Arbeitsgemeinschaft Ergodentheorie

Events before Winter 2018/19

Summer 2018:

  •    8 Mar 2018:   Timo Spindeler (Bielefeld):  Mathematical diffraction of point sets in Rd  - deterministic vs random.   
  •   12 Apr 2018:   Roland Zweimüller (U Vienna):   Hitting times of - and processes in - rare events via short-time decorrelation conditions.
       
  •   19 Apr 2018:    Henk Bruin (U Vienna): On the shape of the pressure function near infinite measure systems.  

  •    3 May 2018:  Yasushi Nagai (Leoben):  A construction of almost-periodic Delone sets. 

  •   24 May 2018:  Tom Kempton (Manchester):  On the Hausdorff dimension of Bernoulli convolutions.

  •   30 May 2018:  Iztok Banic (Maribor):  Extending bonding functions in generalized inverse sequences.

  •   27 June 2018:  Gabriella Keszthelyi (Budapest):  Dynamical properties of biparametric skew tent maps.


 

Winter 2017/18: 


  •    5 Oct 2017:   Roland Zweimüller (U Vienna):  On rare events in measure preserving systems. 

  •  12 Oct 2017:   Henk Bruin (U Vienna): Matching for one-dimensional maps.

  •  24 Oct 2017:   Evgeny Verbitskiy (Leiden):   Transformations of Gibbs measures.

  •   9 Nov 2017:   Giorgo Cipolloni (IST Austria):   Deterministic walks.

  •  16 Nov 2017:   Henna Koivusalo (U Vienna):  Dimension of self-affine sets for fixed translation vectors.

  •  20 - 24 Nov 2017:   Pierre-Antoine Guihéneuf (Paris 6):   minicourse on  
                                  Spatial Discretizations of Generic Dynamical Systems     within the VDS, details here.

  •  30 Nov 2017:   Homero Canales (UNAM Mexico):  Discrete Dynamical Systems - a survey in transitivity. 

  •   7 Dec 2017:  Ana Anusic (Zagreb):  On the Nadler-Quinn problem.
  •  14 Dec 2017:   Jernej Cinc  (U Vienna):   Accessible points of some planar continua.  (Thesis defence)

  •  18 Jan 2018:  Benthen Zeegers (Leiden):  On Lochs' Theorem and transfer operators for random interval maps. 

  •  25 Jan 2018:  Maik Gröger  (U Vienna):   Low complexity and aperiodic order.

 

Summer 2017:

  •    9 Mar 2017:  Bernd Kumhera (U Vienna):  Measure Theoretic Chaos and Sensitivity II. 
  •  16 Mar 2017:  Gernot Greschonig (PH Niederösterreich):  Real cocycles of point-distal minimal flows.

  •  23 Mar 2017:  Jan Tesarcik (Opava): On the spectrum of dynamical systems on trees.

  •  30 Mar 2017:   Michal Rams (Warsaw):  Birkhoff multifractal spectra for piecewise monotone maps of the interval.

  •  27 Apr 2017:   Vojtěch Pravec (Opava):  On dynamics of  triangular maps of the square with zero topological entropy. 

  •  3-5 May 2017:   Ana Anusic (Zagreb) will offer a minicourse on unimodal dynamics within the VDS, details here.

  •  11  May 2017:   Lubomir Snoha (Banská Bystrica):   Possibilities for the set of all supremum topological sequence entropies on a space.

  •  16-19 May 2017:  Jan P. Boronski (Krakov & Ostrava): minicourse on
                                Fixed Point Property and Minimal Dynamical Systems     within the VDS, details here.

  •  1 June 2017:   Benjamin Miller (U Vienna):  Some interactions between descriptive set theory and ergodic theory.

  •  7-11 June 2017:  James J. Walton :  Minicourse on Topological methods in aperiodicity within the VDS, details here.

  •  6 July 2017:   Anima Nagar (Indian Institute of Technology, Delhi): On factorizations among beta-shifts. 

 


Winter 2016/17:

  •  13 Oct 2016:  Klaus Schmidt (U Vienna):  Permutations of Zd with restricted movement.
  •  20 Oct 2016:  Jonathan Fraser (St Andrews):  The Assouad spectrum: scaling and homogeneity in metric spaces.

  •   3 Nov 2016:   Ziga Virk  (IST Austria):  Fundamental groups of inverse limits.

  •   1 Dec 2016:   Benjamin Vejnar (Charles University Prague):  Borel reductions of analytic equivalences.

  •  15 Dec 2016:  Jörg Thuswaldner (U Leoben):  S-adic dynamical systems.  

  •  12 Jan 2017:  Bernd Kumhera (U Vienna):  Measure Theoretic Chaos and Sensitivity.

  •  19 Jan 2017:  Ligia L. Cristea (TU Graz):  Labyrinth fractals and their magic. 

 

 

Summer 2016: 

    Note that a lot more was going on this term ( thematic programme at ESI ) !  

  • 11 Feb 2016:  Arnaldo Nogueira (Marseille):  Piecewise contraction maps on the interval.

  •  3 Mar 2016:  Jernej Cinc (U Vienna):  Accessible endpoints of some planar embeddings of inverse limit spaces of tent maps.

  • 10 Mar 2016:  Paul Surer (BOKU Vienna): Dynamical properties of the tent map.

  • 14 Apr 2016:  Ulrich Rößler (U Vienna):   Scaling limit of 1-dimensional random diffusions.

  •   2 Jun 2016:  Klaus Scheicher (BOKU Vienna):   Ziffernsysteme in nichtarchimedischen Ringen.

  •   9 Jun 2016:  Henna Koivusalo (York):  Cut and project sets and Diophantine approximation.

 

Summer 2015:

  •  5 Mar 2015:  Marks Ruziboev (ICTP / SISSA Trieste):  Young towers for product systems.
  • 19 Mar 2015:  Roland Zweimüller (U Vienna):  Poisson suspensions of infinite measure systems.
  • 26 Mar 2015:  Some slightly informal introductory talks intended for graduate students.

  • 27 Mar 2015:  Andras Némedy Varga (BME Budapest): Coupling and standard pairs.

  • 27 Apr 2015:  Vadim Kaimanovich (Ottawa):  Boundary actions of random subgroups.

  • 15 May 2015:  Maria Rita Iaco (Graz):  A bridge between ergodic theory and uniform distribution. 

  • 18 June 2015:  two talks (and therefore even more cake!) 

  • 25 June 2015:  Hanna Oppelmayer (U Vienna):   Entropy in infinite measure preserving systems. 



Winter 2014/15:

  •   6 Oct 2014:  Ana Anusic (Zagreb):  Arc components of inverse limits of tent maps.

  •   9 Oct 2014:  Michael Lin (Ben Gurion):  Positive Ritt contractions in Lp.

  •   30 Oct 2014:  Magdalena Forys (AGH Krakow): The modified Weiss-Katznelson method and dynamical properties of shifts.

  •   13 Nov 2014:  Roland Zweimüller (U Vienna):  Return- and hitting-time limits in infinite measure systems.
     
  •   27 Nov 2014:  Michael Drmota (TU Vienna): The Thue-Morse sequence along squares is normal.

  •    4 Dec 2014:  Piotr Oprocha (Krakow):  Return times and synchronous recurrence.  



Summer 2014: 

  •    31 Mar 2014:   Karoly Simon (Budapest):  Projections and slices of Mandelbrot percolations.

  •    3 Apr 2014:  Gian Luigi Forti (Milan):  Symbolic dynamics generated by graphs.

  •    28 Apr 2014:   Boris Hasselblatt (Tufts):  Statistical properties of deterministic systems by elementary means.   

  •    19 May  2014:   Jan Boronski (Ostrava):  On chaos and indecomposability.

  •    1 July  2014:   Liejune Shiau (Houston):  Adaptations in spiking correlations in an exponential integrate-and-fire model.



Winter 2013/14:

  •  7 Oct 2013:   Tomasz Kulaga (AGH Krakow):  Graph directed IFS for hyperbolic mappings.

  • 14 Oct 2013:   Ian Melbourne (University of Warwick):   Iterated central limit theorem and invariance principle.

  • 21 Oct 2013:  Michael Hofbauer-Tsiflakos (U Vienna):  Local ergodicity in Hamiltonian systems with singularities.

  • 5 Nov 2013:  Wolfgang Woess (TU Graz): Stochastic Dynamical Systems with weak contractivity properties.

  • 18 Nov 2013:  Benoit Loridant (MU Leoben): Fundamental groups of Rauzy fractals.

  •  9 Dec 2013:  Victor Sirvent (U Simón Bolívar, Caracas): Space-filling curves, expanding maps on the circle and geodesic laminations.

  • 23 Dec 2013:  Jeroen Lamb (Imperial College):  Dynamics of Coupled Maps in Heterogeneous Random Networks.

  • 13 Jan 2014:  Péter Bálint (BME Budapest): Toy models motivated by heat conduction.

  • 20 Jan 2014:  Andras Némedy Varga (BME Budapest): On the coupling of standard pairs.

  • 27 Jan 2014:  Imre Peter Toth (BME Budapest): Averaging and convergence to a Markov jump process in a heat conduction model with collisions.

  • 20 Feb 2014: Jernej Cinc (U Vienna): Half-homogeneous chainable continua with endpoints.

  • 28 Feb 2014: Peter Szmolyan (TU Wien):  Geometric singular perturbation theory beyond the standard form.

     

    Summer 2013:

    •  4 Mar 2013:  Athanase Papadopoulos (University of Strasbourg):   Actions of mapping class groups.

    •  9 Apr 2013:   Henk Bruin (U Vienna):   On multidimensional continued fractions.

    • 15 Apr 2013:  Jörg Thuswaldner (University of Leoben):  S-adic Rauzy fractals.

    • 22 Apr 2013:  Stefan Thurner (Med Uni Vienna):  Entropies for non-ergodic complex systems - towards a world behind Shannon.

    •  6 May 2013:    Peter Raith (U Vienna):  Hausdorff dimension of invariant subsets of small dimensional dynamical systems.

    • 13 May 2013:    Michal Kupsa (Czech Academy of Sciences):  Return times statistics for stationary processes - strong mixing property vs zero entropy.

    • 27 May 2013:    Andrei Khrennikov (Linnaeus University Växjö-Kalmar):  Ergodicity and measure-preserving for p-adic dynamical systems.

    • 10 June 2013:   Arno Berger (University of Alberta):   Digit distributions in Dynamics.

    • 17 June 2013:   Robbert Fokkink (TU Delft):   Caching games.

    • 24 June 2013:   Roland Zweimüller (U Vienna):   The general asymptotic return-time process.

     

     

     

    Winter 2012/2013:

      <small></small>

    •  8 Oct 2012:  Oliver Butterley (U Vienna):  Expanding Semiflows on Branched Surfaces. 

    • 15 Oct 2012:  Henk Bruin (U Vienna):  Thermodynamics for Lebesgue dissipative interval maps.

    • 22 Oct 2012:  Henk Bruin (U Vienna):  Renormalization and potential functions for substitution subshifts.

    • 29 Oct 2012:  Gabriel Strasser (U Vienna): Algebraic Zd -actions and abelian sandpiles.

    • 5  Nov 2012:  Klaus Schmidt (U Vienna): Irreducible automorphisms of compact groups. 

    • 12 Nov 2012:  Franz Hofbauer (U Vienna): Multifractal analysis for piecewise monotone interval maps.

    • 19 Nov 2012:  Peter Grabner (TU Graz):  Combinatorial and dynamic properties of systems of numeration.

    • 26 Nov 2012:  Reinhard Winkler (TU Wien):  The fundamental group of certain fractals.

    • 4 Dec 2012:  Gabriel Strasser (U Vienna): Algebraic Zd -actions and abelian sandpiles II.
    • 17 Dec 2012:  Gabriel Strasser (U Vienna): Algebraic Zd -actions and abelian sandpiles III.

    • 8 Jan 2013:  Sonja Stimac (University of Zagreb): Entropy of homeomorphisms on unimodal inverse limit spaces.

    • 14 Jan 2013:  Nicole Winterberg (U Vienna): Return and hitting time statistics.

    • 21 Jan 2013:  Anna Benini (University of Pisa): Combinatorics and distribution of fixed points for entire transcendental functions.