Class Central is learner-supported. When you buy through links on our site, we may earn an affiliate commission.

YouTube

Continuity Properties of Lyapunov Exponents - Lecture 7

Simons Semester on Dynamics via YouTube

Overview

Explore the continuity properties of Lyapunov exponents in this lecture from the Simons Semester on Dynamics series. Delve into the control of Lyapunov exponents using entropy for smooth surface diffeomorphisms, based on recent joint works with Sylvain Crovisier and Omri Sarig. Learn about computing the entropy of measures through the expansion of smooth unstable curves using Yomdin's reparametrization technique. Understand the relationship between potential drops in Lyapunov exponents and "near" homoclinic tangencies, which impede the expansion of unstable curves over extended time periods. Gain insights into fundamental concepts in smooth ergodic theory, followed by an examination of key estimates and a discussion of the main result. Time permitting, discover the consequences of this result, including a spectral gap property for entropy-maximizing measures, and explore the construction of Sinai-Ruelle-Bowen measures using these methods.

Syllabus

Jérôme Buzzi (Université Paris-Saclay), lecture 7

Taught by

Simons Semester on Dynamics

Reviews

Start your review of Continuity Properties of Lyapunov Exponents - Lecture 7

Never Stop Learning.

Get personalized course recommendations, track subjects and courses with reminders, and more.

Someone learning on their laptop while sitting on the floor.