People

Faculty

Dmitri Burago, (burago@math.psu.edu): Professor of Mathematics, Director of Geometry Program;
Manfred Denker, (denker@math.psu.edu); Visiting Professor of Mathematics;
Misha Guysinsky, (guysin_m@math.psu.edu): Senior Lecturer
Federico Rodriguez Hertz (hertz@math.psu.edu): Professor of Mathematics;
Boris Kalinin (kalinin@math.psu.edu): Associate Professor of Mathematics;
Anatole Katok, (katok_a@math.psu.edu): Raymond N. Shibley Professor of Mathematics, Director of the Center;
Svetlana Katok, (katok_s@math.psu.edu): Professor of Mathematics;
Mark Levi, (levi@math.psu.edu): Professor of Mathematics;
Yakov B. Pesin, (pesin@math.psu.edu): Distinguished Professor of Mathematics;
Anton Petrunin, (petrunin@math.psu.edu): Professor of Mathematics;
Victoria Sadovskaya, (sadovskaya@math.psu.edu); Associate Professor of Mathematics;
Sergei Tabachnikov, (tabachni@math.psu.edu): Professor of Mathematics, MASS/Honors Program Director;
Arkady Tempelman, (arkady@stat.psu.edu): Professor of Mathematics and Statistics;

Postdoctoral Fellows

Aaron Brown, (brown@math.psu.edu): NSF Postdoctoral Fellow; 2011-2013

Recent Postdoctoral Fellows

Dan Thompson, (thompson@math.psu.edu): S. Chowla Research Assistant Professor; 2009-2012
Bryce Weaver: Postdoctoral Fellow; Spring 2012

2003-2005

Nikos Frantzikinakis: Ph.D. Stanford University (Y. Katznelson), S. Chowla Research Assistant Professor;
Misha Guysinsky: Ph.D. Penn State (A. Katok);
Martin Schmoll, (schmoll@math.psu.edu): Ph.D. TU-Berlin (R. Seiler and T. Krueger).

2002-2003

Marius Dabija: Ph.D. University of Michigan (E. Fornaess), S. Chowla Research Assistant Professor;
Nikos Frantzikinakis: Ph.D. Stanford University (Y. Katznelson), S. Chowla Research Assistant Professor;
Misha Guysinsky: Ph.D. Penn State (A. Katok);
Martin Schmoll: Ph.D. TU-Berlin (R. Seiler and T. Krueger);
Samuel Senti: Ph.D. University of Paris, Orsay (J.-C. Yoccoz), S. Chowla Research Assistant Professor.

2001-2002

Marius Dabija: Ph.D. University of Michigan (E. Fornaess), S. Chowla Research Assistant Professor;
Manfred Einsiedler: Ph.D. University of Vienna (K. Schmidt);
Misha Guysinsky: Ph.D. Penn State (A. Katok);
Samuel Senti: Ph.D. University of Paris, Orsay (J.-C. Yoccoz), S. Chowla Research Assistant Professor.

2000-2001

Marius Dabija: Ph.D. University of Michigan (E. Fornaess), S. Chowla Research Assistant Professor;
Bassam Fayad: Ph.D. Ecole Polytechnique (M. Herman);
Florence Newberger: Ph.D. University of Maryland (D. Rudolph), S. Chowla Research Assistant Professor;
Samuel Senti: Ph.D. University of Paris, Orsay (J.-C. Yoccoz), S. Chowla Research Assistant Professor.

1999-2000

Florence Newberger: Ph.D. University of Maryland (D. Rudolph), S. Chowla Research Assistant Professor.

1998-1999

Florence Newberger: Ph.D. University of Maryland (D. Rudolph), S. Chowla Research Assistant Professor;
Yan Gao: Ph.D. Yale University.

1997-1998

Alexander Furman: Ph.D. Hebrew University of Jerusalem;
Yan Gao: Ph.D. Yale University;
Viorel Nitica: Ph.D. Penn State University.

Graduate Students

Current Graduate Students:

Shilpak Banerjee (banerjee@math.psu.edu): (Thesis advisor: Anatole Katok);
Dong Chen (chen_d@math.psu.edu): (Thesis advisor: Dmitry Burago);
Nicholas Early (early@math.psu.edu): (Thesis advisor: Sergei Tabachnikov);
Brian Nowakowski (nowakowsk@math.psu.edu): (Thesis advisor: Manfred Denker);
Pavlo Tsytsura, (tsytsura@math.psu.edu): (Thesis advisor: Anatole Katok);
Kurt Vinhage, (vinhage@math.psu.edu): (Thesis advisor: Anatole Katok);
Weisheng Wu, (wu@math.psu.edu): (Thesis advisor: Anatole Katok);

Recent Graduate Students

Chong Ai, (ai@math.psu.edu), PhD 2012 (Thesis advisor: Mark Levi);
Jianyu Chen, (j_chen@math.psu.edu), PhD 2012 (Thesis advisor: Yakov Pesin);
Assieh Saadatpour-Moghaddam, (saadat@math.psu.edu), PhD 2012 (Thesis advisor: Mark Levi);
Lin Zhu, (zhu@math.psu.edu), PhD 2012 (Thesis advisor: Anatole Katok);
Vaughn Climenhaga, (vogagon@gmail.com), PhD 2010 (Thesis advisor: Yakov Pesin);
Van Cyr, (cyr@northwestern.edu), PhD 2010 (Thesis advisor: Omri Sarig);
Sergey Orshanskiy, (orshansk@gmail.com), PhD 2010 (Thesis advisor: Dmitri Burago);
Peng Sun, PhD 2010 (Thesis advisor: Anatole Katok);
Zhenqi Wang, PhD 2010 (Thesis advisor: Anatole Katok);
Arseny Egorov, PhD 2011 (Thesis advisor: Svetlana Katok);
Andrey Gogolev, PhD 2009 (Thesis advisor: Anatole Katok);
Wing Kai Ho, PhD 2009 (Thesis advisor: D. Burago);
Hunseok Kang, PhD 2007 (kang@math.psu.edu) PhD 2007 (Thesis advisor: Yakov Pesin);
Dmitry Scheglov, PhD 2009 (Thesis advisor: Anatole Katok); University Graduate Fellow;
Gordana Stojanovic, PhD 2007(Thesis advisor: Sergei Tabachnikov);
Bryce Weaver, PhD 2008 (Thesis advisor: Anatole Katok);
Ke Zhang, PhD 2007 (Thesis advisor: Yakov Pesin).

2006

David Mieczkowski, (mieczkow@math.psu.edu): Cornell Business School
Thesis advisor: Anatole Katok;
Thesis Title: The Cohomological Equation and Representation Theory
Anna Mummert (anna@math.psu.edu): Visiting Research Instructor, Michigan State University
Thesis advisor: Yakov Pesin;
Thesis Title: Thermodynamic Formalism for Nonuniformly Hyperbolic Dynamical Systems
Travis Fisher, (fisher@math.psu.edu): Bloomberg, New York
Thesis advisor: Anatole Katok;
Thesis Title: Some Results In Hyperbolic Dynamics

2005

Dan Genin, (genin@math.psu.edu): Penn State Mathematics Department and Penn State Business School
Thesis advisor: Sergei Tabachnikov
Thesis Title: Regular and chaotic dynamics of outer billiards
Yulia Tyurina, (tiourina@math.psu.edu):
Thesis advisor: Sergei Tabachnikov
Thesis Title: Skew embeddings and immersions of manifolds into Euclidean spaces in codimension two

2004

Danijela Damjanovic (damjanov@math.psu.edu) - Benjamin Pierce Instructor, Harvard University
Thesis Advisor: Anatole Katok
Thesis Title: Local rigidity of partially hyperbolic actions on the torus
Svetlana Krat (krat@math.psu.edu) - Georgia Institute of Technology
Thesis Advisor: Dmitry Burago
Thesis Title:
David Shoenthal (dws@math.psu.edu) - Longwood University, Assistant professor.
Thesis Advisor: Dmitry Burago
Thesis Title: Several Results Concerning Low-Dimensional Length Spaces
Anna Talitskaya (anjuta@math.psu.edu) - Northwestern University
Thesis Advisor: Yakov Pesin
Thesis Title: Partially hyperbolic phenomena in dynamical systems with discrete and continuous time
Ilie Ugarcovici (idu@math.rice.edu) - Assistant Professor, DePaul University
Thesis Advisor: Anatole Katok and Svetlana Katok
Thesis Title: Symbolic dynamics for geodesic flows, hyperbolic measures and periodic orbits

2003

Filiz Dogru (dogru@math.psu.edu) - Grand Valley State University, Assistant Professor
Thesis Advisor: Sergei Tabachnikov
Thesis Title: Polygonal Outer Billiards in the Hyperbolic Plane

2002

Alexander Dryakhlov (dryakh_a@math.psu.edu)
Thesis Advisor: Arkady Tempelman
Thesis Title: On Hausdorff Dimension of Random Fractals
Roland Gunesch (gunesch@math.psu.edu) Professor, University of Hamburg
Thesis Advisor: Anatole Katok
Thesis Title: Precise Asymptotics for Periodic Orbits of the Geodesic Flow in Nonpositive Curvature
Kim Roth (kroth@wju.edu) - Wheeling Jesuit University, Assistant Professor
Thesis Advisor: Greg Swiatek
Thesis Title: Geometry of the Julia Set for Some Maps with Invariant Circles
Alistair Windsor (windsor@math.psu.edu) - University of Texas, Austin, Instructor
2002-2004 University of Manchester, Research Associate
Thesis Advisor: Anatole Katok
Thesis Title: Liouville Phenomena in Smooth Ergodic Theory

2000

Boris Kalinin (kalinin@jaguar1.usouthal.edu) - University of South Alabama, Assistant professor
2000-2003 University of Michigan, Assistant Professor
Thesis Advisor: Anatole Katok
Thesis Title: Rigidity of Invariant Measures and Joinings for Higher-Rank Abelian Actions
Victoria Sadovskaya (sadovska@umich.edu) - University of South Alabama, Assistant professor
2000-2003 University of Michigan, Assistant Professor
Thesis Advisor: Yakov Pesin
Thesis Title: Dimensional Properties of Dynamical Systems with Discrete and Continuous Time

1999

Krezimir Josic (josic@math.uh.edu) - University of Houston, Assistant Professor
Boston University
Thesis Advisor: Eugene Wayne
Thesis Title: Synchronization of Chaotic Systems
Alexander Mezhirov - MIT, Lincoln Lab, Lexington, MA, Member of Technical Staff
Thesis Advisor: Anatole Katok
Thesis Title: Expanding Periodic Points of One-Dimensional Maps and Boundary Behavior of Arbitrary Mappings
Sergey Yaskolko - IBM, Transarc Lab, 11 Stanwix Str,
Pittsburgh, PA 15217, Member of Technical Staff
Thesis Advisor: Anatole Katok
Thesis Title: Rigidity of Lattice Actions on Boundaries. Coincidence of Various Dimensions Associated with Metrics and Measures

1998

Tatyana Foth (foth@umich.edu) - University of Western Ontario, Assistant Professor
2000-2004 - University of Michigan, Assiatant Professor
1999-2000 - University of Arizona, Visiting Assistant Professor
Spring 1999 - Northwestern University, Visiting Assistant Professor
Thesis Advisor: Svetlana Katok
Thesis Title: Automorphic Forms on Complex Hyperbolic Spaces
Serge Ferleger - Renaissance Technologies, East Setauket, NY
1998-2000 SUNY Stony Brook, Simons Instructor
Thesis Advisor: Anatole Katok
Thesis Title: Alexandrov Geometry and Dynamics of Semi-Dispersing Billiards on Riemannian Manifolds

1997

Moisey (Misha) Guysinsky ( guisin_m@math.psu.edu) - Penn State University, Visiting Assistant Professor
1997-2000 Tufts University, Assistant Professor
Thesis Advisor: Anatole Katok
Thesis Title: Normal forms of extensions

1996

Luis Barreira, (barreira@math.ist.utl.pt) - Instituto Superior Tecnico, 1096 Lisbon, Portugal, Professor
Thesis Advisor: Yakov Pesin
Thesis Title: A non-additive thermodynamic formalism and applications to dimension theory of hyperbolic dynamical systems
Alexey Kononenko; - Renaissance Technologies, East Setauket, NY
1996-1998 - University of Pennsylvania, Two-year Lecturer
Thesis Advisor - Anatole Katok
Thesis Title: Duality method for cohomologies of dynamical systems: differential and cohomological rigidity of lattice actions

1995

Miaohua Jiang ( jiang@math.wfu.edu) - Wake Forest University, Assistant Professor
1996-1997-Georgia Institute of Technology, Postdoc
1997-1998 - University of Minnesota, Postdoc
Thesis Advisor: Yakov Pesin
Thesis Title: Ergodic properties of coupled map lattices of hyperbolic type
Viorel Nitica ( vnitica@wcupa.edu) - West Chester University, Associate Professor
1998-2000 - Notre Dame University, Visiting Assistant Professor
1997-1998 - Penn State, Instructor
1995-1997- Indiana University, Visiting Assistant Professor
Thesis Advisor: Anatole Katok
Thesis Title: Rigidity of partially hyperbolic actions
Andrei Torok (torok@math.uh.edu) - University of Houston - Associate Professor
1995-1999 - Princeton University - Instructor
Thesis Advisor: Anatole Katok
Thesis Title: Cohomology of dynamical systems

1994

Mirko Degli Esposti ( esposti@dm.unibo.it)- Universita di Bologna, Italy, Associate Professor
Thesis Advisor: Anatole Katok
Thesis Title: Classical and quantum equidistribution: an (easy) example

Visitors

A * denotes support from the Shapiro fund, a # denotes a Marker Lecture, a ! denotes a Distinguished Visiting Professor.

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2006-2007

Long Term

NAME	HOME INSTITUTION	PERIOD OF VISIT
Viorel Nitica	West Chester University	September-December 2006
Nikita Netsvetaev*	University of St. Petersburg	September--November 2006

Short Term

NAME	HOME INSTITUTION	PERIOD OF VISIT
Tomas Persson	Lund University
Gerhard Knieper	Ruhr-Universität Bochum	October-November 2006
S. Luzzatto	Imperial College, London	September 2006 (one week)

Short Term

NAME	HOME INSTITUTION	PERIOD OF VISIT
Jon Aaronson	Tel-Aviv University	April 2005 (two weeks)
Mark Pollicott	University of Warwick	March--April 2005
Artur Lopes	Univ. Rio Grande do Sul, Brazil	October-November 2005
L. Stolovitch	U. de Toulouse	October 2005
Y. Kurylev	Loughborough U.	September 2005
S. Ivanov	Steklov, St. Petersburg	September-October 2005
J, Schmeling	U. Lund	March-April 2006
S. Luzzatto	Imperial College, London	March-April 2006
F. Rodriguez Hertz	IMERL, Montevideo	April-May 2006
B. Kalinin	U. South Alabama, Mobil	November 2005, May 2006
A. Sossinsky	Independent University of Moscow	May-June 2006

2004-2005

Long Term

NAME	HOME INSTITUTION	PERIOD OF VISIT
Livio Flaminio	University of Lille I	September-December 2004

Short Term

NAME	HOME INSTITUTION	PERIOD OF VISIT
Bassam Fayad	CNRS/University of Paris XIII	October 2004
Janina Kotus	Warsaw Polytechnic	September 7 - October 3 2004
Arek Goetz	San Francisco State University	October 2004
Mariusz Lemanczyk *	University of Torun	October 20 - November 20, 2004
Krzysztof Fraczek	University of Torun	October 4 - November 4, 2004
Anatoly Vershik *	Russian Academy of Sciences	September - October 2004
Marc Burger	ETH Zurich	September 2004
Helmut Hofer !	Courant Institute, NYU	January 2005
David Kazhdan !	Hebrew University of Jerusalem	February 2005
Alexey Sossinsky	Independent University of Moscow	March - April 2005
Jens Markloff	University of Bristol	March - April 2005
Leonid Polterovich	Tel Aviv University	April 2005
Viatcheslav Grines *	University of Nizhnij Novgorod	one month in Spring 2005

2003-2004

NAME

HOME INSTITUTION

PERIOD OF VISIT

2002-2003

NAME	HOME INSTITUTION	PERIOD OF VISIT
Huyi Hu		Full year
Michiko Yuri	Sapporo University	September 2002
Carlos Gutierrez	University of Sao Paulo	September-October 2002
Sergei Ivanov	Steklov Institute	October 2002
Yuri Kifer	Hebrew University	October 2002
Marco Lenci	Stevens Institute of Technology	October 2002
Karl Friedrich Siburg	Bochum Universitaet	November 2002
Carmen Chicone	University of Missouri	November 2002
Vitali Kapovitch	University of California at Santa Barbara	November 2002
Nicolai Haydn	University of Southern California	December 2002
Bassam Fayad	CNRS Paris XIII	February 2003
David Handron	Carnegie Mellon University	February 2003
Marcus Khuri	University of Pennsylvania	February 2003
Jean-Paul Thouvenot	CNRS Paris VI	February 2003
Omri Sarig	University of Warwick	February 2003
Michael Benedicks	Royal Institute of Technology	February-March 2003
Elon Lindenstrauss	Stanford University	March 2003
Bernard Host	Univeristy of Marne la Vallee	March 2003
Tamar Ziegler	Ohio State University	April 2003
Bruce Kleiner	University of Michigan, Ann Arbor	April 2003
Amie Wilkinson	Northwestern University	April 2003
Mikhail Kulikov	Moscow State University	April 2003
David Cowan	Tufts University	April 2003
Rafael de la Llave	University of Texas, Austin	May 2003

2001-2002

Long Term

NAME	HOME INSTITUTION	PERIOD OF VISIT
Boris Gurevich	Moscow State University	Fall 2001
Bassam Fayad	CNRS	October 2001, Spring 2002

Short Term Fall 2001 (incomplete List)

NAME	HOME INSTITUTION	PERIOD OF VISIT
Karoli Simon*	Technical University of Budapest	Sept. 2-Oct. 1, 2001
Michael Farber*	Tel Aviv University	Sept. 6-16, 2001
Keith Burns	Northwestern University	Sept 2001
Sergei Ivanov	Russian Academy of Sciences	Sept .10-Oct .20 2001
Valentin Ovsienko*	University of Marseille-Luminy	Sept .16 -Oct. 20 2001
Scot Adams*	University of Minnesota	Sept. 20- Oct. 20 2001
Leonid Koralov	Princeton University	Sept. 2001
Alexey Sossinsky	Independent University of Moscow	Sept. 28- late Oct. 2001
Federico Rodriguez Hertz	IMPA	Oct. 8-Oct. 31 2001
Michael Shub	IBM Watson	Mid Oct. 2001
Gerhard Knieper*	Ruhr Universitat Bochum	Oct. 25- Nov. 16 2001
Domokos Szasz	Technical University of Budapest	Late Oct. 2001
Serge Troubetzkoy	Univerity of Marseille-Luminy	Nov. 1-30 2001
Alexis Glutsyuk	CNRS, Lyon	Nov. 12-16, 2001
Jean-Christophe Yoccoz	College de France	Nov. 27 - Dec. 4, 2001

2000-2001

Long Term

NAME	PERIOD OF VISIT
Misha Brin	Fall
Fernando Oliveira	Fall

Short Term (incomplete list)

NAME	HOME INSTITUTION	PERIOD OF VISIT
Valentin Afraimovich	IICO-UASLP, San Luis Potosi Mexico	August - September 2000
Marc Burger*	ETH, Zurich	October 1-15, 2000
Leonid Polterovich	Tel Aviv University	October 17-27, 2000
Joerg Schmelling*	Frei University, Berlin	October 2000
Nandor Simanyi	University of Alabama, Birmingham	November 2000

1999-2000

Long Term

NAME	TITLE	PERIOD OF VISIT
Huyi Hu	Visiting Assistant Professor	whole year
Peter Veerman	Visiting Assistant Professor	whole year
Fernando Oliveira		whole year

Short Term (incomplete list)

NAME	HOME INSTITUTION	PERIOD OF VISIT
Yuri Kifer	Hebrew University, Israel	August 1999
Boris Gurevich*	Moscow State University, Russia	Fall 1999
Manfred Denker*	University Gottingen,Germany	March 2000
Mark Pollicott*	University Manchester, England	April 2000

1998-1999

Long Term

NAME	TITLE	PERIOD OF VISIT
Idel U. Bronshteyn	Visiting Professor	whole year
Huyi Hu	Visiting Assistant Professor	whole year

Short Term (incomplete List)

NAME	HOME INSTITUTION	PERIOD OF VISIT
Sergey Ivanov	St. Petersburg State University, St. Petersburg, Russia	September 1998
Dmitry V. Anosov	Steklov Institute, Russian Academy of Science	April 1999
Boris Gurevich	Moscow State University	Spring 1999
Sandro Vaenti	Marseille-Luminy	October 1998
Lev Lerman	IAMK, Nizhni Novgorod, Russia	November 1998

1997-1998

Long Term

NAME	HOME INSTITUTION	PERIOD OF VISIT
Valentine Afraimovich		August-September 1997
Chong-Qing Cheng
Leopold Flatto	Bell Lab
Hillel Furstenberg*#	Hebrew University	February 1998
Boris Gurevich	Moscow State University	November 1997
Gerhard Keller*	University of Heidelberg	October 1997
Francois Ledrappier	Ecole Polytechnique, Palaiseau	October 1997
Gennady Levin	Hebrew University
Mark Pollicott	University of Manchester	March-April 1998
Nantian Qian	Yale University
Klaus Schmidt*	University of Vienna / Erwin Schroedinger Institute	February/March 1998
Mikhail Soloveitchik		October 1997
Yurii Suhov	Cambridge University	November-December 1997
Domokos Szasz*	Hungarian Academy of Sciences	September-October 1997
Lai-Sang Yang	UCLA	January 1998
Shu Zhu	Beijing University	September 1997-March 1998

Associate Members

NAME	UNIVERSITY/DEPARTMENT
Boris Hasselblatt	Tufts/Mathematics
Luis Barreira	Instituto Superior Tecnico-Lisbon/Mathematics
Bassam Fayad	CNRS/University of Paris XIII
Omri Sarig	Weizmann Institute, Israel
Yuri Burago	St. Petersburg State university & Steklov Institute
Sergey Ivanov	St. Petersburg State university & Steklov Institute

Center for Dynamical Systems and Geometry

People

Faculty

Postdoctoral Fellows

Aaron Brown, (brown@math.psu.edu): NSF Postdoctoral Fellow; 2011-2013

Recent Postdoctoral Fellows

2003-2005

2002-2003

2001-2002

2000-2001

1999-2000

1998-1999

1997-1998

Graduate Students

Current Graduate Students:

Recent Graduate Students

2006

2005

2004

2003

2002

2000

1999

1998

1997

1996

1995

1994

Visitors

show more

2006-2007

2005-2006

2004-2005

2003-2004

2002-2003

2001-2002

2000-2001

1999-2000

1998-1999

1997-1998

Associate Members