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Anatole Katok

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first rigidity statements in dynamical systems. In the last two decades Katok has been working on other rigidity phenomena, and in collaboration with several colleagues, made contributions to smooth rigidity and geometric rigidity, to differential and cohomological rigidity of smooth actions of higher-rank
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Katok held tenured faculty positions at three mathematics departments: University of Maryland (1978–1984), California Institute of Technology (1984–1990) and since 1990 at the Pennsylvania State University, where he held the Raymond N. Shibley professorship since 1996. He had advised 44 PhD students
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Katok's works on topological properties of nonuniformly hyperbolic dynamical systems. It includes density of periodic points and lower bounds on their number as well as exhaustion of topological entropy by horseshoes. These were the topic of his lecture at the International Congress of Mathematicians
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Katok was also known for formulating conjectures and problems (for some of which he even offered prizes) that influenced bodies of work in dynamical systems. The best-known of these is the Katok Entropy Conjecture, which connects geometric and dynamical properties of geodesic flows. It is one of the
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While in graduate school, Katok (together with A. Stepin) developed a theory of periodic approximations of measure-preserving transformations commonly known as Katok—Stepin approximations. This theory helped to solve some problems that went back to
331: 191:; August 9, 1944 – April 30, 2018) was an American mathematician with Russian-Jewish origins. Katok was the director of the Center for Dynamics and Geometry at the Pennsylvania State University. His field of research was the theory of 334:
in Warsaw (his talk was titled "Nonuniform hyperbolicity and structure of smooth dynamical systems"). Katok became a member of American Academy of Arts and Sciences in 2004. In 2012, he became a fellow of the
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and a member of the editorial boards of multiple other prestigious publications, including Ergodic Theory and Dynamical Systems, Cambridge Tracts in Mathematics, and Cambridge Studies in Advanced Mathematics.
730: 474: 207:, from which he received his master's degree in 1965 and PhD in 1968 (with a thesis on "Applications of the Method of Approximation of Dynamical Systems by Periodic Transformations to Ergodic Theory" under 243:) equivalence, which is based on a generalization of the concept of time-change in flows. There are constructions in the theory of dynamical systems that are due to Katok. Among these are the 849: 844: 839: 305:, published by Cambridge University Press in 1995. This book is considered as encyclopedia of modern dynamical systems and is among the most cited publications in the area. 819: 829: 814: 809: 330:
In 1967 Katok was awarded a Moscow Mathematical Society for Young Mathematicians Prize (with A. Stepin and V. Oseledets). In 1983 he was an
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of higher rank, to measure rigidity for group actions and to nonuniformly hyperbolic actions of higher-rank abelian groups.
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Introduction to the Modern Theory of Dynamical Systems, Encyclopedia of Mathematics and Its Applications 54
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on their thesis; the Mathematics Genealogy Project lists most of his PhD students, and 121 descendants.
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Milnor, John. "John Willard Milnor. Fubini foiled: Katok's paradoxical example in measure theory".
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Katok's emigration to the United States was prompted by anti-Jewish nature of Soviet Communism.
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Pennsylvania State University, University Park, PA, University Lecture Series, 2003,
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Katok's collaboration with his former student Boris Hasselblatt resulted in the book
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on any surface, and the first construction of an invariant foliation for which
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Lectures on Surfaces: (Almost) Everything You Wanted to Know about Them
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Anatole Katok, mathematician who explored chaos theory, dies at 73
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A First Course in Dynamics with a Panorama of Recent Developments
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invited speaker at the International Congress of Mathematicians
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and Manfred Einsiedler, Katok made important progress on the
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Combinatorial Constructions in Ergodic Theory and Dynamics
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Brin, Michael; Hasselblatt, Boris; Pesin, Yakov (2004).
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Introduction to the Modern Theory of Dynamical Systems
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List of Fellows of the American Mathematical Society
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Venkatesh (2008). 294:Memorial Lectures at 268:Littlewood conjecture 512:"Anatole Katok's CV" 736:The Washington Post 613:Math. Intelligencer 343:Selected monographs 282:and of lattices in 764:2014-07-14 at the 264:Elon Lindenstrauss 253:Lyapunov exponents 438:978-0-8218-4679-7 387:978-0-8218-3496-1 270:in the theory of 219:Work and research 193:dynamical systems 178: 177: 126:dynamical systems 112:Scientific career 105:dynamical systems 862: 750:Eugene B. Dynkin 717: 716: 709: 703: 702: 695: 689: 688: 681: 675: 674: 672: 671: 662:. Archived from 656: 650: 649: 647: 623: 617: 616: 608: 602: 601: 581: 558: 557: 555: 554: 545:. Archived from 539: 533: 532: 530: 529: 523: 517:. 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Index


Washington, D.C.
Danville, Pennsylvania
Moscow State University
ergodic theory
dynamical systems
Mathematics
dynamical systems
Moscow State University
University of Maryland, College Park
California Institute of Technology
Pennsylvania State University
Doctoral advisor
Yakov Sinai
Russian
dynamical systems
Moscow State University
Yakov Sinai
Svetlana Katok
von Neumann
Kolmogorov
Moscow Mathematical Society
Kakutani
Anosov
Bernoulli
Lyapunov exponents
Fubini's theorem
Elon Lindenstrauss
Littlewood conjecture
Diophantine approximations

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