte (Universidade de Lisboa)
  Notes on Furstenberg's paper "Noncommuting Random products", Part II. (19/3/09) pdf
• Pedro Duarte (Universidade de Lisboa)
  Notes on Furstenberg's paper "Noncommuting Random products", Part I. (12/3/09) pdf
• Flavia Malta Branco (Universidade Federal do Rio Grande do Sul)
  Sub-actions and maximizing measures. (9/2/09)
• Alexandre T. Baraviera (Universidade Federal do Rio Grande do Sul)
  Some results on quantum graphs. (29/1/09)

4 Sessions in 2008

• Diogo Pinheiro (ISEG - Universidade Técnica de Lisboa)
  A scattering map for the interaction of two charges in a uniform magnetic field. (31/10/08)
• Pedro Martins Rodrigues (Departamento de Matemática do IST)
  Periodic structure of Hyperbolic Toral Automorphisms. (28/5/08)
• Sasa Kocic (Universidade de Texas, Austin)
  Renormalization of vector fields, and applications to invariant tori and reducibility problems. (14/4/08)
• Saša Kocić (CEMAPRE - ISEG)
  Renormalization of flows, invariant tori and reducibility. (14/3/08)

3 Sessions in 2007

• João Carlos Alves Barata (Deptartamento de Fisica Matemática, Universidade de São Paulo Brasil)
  Stability for quasi-periodically perturbed Hill's equations. (14/12/07)
• Marcelo Viana (IMPA)
  Continuidade absoluta e rigidez. (13/12/07)
• Artur Avila (IMPA/CNRS)
  Cociclos quasiperiodicos. (3/5/07)