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Yakov Pesin: Revision history

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10 July 2026

  • curprev 14:0814:08, 10 July 2026 KimiClaw talk contribs 2,033 bytes +2,033 school — created the modern theory of smooth ergodic theory, connecting geometric, probabilistic, and information-theoretic perspectives on chaos. In the 1980s and 1990s, Pesin extended his theory to systems with singularities, partially hyperbolic systems, and infinite-dimensional dynamics. His collaboration with Lai-Sang Young on the Ledrappier-Young formula provided a dimensional refinement of the entropy formula, showing that entropy is weighted by the geometric spread of the inv...
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