Ergodic theory working group
Spring 2019 - Mondays Noon to 1:00pm in LCB 218
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February 4th:
Jon Chaika - A transformation that is K and not Bernoulli following Kalikow (Part II)
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January 28th:
Jon Chaika - A transformation that is K and not Bernoulli following Kalikow (Part I)
Spring 2018 - Wednesdays 10:00am to 11:00am in LCB 218
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April 18th:
Donald Robertson - Classifying stationary measures on the torus following Benoist and Quint
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April 11th:
Matt Smith - Generic weak mixing of IETs and translation flows
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April 4th:
Donald Robertson - Classifying stationary measures on the torus following Benoist and Quint
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March 21st:
Jon Chaika - Poisson processes
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March 14th:
Donald Robertson - McMullen's work on SL(2,R) orbit closures in H(2)
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March 7th:
Donald Robertson - McMullen's work on SL(2,R) orbit closures in H(2)
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February 28th:
Donald Robertson - McMullen's work on SL(2,R) orbit closures in H(2)
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February 21st:
Leonard Carapezza - Variational Principles and Mixed Multifractal Spectra
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February 7th:
Donald Robertson - McMullen's work on SL(2,R) orbit closures in H(2)
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January 24th:
Jon Chaika - Factors of simple systems
Summer 2017 - Wednesdays 3:15pm to 4:15pm in JWB 240
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July 12th:
Leonard Carapezza - Sharkovsky's theorem
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July 3rd (a Monday):
Matt Smith - No focal points and measures of maximal entropy
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June 28th:
Donald Robertson - A weakly mixing system with a joining that has eigenfunctions
Autumn 2016 - Mondays 3:05pm to 4:10pm in JWB 308
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November 28th: Perhaps the archaeologists will figure out what was discussed
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November 21st:
Jon Chaika - Ratner's theorem for SL(2,R) \rtimes R
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November 14th:
Leonard Carapezza - Boshernitzan's criterion for unique ergodicity
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November 7th:
Donald Robertson - Furstenberg's proof of the Borel density theorem
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October 24th:
Jon Chaika - The Veech dichotomy
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October 17th:
Ioannis Konstantoulas - Mixing Markov shifts, Bernoulli systems and finitely determined partitions
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October 3rd:
Donald Robertson - Joinings
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September 26th:
Matt Smith - Fubini foiled
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September 12th:
Xuesong Bai - Expanding maps of the circle: a simple example and its structural stability
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August 29th:
Jon Chaika - The Katok, Sataev, Veech construction of minimal and not uniquely ergodic Z/2 skew products over rotations
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August 22nd:
Leonard Carapezza - Conjugacy of ergodic transformations with discrete spectrum
Summer 2016 - Wednesdays 2:00pm to 3:00pm in JWB 208
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August 17th:
Donald Robertson - Furstenberg's proof of unique ergodicity for compact quotients of SL(2,R)
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August 3rd:
Jon Chaika - Ornstein's theorem on entropy as a complete invariant for Bernoulli shifts
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July 20th:
Jon Chaika - Ornstein's theorem on entropy as a complete invariant for Bernoulli shifts
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July 13th:
Jon Chaika - Host's theorem on mixing of all orders
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July 6th:
Donald Robertson - Host's theorem on mixing of all orders
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June 29th:
Donald Robertson - Gaussian dynamical systems
Spring 2016 - Mondays 3:15pm to 4:15pm in JWB 208
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May 2nd:
Matt Smith - Systems with unique equilibrium states
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April 25th:
Ioannis Konstantoulas - Mixing, counting and equidistribution in Lie groups
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April 18th:
Jon Chaika - Mixing, counting and equidistribution in Lie groups
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April 4th:
Donald Robertson - Ultrafilters in ergodic theory
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March 28th:
Jon Chaika - The Jewett-Krieger theorem
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March 7th:
Leonard Carapezza - Site percolations on d-dimensional lattices
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February 29th:
Ioannis Konstantoulas - Quantum unique ergodicity
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February 22nd:
Ioannis Konstantoulas - Quantum unique ergodicity
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February 8th:
Jon Chaika - Oseledet's multiplicative ergodic theorem
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February 1st:
Donald Robertson - The proof of Szemeredi's theorem
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January 25th:
Donald Robertson - The proof of Szemeredi's theorem