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Dynamics
Geometry

The Center for Dynamics and Geometry

Past Seminars

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Seminars from the Previous Semesters
Spring 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995
Fall 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995



Center for Dynamics and Geometry Seminar
Fall 2006

September

Monday 11
3:35pm -- 4:35pm		 106 McAllister Dolgopyat
(PSU) 		Fourier law and random walks in random environment
Wednesday 13
3:35pm -- 4:35pm		 106 McAllister Tabachnikov
(PSU) 		Configuration space of plane polygons, sub-Riemannian geometry and periodic orbits of inner and outer billiards
Wednesday 20
3:35pm -- 4:35pm		 106 McAllister Luzzatto
(Imperial College) 		Stable manifolds under very weak hyperbolicity conditions
Wednesday 27
3:35pm -- 4:35pm		 106 McAllister Nikita Netsvetaev
(Univ. Of St. Petersburg) 		The cube conjecture and nonintegrable analog of Dvoretzky theorem

October

Monday 2
3:35pm -- 4:35pm		 106 McAllister A. Katok
(PSU) 		Measure rigidity beyond uniform hyperbolicity I
Wednesday 4
3:35pm -- 4:35pm		 106 McAllister A. Katok
(PSU) 		Measure rigidity beyond uniform hyperbolicity II
Monday 9
3:35pm -- 4:35pm		 106 McAllister Kaloshin
(PSU)		 Hausdorff dimension of oscillatory motions for the Sitnikov example and the restricted planar circular 3-body problem
Wednesday 11
3:35pm -- 4:35pm		 106 McAllister O. Musin
(Moscow State and Stanford) 		The kissing problem in three and four dimensions
Monday 16
3:35pm -- 4:35pm		 106 McAllister Timorin
(Stony Brook)		 Topological models for some quadratic rational maps
Wednesday 18
3:35pm -- 4:35pm		 106 McAllister Lisa Traynor
(Bryn Mawr) 		Legendrian Torus Links
Wednesday 25
3:35pm -- 4:35pm		 106 McAllister Misha Guysinsky
(PSU) 		Hölder conjugacy of Anosov diffeomorphisms
Monday 30
3:35pm -- 4:35pm		 106 McAllister Y. Pesin
(PSU) 		Thermodynamics Associated to Inducing Schemes

November

Thursday 2 to Sunday 5
106 McAllister
Semi-annual Workshop in Dynamical Systems and Related Topics
Monday 6
3:35pm -- 4:35pm		 106 McAllister A. Gorodetski
(Cal Tech) 		On area-preserving Newhouse phenomena
Wednesday 8
3:35pm -- 4:35pm		 106 McAllister Giorgio Mantica
(Univ. dell'Insubria ) 		Generalised measure dimensions and quantum intermittency
Monday 13
3:35pm -- 4:35pm		 106 McAllister V. Kaloshin
(PSU) 		Arnold diffusion for the restricted planar 3 body problem
Wednesday 15
4:00pm -- 5:00pm		 106 McAllister The Center for Dynamics and Geometry Colloquium

Dusa McDuff
(SUNY at Stony Brook) 		Symplectic Characteristic Classes
Monday 20
3:35pm -- 4:35pm		 106 McAllister This time slot is available
Wednesday 22
3:35pm -- 4:35pm		 106 McAllister Thanksgiving No seminar

December

Wed 6 (First Talk)
3:35pm -- 4:35pm		 106 McAllister P. Balint
(Budapest University of Technology and Economics)		 Complexity of singularities and its role in the mixing properties multidimensional dispersing billiards
Wed 6 (Second Talk)
4:40pm -- 5:40pm		 106 McAllister The Center for Dynamics and Geometry Colloquium

Yulij Ilyashenko
(Cornell, Moscow State and Independent Universities) 		Total rigidity of polynomial foliations
Mon 11
3:35pm -- 4:35pm		 106 McAllister A. Tempelman
Pointwise ergodic theorems for group representations
Wednesday 13
3:35pm -- 4:35pm		 106 McAllister D. Dolgopyat
(PSU) 		Dynamics of a bouncing ball


Center for Dynamics and Geometry Seminar
Spring 2006



 
This background color indicates a geometry talk
 

January

Wednesday 11
3:35 - 4:35 pm		 106 McAllister Nitica
(West Chester University)		 Stable transitivity of non-compact extensions
Monday 16
3:35 - 4:35 pm		 106 McAllister Martin Luther King Day
No seminar
Wednesday 18
3:35 - 4:35 pm		 106 McAllister Dolgopyat
(Maryland)		 Central limit theorem for finite modifications of Lorenz gas
Monday 23
3:35 - 4:35 pm		 106 McAllister Ke Zhang
(PSU)		 Phase transitions for uniformly expanding maps
Wednesday 25
3:35 - 4:35 pm		 106 McAllister Wing Kai Ho
(PSU)		 Manifolds without 1/k-geodesics
Monday 30
3:35 - 5:35 pm		 106 McAllister Athreya
(University of Chicago)		 The Teichmueller geodesic flow I

February

Wednesday 1
4:00 - 6:00 pm		 106 McAllister Athreya
(University of Chicago)		 The Teichmueller geodesic flow II
Monday 6
3:35 - 4:35 pm		 106 McAllister Windsor
(University of Texas)		 Exotic Densities for Uniquely Ergodic Diffeomorphisms
Wednesday 8
3:35 - 4:35 pm		 106 McAllister Wysocki
(PSU)		 Pseudoholomorphic curves and Hamiltonian dynamics
Monday 13
3:35 - 4:35 pm		 106 McAllister Torok
(Houston)		 Stability of mixing and rapid mixing for hyperbolic flows
Wednesday 15
3:35 - 4:35 pm		 106 McAllister Hofer
Quantitative Symplectic Geometry
Monday 20
3:35 - 4:35 pm		 106 McAllister Bonetto
(Georgia Tech)		 Some recent results on the fluctuation theorem: singularities, stochasticity and subsystems
Wednesday 22
3:35 - 4:35 pm		 106 McAllister Roe
Positive scalar curvature
Monday 27
3:35 - 4:35 pm		 106 McAllister Burns
(Northwestern) 		Ergodicity of partially hyperbolic diffeomorphisms

March

Wednesday 1
3:35 - 4:35 pm		 106 McAllister TBA
TBA
Monday 6
3:35 - 4:35 pm		 106 McAllister No seminar
Spring Break
Wednesday 8
3:35 - 4:35 pm		 106 McAllister No seminar
Spring Break
Monday 13
3:35 - 4:35 pm		 106 McAllister Breuillard
(Lille I)		 Random walks on nilpotent Lie groups
Wednesday 15
3:35 - 4:35 pm		 106 McAllister Breuillard
(Lille I)		 The asymptotic shape of metric balls in groups of polynomial growth
Monday 20
3:35 - 4:35 pm		 106 McAllister
Maryland Meeting
Wednesday 22
3:35 - 4:35 pm		 106 McAllister Croke
(University of Pennsylvania)		 Volume bounds on 3-spheres
Monday 27
3:35 - 4:35 pm		 106 McAllister Pollicott
(Warwick)		 Hausdorff dimension and random self-affine attractors
Wednesday 29
3:35 - 4:35 pm		 106 McAllister Kleiner
(Michigan)		 Bi-Lipschitz embedding in Banach spaces, Rademacher-type theorems, and functions of bounded variation

April

April 3
3:35 - 4:35 pm		 106 McAllister Mummert
(PSU)		 A thermodynamic formalism for noncontinuous potentials
Wednesday 5
3:35 - 4:35 pm		 106 McAllister Nevo
(Technion)		 Between measure-preserving and amenable actions: the dynamics of non-amenable groups
Monday 10
3:35 - 4:35 pm		 106 McAllister Luzzatto
(Imperial College)		 Markov structures and rates of mixing for non-uniformly expanding maps
Wednesday 12
3:35 - 4:35 pm		 106 McAllister Kaloshin
An example of a metric on 3-torus close to flat with Arnold diffusion (joint with M. Levi)
Monday 17
3:35 - 4:35 pm		 106 McAllister Schmeling
(Lund)		 Dyadic Diophantine approximation and Katok's horseshoe approximation in \beta-shifts
Wednesday 19
3:35 - 4:35 pm		 106 McAllister Spatzier
On rigidity of isomorphism for homogeneous actions
Monday 24
3:35 - 4:35 pm		 106 McAllister Aaronson
(Tel-Aviv)		 Exchangeable, Markov and Gibbs measures for subshifts
Wednesday 26
3:35 - 4:35 pm		 106 McAllister Rodriguez-Hertz
(IMERL)		 Ergodicity and accessibility for partially hyperbolic systems
This background color indicates a geometry talk

Center for Dynamics and Geometry Seminar
Fall 2005

September

Wednesday 7
3:30 - 4:30 pm		 106 McAllister The Center for Dynamics and Geometry Lecture Series
Y. Kurylev
(Loughborough)		 Boundary Control method for anisotropic inverse boundary value problems I
Monday 12
3:30 - 5:30 pm		 106 McAllister Omri Sarig
(PSU)		 Horocycle flows on periodic hyperbolic surfaces
Wednesday 14
3:30 - 4:30 pm		 106 McAllister The Center for Dynamics and Geometry Lecture Series
Y. Kurylev
(Loughborough)		 Boundary Control method for anisotropic inverse boundary value problems II
Monday 19
3:30 - 4:30 pm		 106 McAllister Kris Wysocki
(PSU)		 Fredholm theory on polyfolds I
Wednesday 21
3:30 - 4:30 pm		 106 McAllister Christina Sormani
(CUNY)		 Subsets of the Length Spectrum and Convergence
Monday 26
3:30 - 4:30 pm		 106 McAllister Anatole Katok
(PSU)		 Local differentiable rigidity of partially hyperbolic actions of higher rank abelian groups and algebraic K-theory I
Wednesday 28
3:30 - 4:30 pm		 106 McAllister S. Ivanov
(Steklov)		 Handling Branching Foliations

October

Wednesday 5
3:30 - 4:30 pm		 106 McAllister Kris Wysocki
(PSU)		 Fredholm theory on polyfolds II
Monday 10
3:30 - 4:30 pm		 106 McAllister Chengbo Yue
Chinese Academy of Sciences		 Invariant line field in the geodesic flow of negatively curved 3-manifolds and hyperbolization
Wednesday 12
3:30 - 4:30 pm		 106 McAllister Anatole Katok
(PSU)		 Local differentiable rigidity of partially hyperbolic actions of higher rank abelian groups and algebraic K-theory II
Fri 14--Mon 17
McAllister Building
Workshop in Dynamical Systems and Related Topics
Wednesday 19
3:30 - 4:30 pm		 106 McAllister L. Stolovitch
(Univ Paul Sabatier, Toulouse)		 Singular complete integrability
Monday 24
3:30 - 4:30 pm		 106 McAllister L. Stolovitch
(Univ Paul Sabatier, Toulouse)		 A KAM phenomenon for singular holomorphic vector fields
Wednesday 26
3:30 - 4:30 pm		 106 McAllister Richard Montgomery
(UC Santa Cruz)		 Fitting hyperbolic pants to a 3-body problem
Monday 31
3:30 - 4:30 pm		 106 McAllister Lev Birbrair
(Univ. Federal do Ceara)		 Singualr sets from a metric viewpoint

November

Wednesday 2
3:30 - 4:30 pm		 106 McAllister Alexander Lytchak
(Univ. of Bonn)		 Theorem of de Rham for metric spaces
Monday 7
3:30 - 4:30 pm		 106 McAllister Jane Hawkins
(UNC Chapel Hill)		 Doubly Periodic Chaos: the Dynamics of Iterated Elliptic Functions
Wednesday 9
3:30 - 5:30 pm		 106 McAllister Arturo Lopes
(Univ Rio Grande do Sul)		 Maximizing measures, subactions, and large deviations
Monday 14
3:30 - 4:30 pm		 106 McAllister Boris Kalinin
(South Alabama)		 Measure rigidity for nonuniformly hyperbolic actions
Wednesday 16
3:30 - 4:30 pm		 106 McAllister Anton Petrunin
(PSU)		 Almost nonnegatively curved manifolds
Monday 21
3:30 - 4:30 pm		 106 McAllister Dmitry Scheglov
(PSU)		 Symbolic dynamics and discrete spectrum for interval exchange transformations
Monday 28
3:30 - 4:30 pm		 106 McAllister Anatole Katok
(PSU) 		Nets and lattices in Euclidean spaces and cocycles over the Weyl chamber flow
Wednesday 30
3:30 - 4:30 pm		 106 McAllister Casim Abbas
A new approach to the Weinstein conjecture in dimension three

December

Wednesday 7
3:30 - 4:30 pm		 106 McAllister Michael Lin
(Ben Gurion University)		 Strong laws of large numbers for weighted averages

Center for Dynamics and Geometry Seminar
Spring 2005

That term also held a working seminar on Dynamics and its Tools

January

Monday Jan 10
3:30 - 4:30 pm		 122 Pond Augustin Banyaga
(Penn State University)		 The Hofer Metric, Part II
Wednesday Jan 12
3:30-4:30 pm		 122 Pond Helmut Hofer
(Courant Institute)		 Holomorphic Curves and Algebraic Invariants in Symplectic Geometry I
Monday Jan 17
3:30-4:30 pm		 122 Pond Helmut Hofer
(Courant Institute)		 Holomorphic Curves and Algebraic Invariants in Symplectic Geometry II
Wednesday Jan 19
3:30-4:30 pm		 122 Pond Helmut Hofer
(Courant Institute)		 Holomorphic Curves and Algebraic Invariants in Symplectic Geometry III
Monday Jan 24
3:30 - 4:30 pm		 122 Pond Alex Gorodnik
(CalTech)		 Equidistribution of orbit of lattices
Wednesday Jan 26
3:30-5:30 pm		 122 Pond Helmut Hofer
(Courant Institute)		 Holomorphic Curves and Algebraic Invariants in Symplectic Geometry IV
Monday Jan 31
3:30 - 4:30 pm		 122 Pond Nikos Frantzikinakis
(Penn State University)		 Multiple Ergodic Averages and Combinatorics

February

Wednesday Feb 2
3:30-5:30 pm		 122 Pond Helmut Hofer
(Courant Institute)		 Holomorphic Curves and Algebraic Invariants in Symplectic Geometry V
Wednesday Feb 9
3:30-4:30 pm		 122 Pond Oleg Viro
(Uppsala University) 		Enumerative Problems in Real Algebraic Geometry and Topology
Monday Feb 14
3:30 - 4:30 pm		 122 Pond Grzegorz Swiatek
(Penn State University)		 Exotic Metric Attractors for Critical Cricle Coverings
Wednesday Feb 16
3:30-4:30 pm		 122 Pond Alexander Nabutovsky
(Penn State University)		 Very Rapidly Growing Functions in Geometry
Monday Feb 21
3:30 - 4:30 pm		 122 Pond Giovanni Forni
(Northwestrn University)		 Weak mixing for Interval Exchange Transformations and Translation Flows I
Wednesday Feb 23
3:30 - 4:30 pm		 122 Pond Giovanni Forni
(Northwestrn University)		 Weak mixing for Interval Exchange Transformations and Translation Flows II
Monday Feb 28
3:30 - 5:30 pm		 122 Pond Dmitry Dolgopyat
(University of Maryland)		 Some Questions of Statistical Theory of Slow-Fast Systems I & II

March

Wednesday Mar 2
3:30 - 4:30 pm		 122 Pond Dmitry Dolgopyat
(University of Maryland)		 Some Questions of Statistical Theory of Slow-Fast Systems III
Mar 7 & 9
3:30 - 4:30 pm		 122 Pond Spring Break
No Seminar
Wednesday Mar 16
3:30 - 5:30 pm		 122 Pond Manfred Einsiedler
(Princeton)

Tom Ward
(U. of East Anglia) 		Measure rigidity and divisibility properties of Hamiltonian quaternions

Topological rigidity on connected groups (joint work with Siddhartha Bhattacharya)
Monday Mar 21
3:30 - 4:30 pm		 122 Pond Arnd Scheel
(Univ. of Minnesota) 		Corner defects in interface propagation
Wednesday Mar 23
3:30-4:30 pm		 122 Pond V. Timorin
Stony Brook 		Maps that take all lines to circles
Monday Mar 28
3:30 - 5:30 pm		 122 Pond The Center for Dynamics and Geometry Lecture Series
Jens Marklof
(University of Bristol)		 Mathematical Aspects of Quantum Chaos I
Wednesday Mar 30
3:30 - 5:30 pm		 122 Pond The Center for Dynamics and Geometry Lecture Series
Jens Marklof
(University of Bristol)		 Mathematical Aspects of Quantum Chaos II

April


Monday Apr 4
3:30 - 4:30 pm		 122 Pond Mark Pollicott
(University of Warwick)		 Hannay-Ozorio de Almeida formula
Wednesday Apr 6
3:30-4:30 pm		 122 Pond Vadim Kaloshin
(CalTech) 		Unbounded Solutions of Planar Circular Restricted 3 Body Problem
Monday Apr 11
3:30 - 4:30 pm		 122 Pond Mark Pollicott
(University of Warwick)		 Pair correlations
Wednesday Apr 13
3:00-4:00 pm		 122 Pond Y. Kurylev
(Loughborough University)		 Gel'fand inverse boundary value problem on Riemannian manifolds
NOTE SPECIAL TIME
Monday Apr 18
3:30-4:30 pm		 122 Pond Anton Petrunin
(Penn State university)		 Approximating Short Maps by PL-Isometries and Arnold's "Can you Make your Dollar Bigger" Problem.
Wednesday Apr 20
3:30-4:30 pm		 122 Pond The Center for Dynamics and Geometry Lecture Series
Leonid Polterovich
(Tel-Aviv University) 		Contact non-squeezing at the quantum scale
Monday Apr 25
3:30 - 4:30 pm		 122 Pond V. Grines
(Nizhni-Novgorod)		 New invariants and topological classification of gradient-like diffeomorphisms on 3-manifolds
Wednesday Apr 27
3:30-4:30 pm		 122 Pond The Center for Dynamics and Geometry Lecture Series
Leonid Polterovich
(Tel-Aviv University) 		The group of contactomorphisms: partial order or disorder?

Center for Dynamics and Geometry Seminar
Fall 2004

September

Monday Sept 13
3:30 - 4:30 pm		 320 Whitmore Janina Kotus
(Warsaw Polytechnic)		 The Dynamics and Geometry of the Fatou Functions
Wednesday Sept 15
3:30 - 4:30 pm		 320 Whitmore Michael Lin
(Ben Gurion University)		 The Central Limit Theorem for Random Walks on Orbits of Automorphisms
Monday Sept 20
3:30 - 4:30 pm		 320 Whitmore Livio Flaminio
(Lille I)		 Cocycles and Invariant Distributions for Nilflows
Wednesday Sept 22
3:30-4:30 pm		 320 Whitmore Mohammad Ghomi
(Georgia Tech & Penn State)		 Proof of the Relative Isoperimetric Inequality
Monday Sept 27
Recent Progress in Dynamics
(MSRI)		 No Seminar
Wednesday Sept 29
3:30-4:30 pm		 320 Whitmore Gunther Uhlmann
(University of Washington)		 The Boundary Rigidity Problem in Two Dimensions

October

Monday Oct 4
3:30 - 4:30 pm		 320 Whitmore Bassam Fayad
(Paris 13) 		Zero Exponents for SL(2,R) Cocycles. (joint work with Jairo Bochi)
Wednesday Oct 6
3:30 - 4:30 pm		 316 Boucke Shandelle Henson
(Andrews University) 		The Anatomy of Chaos in Experimental Populations
Monday Oct 11
3:30 - 4:30 pm		 320 Whitmore Anatoly Vershik
(Russian Acad. Sci.) 		Paradoxical Markov Processes and Quasisimilarity of Polymorphisms and $K$-Automorphisms
Wednesday Oct 13
3:30 - 4:30 pm		 320 Whitmore Sergei Tabachnikov
(Penn State)		 Tire Track Geometry and Flotation Problem
Thursday Oct 14-17

Semi-annual Workshop in Dynamical Systems
(Penn State) 		No Seminar
Wednesday Oct 20
3:30 - 4:30 pm		 320 Whitmore Nikita Zinoviev
(Penn State) 		Graph Approximations of a Surfaces of Small Area
Monday Oct 25
3:30 - 4:30 pm		 320 Whitmore Krzysztof Fraczek
(Torun) 		Diffeomorphisms with Polynomial Growth of the Derivatives
Wednesday Oct 27
3:30 - 4:30 pm		 320 Whitmore Mariusz Lemanczyk
(University of Torun)		 Ergodic Properties of Smooth Flows on Surfaces and Flows of Probability Origin

November

Monday Nov 1
3:30 - 4:30 pm		 320 Whitmore Arek Goetz
(San Francisco & IHES)		 Ergodic and Geometric Properties of Piecewise Isometries: Two dimensional Generalizations of Interval Exchange Transformations
Wednesday Nov 3
3:30 - 4:30 pm		 320 Whitmore Mariusz Lemanczyk
(University of Torun)		 On Multipliers in Ergodic Theory
Thursday Nov 4
2:30 - 3:30 pm		 122 Pond Richard Schwartz
(University of Maryland) 		Experiments with Triangular Billiards
Monday Nov 8
3:30 - 4:30 pm		 320 Whitmore Raphael de Llave
(University of Texas, Austin)		 Normally Invariant Manifolds Revisited
Wednesday Nov 10
3:30 - 4:30 pm		 320 Whitmore Chris Croke
(University of Pennsylvania)		 Sharp Isoperimetric Inequalities on Surfaces
Monday Nov 15
3:30 - 4:30 pm		 320 Whitmore Viktor Roytburd
(Rensselaer Polytechnic)		 Phase Locking for Interface Propagation in Periodic Media
Wednesday Nov 17
3:30 - 4:30 pm		 320 Whitmore Stephane Sabourau
(Saint Joseph's University) 		Systolic Inequalities on Aspherical Manifolds
Monday Nov 22
3:30 - 4:30 pm		 320 Whitmore Livio Flaminio
(Lille I) 		Renormalization Methods for Parabolic Dynamics II
Wednesday Nov 24
 320 Whitmore
 Thanksgiving No seminar
Monday Nov 29
3:30 - 4:30 pm		 320 Whitmore Livio Flaminio
(Lille I) 		Renormalization Methods for Parabolic Dynamics III

December

Wednesday Dec 1
3:30 - 4:30 pm		 320 Whitmore Martin Schmoll
(Penn State University) 		Geometry of Branched Coverings of Veech Surfaces and Asymptotic Quadratic Growth Rates
Wednesday Dec 8
3:30 - 4:30 pm		 320 Whitmore Augustin Banyaga
(Penn State University)		 The Hoffer Metric

Center for Dynamics and Geometry Seminar
Spring 2004

January

Monday Jan 19
3:30 - 4:30 pm		 McAllister 102 Omri Sarig
(Penn State University) 		Invariant Measures for Horocycle Flows on Abelian Covers I
Wednesday Jan 21
3:30 - 4:30 pm		 McAllister 102 Antony Petrunin
(Penn State University)		 Two New Applications of the Gradient Push and Collapsing
Wednesday Jan 28
3:30 - 4:30 pm		 McAllister 102 Sergei Ivanov
(Steklov Institute)		 Some Optimal Loewner-Type Inequalitites

February

Monday Feb 2
3:30 - 4:30 pm		 McAllister 102 Anatole Katok
(Penn State University) 		Some New Applications of the Approximation by Conjugation Method in Dynamics
Wednesday Feb 4
3:30 - 4:30 pm		 McAllister 102 Regina Rotman
(Penn State University)		 The Length of a Shortest Closed Geodesic and the Smallest Area of a Minimal Surface
Monday Feb 9
3:30 - 4:30 pm		 McAllister 102 Samuel Senti
(IUPUI) 		Equilibrium States for Unimodal Maps
Wednesday Feb 11
3:30 - 4:30 pm		 McAllister 102 Sergei Ivanov
(Steklov Institute) 		Unbounded Bi-Invarian Metrics on "Large" Groups
Monday Feb 16
3:30 - 4:30 pm		 McAllister 102 Boris Khesin
(University of Toronto) 		Evolution Equations on the Virasoro Group: Geometry and Integrability
Wednesday February 18
3:30 - 4:30 pm		 McAllister 102 Omri Sarig
(Penn State University) 		Invariant Measures for Horocycle Flows on Abelian Covers II
Monday Feb 23
3:30 - 4:30 pm		 McAllister 102 David Fried
(Boston University)		 Symbolic Dynamics for Geometrically Finite Groups
Wednesday Feb 25
3:30 - 4:30 pm		 McAllister 102 Konstantin Rybnikov
(University of Massachusetts Lowell)		 Local Convexity: Is it Strong Enough to Guarantee Global Convexity?

March


Monday Mar 1
3:30 - 4:30 pm		 McAllister 102 Alexei Novikov
(Penn State University) 		Advection-diffusion in a Bounded Domain
Wednesday Mar 3
3:30 - 4:30 pm		 McAllister 102 John Clemens
(Penn State University) 		An Overview of Borel Equivalence Relations
Mar 8, 10   Spring Break
No Seminar
Monday Mar 15
3:30 - 4:30 pm		 McAllister 102 Danijela Damjanovic
(Penn State University)		 Local Rigidity of Actions by Ergodic Toral Automorphisms-Analytic Version and Some Algebraic Aspects
Wednesday March 17
3:30 - 4:30 pm		 McAllister 102 Yurii Suhov
(University of Cambridge) 		Random Walk in an Eight-Plane and Other Rational Angles: Asymptotics of Equilibrium Probabilities
Monday March 22
   Penn-State Maryland Workshop No Seminar
Monday Mar 29
3:30 - 4:30 pm		 McAllister 102 Kristian Bjerklov
(KTH Royal Institute of Technology)		 Dynamics of Quasi-Periodic Schroedinger Equations
Wednesday Mar 31
3:30 - 4:30 pm		 McAllister 102 Stephanie Alexander
(University of Illinois at Urbana-Champaign)		 Generalized Cone Constructions in Alexandrov, Riemannian and Lorentz Spaces.

April

Monday Apr 5
3:30 - 5:30 pm		 McAllister 102 The Center for Dynamics and Geometry Lecture Series
Rostislav Grigorchuk
(Texas A&M University) 		Progress in the Study of the Alternative "Amenable/Nonamenable" During the Past 50 Years.
Wednesday Apr 7
3:30 - 5:30 pm		 McAllister 102 The Center for Dynamics and Geometry Lecture Series
Rostislav Grigorchuk
(Texas A&M University) 		Spectra of Fractal Groups and Related Topics
Friday Apr 9
3:00 - 5:00 pm		 McAllister 116 Yuri Suhov
(University of Cambridge) 		An Introduction to Quantum Information Theory
Monday Apr 12
3:30 - 4:30 pm		 McAllister 102 Maria Saprykina
(KTH Royal Institute of Technology) 		New Examples in Ergodic Theory
Wednesday Apr 14
3:30 - 4:30 pm		 McAllister 102 Mark Pollicott
(University of Manchester)		 Orbit Sums for Expanding Maps
Monday Apr 19
3:30 - 4:30 pm		 McAllister 102 Anatole Katok
(Penn State University)		 Spectral Multiplicity in Ergodic Theory I: Symmetry and Periodic Approximation
Wednesday Apr 21
3:30 - 4:30 pm		 McAllister 102 Dmitri Burago
(Penn State University) 		Semi-Dispersing Billiard Tables with Infinite Topological Entropy
Monday Apr 26
3:30 - 4:30 pm		 McAllister 102 Mate Wierdl
(University of Memphis)		 Hardy Fields in Ergodic Theory
Wednesday Apr 28
3:30 - 4:30 pm		 McAllister 102 Rob Kusner
(University of Massachusetts)		 Geometry, Conformal Structure and Classification of CMC Surfaces via Real Analytic Topology
Monday May 3
3:30 - 4:30 pm		 McAllister 103 Travis Fisher
(Penn State University)		 Spectral Multiplicity in Ergodic Theory II: Ageev's Solution of the Homogeneous Spectrum Problem

Center for Dynamics and Geometry Seminar
Fall 2003

September

Monday Sept 8
3:30 - 4:30 pm		 McAllister 102 Mark Levi
(Penn State University)		 Energy Diffusion and Adiabatic Invariance
Wednesday Sept 10
3:30 - 5:30 pm		 McAllister 102 Mohammad Ghomi
(Penn State University & Georgia Institute of Technology) 		Prescribing Curvature via the h-Principle
Friday Sept 12
3:30 - 4:30 pm		 McAllister 116 Dmitry Fuchs
(University of California at Davis ) 		Decompositions of Knot Diagrams and Legendrian Knot Invariants
Monday Sept 15
3:30 - 4:30 pm		 McAllister 102 Ilie Ugarcovici
(Penn State University)		 Chaotic Dynamics of a Discrete Nonlinear Age-Structured Population Model
Wednesday Sept 17
3:30 - 4:30 pm		 McAllister 102 Antony Petrunin
(Penn State University)		 An Integral Curvature Bound via Collapsing
Monday Sept 22
3:30 - 4:30 pm		 McAllister 102 Yakov Pesin
(Penn State University)		 Recent Advances in the Pugh-Shub Conjecture in Stable Ergodicity
Wednesday Sept 24
3:30 - 4:30 pm		 McAllister 102 Sergei Tabachnikov
(Penn State University) 		Magnetic Flows and Magnetic Billiards, Finsler Metrics and a Magnetic Analog of Hilbert's Fourth Problem
Friday September 26
3:30 - 4:30 pm		 McAllister 116 Ken Stephenson
(University of Tennessee)		 A 'Regular' Pentagonal Tiling of the Plane
Monday Sept 29
3:30 - 4:30 pm		 McAllister 102 Omri Sarig
(Penn State University)		 Subexponential Decay of Correlations

October

Wednesday Oct 1
3:30 - 4:30 pm		 McAllister 102 Frank Morgan
(Williams College)		 Area-Minimizing Surfaces in Singular Manifolds
Wednesday Oct 8
3:30 - 4:30 pm		 McAllister 102 Alexei Novikov
(Penn State University)		 Introduction to Ricci Flows
Monday Oct 13
3:30 - 4:30 pm		 McAllister 102 Jacek Graczyk
(University of Paris-Sud, Orsay)		 Schwarzian Derivative in One Dimension
Wednesday Oct 15
3:30 - 4:30 pm 		McAllister 102 Wilderich Tuschmann
(University of Muenster)		 Manifolds of Positive Ricci Curvature
Monday Oct 20
3:30 - 4:30 pm		 McAllister 102 Danijela Damjanovic
(Penn State University)		 An Application of KAM to Local Rigidity of Partially Hyperbolic Actions on Torus
Wednesday Oct 22
3:30 - 4:30 pm 		McAllister 102 Misha Guysinsky
(Penn State University)		 Perelman's Pseudo-Locality Theorem
Thursday Oct 23--

Sunday Oct 26		 Atherton Hotel Semi-annual Workshop in Dynamical Systems and Related Topics Program of talks
Wednesday Oct 29
3:30 - 4:30 pm		 McAllister 102 Yuri Burago
(Steklov Institute, St. Petersburg)		 Bi-Lipschitz Equivalence of Alexandrov Surfaces of Bounded Total Curvature

November

Monday Nov 3
3:30 - 4:30 pm 		McAllister 102 Yuri Burago
(Steklov Institute, St. Petersburg)		 Collapsing Low-Dimensional Manifolds: a Survey for Non-Experts
Wednesday Nov 5
3:30 - 4:30 pm 		McAllister 102 Pierre Milman
(University of Toronto)		 Differentiable Functions Defined in Closed Sets. A Problem of Whitney.
Monday Nov 10
3:30 - 4:30 pm		 McAllister 102 Nikolai Nadirashvili
(University of Chicago)		 Local Embedding Problem for Surfaces
Wednesday Nov 12
3:30 - 5:30 pm		 McAllister 102 Hillel Furstenberg
(Hebrew University and Yale)		 Ergodic Theory with Branching, Trees and Fractal Dimension

Monday Nov 17

1:25 - 2:10 pm

2:20 - 3:05 pm

3:15 - 3:45 pm


3:45 - 4:30 pm

4:45 - 5:30 pm


109 Osmond

109 Osmond

212 McAllister


102 McAllister

102 McAllister
PESINFEST


John Guckenheimer
(Cornell University)
Michael Brin
(University of Maryland)
Departmental Tea

Francois Ledrappier
(Ecole Polytechnique & Notre Dame)
David Ruelle
(IHES & Rutgers)


The Van der Pol Equation and the Origins of Chaos

Weak Dynamical Integrability of Distributions



Dimension of the Projection of an Invariant Measure for the Geodesic Flow

Results and Hopes on Differentiating SRB Measures
Wednesday Nov 19
3:30 - 4:30 pm 		McAllister 102 Chris Croke
(University of Pennsylvania)		 Area vs Distance Estimates

December

Monday Dec 1
3:30 - 4:30 pm		 McAllister 102 Nikos Frantzikinakis
(Penn State University)		 Polynomial Averages Converge to the Product of Integrals
Wednesday Dec 3
3:30 - 4:30 pm 		McAllister 102 Jason Cantarella
(University of Georgia)		 On Ropelength Criticality
Monday Dec 8
3:30 - 4:30 pm		 McAllister 102 Anthony Quas
(University of Memphis)		 Critical Rates in Nonconventional Ergodic Averaging
Wednesday Dec 10
3:30 - 4:30 pm		 McAllister 102 Robert Ghrist
(University of Illinois, Urbana-Champaign)		 Hydrodynamic Instability via Contact Geometry

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Center for Dynamical Systems Seminar
Spring 2003

January

Monday Jan 20
3:30 - 4:30 pm		 McAllister 102 Nikos Frantzikinakis
(Penn State University)		 The Structure of Strongly Stationary Systems
Monday Jan 27
3:30 - 4:30 pm		 McAllister 102 Huyi Hu
(Penn State University)		 Equilibriums of Some Non-Holder Potentials

February

Monday Feb 3
3:30 - 4:30 pm		 McAllister 102 Bassam Fayad
(CNRS Paris XIII)		 Constructions of Mixing Diffeomorphisms with Singular Spectrum
Monday Feb 10
3:30 - 4:30 pm 		McAllister 102 David Handron
(Carnegie Mellon University)		 A Morse Theory Approach to Studying Configuration Spaces
Wednesday Feb 12
3:30-4:30 pm 		McAllister 102 Marcus Khuri
(University of Pennsylvania)		 The Local Isometric Embedding Problem for 2-Dimensional Riemannian Manifolds
Wednesday Feb 19
3:30 - 5:30 pm		 McAllister 102 The Center for Dynamical Systems Lecture Series
 
Jean-Paul Thouvenot
(CNRS Paris VI)		 A New Information Theoretical Approach to Measure Preserving Transformations with an Application to the Construction of New Examples
Friday Feb 21
3:30 - 5:30 pm		 Special Room
McAllister 115		 The Center for Dynamical Systems Lecture Series
 
Jean-Paul Thouvenot
(CNRS Paris VI)		 A New Information Theoretical Approach to Measure Preserving Transformations with an Application to the Construction of New Examples
Monday Feb 24
3:30 - 4:30 pm		 McAllister 102 Omri Sarig
(University of Warwick)		 The Thermodynamic Formalism for Non-Compact Topological Markov Shifts
Wednesday Feb 26
3:30 - 5:30 pm		 McAllister 102 Michael Benedicks
(Royal Institute of Technology)		 Parameter Selection in Non-Uniformly Hyperbolic Dynamical Systems

March

Monday Mar 3
3:30 - 5:30 pm		 McAllister 102 Michael Benedicks
(Royal Institute of Technology)		 Ergodic Theory for Non-Uniformly Hyperbolic Dynamical Systems
Mar 10, 12   Spring Break
 No Seminar
Monday Mar 17
3:30 - 4:30 pm		 McAllister 102 Elon Lindenstrauss
(Stanford University) 		Measure Rigidity and Quantum Unique Ergodicity
Wednesday Mar 19
3:30 - 4:30 pm		 McAllister 102 Elon Lindenstrauss
(Stanford University) 		Measure Rigidity and Quantum Unique Ergodicity
Monday Mar 24   Maryland-Penn State Workshop
No Seminar
Mar 31-Apr 3
   MARKER LECTURES
No Seminar

April

Monday Apr 7
3:30 - 5:30 pm		 McAllister 102 Tamar Ziegler
(Ohio State University)		 Minimal Characteristic Factors of Ergodic Averages
Monday Apr 14
3:30 - 5:30 pm 		McAllister 102 Bruce Kleiner
(University of Michigan, Ann Arbor)		 Perelman's Recent Work on Ricci Flow
Monday Apr 21
3:30 - 4:30 pm		 McAllister 102 Amie Wilkinson
(Northwestern University)		 Transitive Partially Hyperbolic Diffeomorphisms on $3$-Manifolds
Wednesday Apr 23
3:30 - 4:30 pm		 McAllister 102 Mikhail Kulikov
(Moscow State University)		 Horocycle Flow without Minimal Sets
Monday Apr 28
3:30 - 4:30 pm		 McAllister 102 David Cowan
(Tufts University)		 Modeling a Gas of Rigid Bodies with Rotation
Wednesday Apr 30
3:30 - 5:30 pm		 McAllister 102 Bryna Kra
(Penn State University)		 Nilpotent Groups and Ergodic Averages

May

Thursday May 1
2:30 - 3:30 pm		 Special Room McAllister 116 Rafael de la Llave
(University of Texas, Austin)		 Some Geometric Arguments in the Study of Singularties of Fluid Mechanics Equations
Friday May 2
3:30 - 4:30 pm		 McAllister 102 Special Colloquium
Rafael de la Llave
(University of Texas, Austin)		 Plane-Like Minimizers for Variational Problems in Periodic Media

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Center for Dynamical Systems Seminar
Fall 2002

September

Wednesday Sept 4
3:30 - 4:30 pm		 McAllister 102 Samuel Senti
(PSU)		 A Proof of Jakobson's Theorem I
Monday Sept 9
3:30 - 4:30 pm		 McAllister 102 Samuel Senti
(PSU)		 A Proof of Jakobson's Theorem II
Monday Sept 16
3:30 - 4:30 pm		 McAllister 102 Samuel Senti
(PSU)		 A Proof of Jakobson's Theorem III
Wednesday Sept 18
3:30 - 4:30 pm		 McAllister 102 Michiko Yuri
(Sapporo University)		 What is a Weak-Gibbs Measure?
Monday Sept 23
3:30 - 4:30 pm		 McAllister 102 Carlos Gutierrez
(University of Sao Paulo)		 Interval Exchange Transformation and Foliations on Infinite Genus Surfaces
Wednesday Sept 25
3:30 - 4:30 pm		 McAllister 102 Sergei Tabachnikov
(PSU)		 Skew loops, skew branes, double normals and quadratic surfaces
Monday Sept 30
3:30 - 4:30 pm		 McAllister 102 Carlos Gutierrez
(University of Sao Paulo)		 On the Weak Marcus-Yamabe Conjecture on R^N

October

Wednesday Oct 2
3:30 - 4:30 pm		 McAllister 102 Sergei Ivanov
(Steklov Institute)		 Minimal Filling of a Circle
Monday Oct 7
3:30 - 4:30 pm		 McAllister 102 Svetlana Katok
(PSU)		 Livshitz Theorem for the Unitary rame Flow
Wednesday Oct 9
3:30 - 4:30 pm		 McAllister 102 Yuri Kifer
(Hebrew University)		 Diffusion Approximation in Averaging
Saturday Oct 12--

Tuesday Oct 15		 Thomas Building Semi-annual Workshop in Dynamical Systems and Related Topics Program of talks
Monday Oct 21
3:30 - 4:30 pm		 McAllister 102 Sergei Tabachnikov
(Penn State University)		 Topological Complexity of the Motion Planning Problem
Wednesday Oct 23
3:30 - 4:30 pm		 McAllister 102 Marco Lenci
(Stevens Institute of Technology)		 Infinite-Measure Billiards
Monday Oct 28
3:30 - 4:30 pm		 McAllister 102 Dmitri Burago
(PSU)		 Partially Hyperbolic Automorphisms of 3-Manifolds (I)
Wednesday Oct 30
3:30 - 4:30 pm		 McAllister 102 Dmitri Burago
(PSU)		 Partially Hyperbolic Automorphisms of 3-Manifolds (II)

November

Monday Nov 4
3:30 - 4:30 pm		 McAllister 102 Dmitri Burago
(PSU)		 Partially Hyperbolic Automorphisms of 3-Manifolds (III)
Monday Nov 11
3:30 - 4:30 pm		 McAllister 102 Karl Friedrich Siburg
(Bochum Universitaet)		 Magnetic Flows on Riemannian Manifolds
Wednesday Nov 13
3:30 - 4:30 pm		 McAllister 102 Karl Friedrich Siburg
(Bochum Universitaet)		 Boundary Rigidity in Symplectic Geometry, and Applications to Dynamics
Monday Nov 18
3:30 - 4:30 pm		 McAllister 102 Carmen Chicone
(University of Missouri)		 Inertial and Slow Manifolds for Delay Equations with Small Delays
Monday Nov 25
3:30 - 4:30 pm		 McAllister 102 Vitali Kapovitch
(University of California at Santa Barbara)		 Collapsing with a lower curvature bound and $\hat{A}$-genus

December

Monday Dec 2
3:30 - 4:30 pm		 McAllister 102 Martin Schmoll
(PSU)		 Counting Geodesic Segments on Translation Surfaces I
Wednesday Dec 4
3:30 - 4:30 pm		 McAllister 102 Martin Schmoll
(PSU)		 Counting Geodesic Segments on Translation Surfaces II
Monday Dec 9
3:30 - 4:30 pm		 McAllister 102 Nicolai Haydn
(University of Southern California)		 The Central Limit Theorem for $(\phi,f)$-mixing maps.

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Center for Dynamical Systems Seminar
Spring 2002

January

Monday Jan 7
3:30 - 4:30 pm		 McAllister 102 No Seminar No Seminar
Monday Jan 14 
3:30 - 4:30 pm		 McAllister 102 Vadim Kaloshin
(MIT) 		 Geometric proof of connecting and accelerating theorems of Mather 
Monday Jan 21
3:30 - 4:30 pm		 McAllister 102 Gerhard Knieper
(Ruhr Universitaet Bochum)		 The Distribution of Periodic Geodesics on Manifolds of Nonpositive Curvature 
Monday Jan 28
3:30 - 4:30 pm		 McAllister 102 Anatole Katok
(PSU)		 Nonuniform Hyperbolicity and Rigidity
Wednesday Jan 30
3:30 - 4:30 pm		 McAllister 102 Gerhard Knieper
(Ruhr Universitaet Bochum)		 Asymptotic Geometry and Dynamics of Rank 1 Manifolds 

February

Monday Feb 4
3:30 - 4:30 pm		 McAllister 102 Nicolai Chernov
(IAS Princeton and U. of Alabama)		 Entropy and Mean Free Path for Dilute Gases
Wednesday Feb 6
3:30 - 4:30 pm		 McAllister 102 Nicolai Chernov
(IAS Princeton and U. of Alabama)		 Sinai Billiards with Small External Forces
Monday Feb 11 
3:30 - 4:30 pm		 McAllister 102 Brian Marcus
(IBM Almaden)		 Symbolic Dynamics and Coding Applications
SEPCIAL COLLOQIUM
Monday Feb 18
3:30 - 4:30 pm		 McAllister 102 Federico Rodriguez-Hertz
(IMPA)		 Recent results in smooth ergodic theory
Wednesday Feb 20
3:30 - 4:30 pm		 McAllister 102 Marc Kesseboehmer
(Technical University, Berlin)		 A Multifractal Formalism for Homological Growth Rates of Kleinian Groups
Monday Feb 25
3:30 - 4:30 pm		 McAllister 102 Chris Judge
(Univ of Indiana)		 Billiards in Rational Polygons and the Teichmuller Geodesic Flow, a Survey.

March

Monday Mar 4
3:30 - 4:30 pm		 McAllister 102 Spring Break No Seminar
MARKER LECTURES (Mar 11 -- March 14) by Timothy Gowers (Cambridge and Princeton)
Monday Mar 18 SPECIAL
COLLOQUIUM		 Gang Tian
(MIT)		 Isotopy of Symplectic Surfaces in 4-spaces
Wednesday Mar 20
3:30 - 4:30 pm		 McAllister 102 Yuri Michiko 
(Sapporo University)		 Phase Transition, Non-Gibbsianity and Subexponential Instability
Monday Mar 25
3:30 - 4:30 pm		 McAllister 102 Penn-State Maryland Workshop No Seminar

April

Monday Apr 1
3:30 - 4:30 pm		 McAllister 102 Bassam Fayad
(PSU & CNRS Paris 13)		 Smooth measure preserving flows isomorphic to translations and topologically mixing
Wednesday Apr 17
3:30 - 4:30 pm		 McAllister 102 Victor Roytburd
(RPI)		 Finite-Dimensional Dynamics of Moving Fronts
Monday Apr 22
3:30 - 4:30 pm		 McAllister 102 Georgi Medvedev
(Princeton University)		 A Reaction-Diffusion System with Time-Periodic Interface Dynamics
Wednesday Apr 24
3:30 - 4:30 pm		 McAllister 102 Raphael de la Llave
(University of Texas, Austin)		 Geometric Mechanisms for Diffusion in Hamiltonian Systems: How to Gain Lots of Energy Applying Only Small Forces.

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Center for Dynamical Systems Seminar
Fall 2001

August

Monday, August 27
3:30pm--4:45pm		 102 McAllister Building Misha Guysinsky
(Penn State University) 		Smoothness at the Fixed Point in Grobman-Hartman Theorem.
Wednesday, August 29
3:30pm -- 4:45pm		 102 McAllister Building Yakov Pesin
(Penn State University) 		Integrability of Distributions Associated with the Mather Spectrum for Dynamical Systems

September

Monday, September 3 102 McAllister Building NO SEMINAR LABOR DAY
Wednesday, September 5
3:30pm -- 4:45pm		 102 McAllister Building Karoly Simon
(Technical University, Budapest) 		Hausdorff and packing measure for some hyperbolic attractors
Monday, September 10
3:30pm -- 4:45pm		 102 McAllister Building Keith Burns
(Northwestern University) 		Metrics with Positive Curvature and Nearly Transitive Geodesic Flow
Wednesday, September 12
3:30pm -- 4:45pm		 102 McAllister Building Michael Farber
(Tel Aviv University) 		Topology of Convex Billiards
Monday, September 17
3:30pm -- 4:45pm		 102 McAllister Building Marius Dabija
(Penn State University) 		Invariant Curves of Plane Curves
Wednesday, September 19
3:30pm - 4:45pm		 102 McAllister Building Arkady Tempelman
(Penn State University)		 Hausdorff Dimension of Level Sets of Ergodic Averages
Monday, September 24
3:30pm -- 4:45pm		 102 McAllister Building Scot Adams
(University of Minnesota)		 Simple Lie Groups and Lorentz Manifolds, Following N. Kowalsky
Wednesday, September 26
3:30pm -- 4:45pm		 102 McAllister Building Leonid Koralov
(Princeton University) 		Random Perturbations of 2-dimensional Hamiltonian Flows

October

SPECIAL TIME
Monday, October 1
3:30pm -- 5:30pm		 102 McAllister Building Boris Gurevich
(Moscow State University)		 MINICOURSE
Selected Topics from Probability Theory Essential for Dynamical Systems
SPECIAL TIME
Wednesday, October 3
3:30pm -- 5:30pm		 102 McAllister Building Boris Gurevich
(Moscow State University)		 MINICOURSE
Selected Topics from Probability Theory Essential for Dynamical Systems
Monday, October 8
3:30pm -- 4:45pm		 102 McAllister Building FALL BREAK NO SEMINAR
Wednesday, October 10
3:30pm -- 4:45pm		 102 McAllister Building Scot Adams
(University of Minnesota)		 Banach-Tarski Paradox
SPECIAL DAYS
Thursday, October 11
Sunday, October 14		 Atherton Hotel Conference Room Semi-annual Workshop in Dynamical Systems and Related Topics Schedule of Talks
Monday, October 15
3:30pm -- 4:45pm		 102 McAllister Building RECESS NO SEMINAR
Wednesday, October 17
3:30pm -- 4:45pm		 102 McAllister Building Tom Ward
(University of East Anglia)		 Counting Periodic Points
SPECIAL TIME
Monday, October 22
3:30pm -- 5:00pm		 102 McAllister Building Federico Rodriguez Hertz
(IMPA)		 Stable Ergodicity of certain Linear Automorphisms of the Torus I
SPECIAL TIME
Wednesday, October 24
3:30pm -- 5:00pm		 102 McAllister Building Federico Rodriguez Hertz
(IMPA)		 Stable Ergodicity of certain Linear Automorphisms of the Torus II
Monday, October 29
3:30pm -- 4:45pm		 102 McAllister Building Greg Swiatek
(PSU) 		Critical Points on the Boundary of Siegel Disks
Wednesday, October 31
3:30pm -- 4:45pm		 102 McAllister Building Manfred Einsiedler
(PSU) 		Rigidity for Ledrappier's example?

November

JOINT WITH
W. G. Pritchard Lab Seminar Series
Monday,
November 5
3:30pm -- 5:30pm		 102 McAllister Building F.Berezovsky
(Howard University)


G. Karev
(National Institute of Health)
3:30pm -- 4:30pm
Ratio-dependent predator-prey and immunological models
4:40pm -- 5:30pm
Forming and Bifurcations of Traveling Waves in General Population Models with Auto-Chemotaxis
Wednesday, November 7
3:30pm -- 4:45pm		 102 McAllister Building No Seminar No Seminar
Monday,
November 12
3:30pm -- 4:45pm		 102 McAllister Building Alexey Glutsyuk
(CNRS Lyon) 		Simultaneous Uniformization of Two-dimensional Linear Foliations
Monday,
November 19
3:30pm -- 4:45pm		 102 McAllister Building Ilie Ugarcovici
(PSU) 		Periodic Orbits and Hyperbolic Measures
Wednesday, November 21
3:30pm -- 4:45pm		 102 McAllister Building THANKS-
GIVING BREAK		 NO SEMINAR
SPECIAL
DATE & TIME:

TUESDAY
November 27
3:30pm -- 5:30pm

 LOCATION:

358 WILLARD Building

 Jean-Christophe Yoccoz
(College de France) 		CENTER FOR DYNAMICAL SYSTEMS FALL 2001 LECTURE SERIES
Non Uniformly Hyperbolic Dynamics and Homoclinic Bifurcations
Wednesday, November 28
3:30pm -- 5:30pm		 102 McAllister Building Jean-Christophe Yoccoz
(College de France)		 CENTER FOR DYNAMICAL SYSTEMS FALL 2001 LECTURE SERIES
Non Uniformly Hyperbolic Dynamics and Homoclinic Bifurcations

December

Monday, December 3
3:30pm -- 5:30pm		 102 McAllister Building Jean-Christophe Yoccoz
(College de France) 		CENTER FOR DYNAMICAL SYSTEMS FALL 2001 LECTURE SERIES
Non Uniformly Hyperbolic Dynamics and Homoclinic Bifurcations
Wednesday, December 5
3:30pm -- 4:45pm		 102 McAllister Building Krzysztof Wysocki
(Univeristy of Melbourne, Australia) 		Pseudoholmorphic Curves and Hamiltonian Dynamics

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Center for Dynamical Systems Seminar
Spring 2001

January

Monday, January 22
3:30 -- 4:30		 McAllister 102 Greg Swiatek
(PSU) 		Pseudo-analytic Extensions in the Study of Unimodal Maps
Monday, January 29
3:30 -- 4:30		 McAllister 102 Sergei Ivanov
(Steklov Insitute) 		Two-dimensional minimal fillings
Wednesday, January 31 McAllister 102 NO MEETING MARKER LECTURE

February

Monday, February 5
3:30 -- 4:30		 McAllister 102 Dmitri Burago
(PSU) 		Some Problems about Geometry of Conjugate Classes Related to Sequential Dynamics
Wednesday, February 7
3:30 -- 4:30		 McAllister 102 Yuri Zarhin
(PSU) 		A characterization of classical groups
Monday, February 12
3:30 -- 4:30		 McAllister 102 Bassam Fayad
(PSU) 		Rank One and Mixing Differentiable flows on the torus
Wednesday, February 14
3:30 -- 4:30		 McAllister 102 Anatole Katok
(PSU) 		Invariant distributions in dynamics and Ergodic theory
Monday, February 19
3:30 -- 4:30		 McAllister 102 Genadi Levin
(Hebrew University) 		On the Fatou Conjecture
Monday, February 26
3:30 -- 4:30		 McAllister 102 Anatole Katok
(PSU) 		Invariant distributions in dynamics and Ergodic theory - Part II

March

March 5, 7 McAllister 102 NO SEMINAR SPRING BREAK
Monday, March 12
3:30 -- 4:30		 McAllister 102 Warwick Tucker
(Cornell University) 		The Lorenz Attractor Exists
Wednesnday, March 14
3:30 -- 4:30		 McAllister 102 Giovanni Forni
(Princeton University) 		On the Smooth Ergodic Theory of Some Parabolic Flows
March 19, 21 McAllister 102 NO SEMINAR CONFERENCE AT MARYLAND
Monday, March 26
3:30 -- 4:30		 McAllister 102 Raphael Krikorian
(Ecole Polytechnique, France) 		Global Reducibility of SU(2) and SL(2,R)-valued Quasi-Periodic Cocycles
Wednesnday, March 28
3:30 -- 4:30		 McAllister 102 Auguston Pizsora
(Carnegie Mellon University) 		Phases in equilibrium: a microscopic view

April

Monday, April 2
3:30 -- 4:30		 McAllister 102 Alistair Windsor
(PSU) 		Mixed Spectrum Time Changes of the Linear Flow on the Two Torus
Monday, April 9
3:30 -- 4:30		 McAllister 102 Dima Dolgopyat
(PSU) 		Products of Random Matrices
Wednesnday, April 11
3:30 -- 4:30		 McAllister 102 Bernard Host
(Univeristy of Marne la Vallee) 		Asymtotic Pairs in Positive Entropy Systems
Monday, April 16
3:30 -- 4:30		 McAllister 102 Philip Foth
(University of Arizona) 		Integrable Systems Associated with the Bruhat Poisson Structures
Monday, April 23 McAllister 102 NO SEMINAR FELDMAN CONFERENCE
Wednesnday, April 25
3:30 -- 4:30		 McAllister 102 Victor Ginzburg
(U.C., Santa Cruz) 		Periodic Orbits of Hamiltonian Flows Near Symplectic Extrema

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Center for Dynamical Systems Seminar
Fall 2000

SEPTEMBER

Wednesday, August 30
3:30 -- 4:30		 McAllister 102 Marius Dabija
(PSU) 		Holomorphic dynamics in several variables: an introduction
Monday, September 4 McAllister 102 LABOR DAY
NO MEETING
Wednesday, September 6
McAllister 102 CANCELLED
CANCELLED
Wednesday, September 13
3:30 -- 4:30		 McAllister 102 Marius Dabija
(PSU) 		Holomorphic dynamics in several variables: part II
Friday, September 15
3:30 -- 4:30		 McAllister 104 Rob Ghrist
(Georgia Institute of Technology) 		Contact topology and fluid dynamics
Monday, September 18
3:30 -- 4:30		 McAllister 102 Svetlana Katok
(PSU) 		Topological entropy estimates for the restricted geodesic flow on the modular surface
Wednesday, September 20
3:30 -- 4:30		 McAllister 102 Marius Dabija
(PSU) 		Holomorphic dyamics in several variables: part III
Monday, September 25
3:30 -- 4:30		 McAllister 102 Bassam Fayad
(PSU) 		Weak mixing for reparametrizations of linear flows on the torus T^n, n >= 2
Wednesday, September 27
3:30 -- 4:30		 McAllister 102 Michael Brin
(University of Maryland) 		A very short proof of Holder continuity

October

Monday, October 2
3:30 -- 5:30		 McAllister 102 Marc Burger
(ETH, Zurich) 		THE CENTER FOR DYNAMICAL SYSTEMS FALL2000 LECTURE SERIES
Introduction to bounded cohomology: part I
Wednesday, October 4
3:30 -- 5:30		 McAllister 102 Marc Burger
(ETH, Zurich) 		THE CENTER FOR DYNAMICAL SYSTEMS FALL2000 LECTURE SERIES
Introduction to bounded cohomology: part II
Monday, October 9
McAllister 102 FALL BREAK
NO MEETING
Wednesday, October 11
3:30 -- 5:30		 McAllister 102 Marc Burger
(ETH, Zurich) 		THE CENTER FOR DYNAMICAL SYSTEMS FALL2000 LECTURE SERIES
Introduction to bounded cohomology: part III
Monday, October 16
3:30 -- 4:30		 McAllister 102 Samuel Senti
(PSU) 		Hausdorff Dimension of the Exceptional set in Jakobson's Theorem
Wednesday, October 18
3:30 -- 4:30		 McAllister 102 Jörg Schmeling
(Frei Universitat, Berlin) 		Higher Dimensional Multifractal Analysis and Some Applications to Number Theory
Wednesday, October 25
3:30-4:30		 McAllister 102 Leonid Polterovich
(Tel Aviv University) 		SPECIAL COLLOQUIUM TALK
Monday, October 30 McAllister 102 CONFERENCE NO MEETING

November

Wednesday