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(2019.10.30)Shinichi Kotani:Two topics on Lyapounov exponent
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Update time: 2019-11-06
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Academy of Mathematics and Systems Science, CAS
Colloquia & Seminars

Speaker:

Shinichi Kotani,Emeritus of Osaka University

Inviter:  
Title:
Two topics on Lyapounov exponent
Time & Venue:
2019.10.30 9:00-10:00 N202
Abstract:
Lyapounov exponents (LE) for Schr\"odinger operators with ergodic potentials or Jacobi matrices with ergodic coefficients are known to characterize the absolutely continuous spectrum. In this talk the speaker will focus on two topics of LE. One is a relationship between LE and equilibrium measures. Another one is a problem aroused in a study of the KdV equation, which is related with some asymptotic behavior of Titchmarsh-Weyl functions .
 

 

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