Wiener Wintner Ergodic Theorems

Wiener Wintner Ergodic Theorems

Idris Assani

Format: Print Book

ISBN: 9789810244392

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The Wiener Wintner ergodic theorem is a strengthening of Birkhoff pointwise ergodic theorem. Announced by N Wiener and A Wintner, this theorem has introduced the study of a general phenomenon in ergodic theory in which samplings are “good” for an uncountable number of systems. We study the rate of convergence in the uniform version of this theorem and what we call Wiener Wintner dynamical systems and prove for these systems two pointwise results: the a.e. double recurrence theorem and the a.e. continuity of the fractional rotated ergodic Hilbert transform. Some extensions of the Wiener Wintner ergodic theorem are also given.

Format: Hardcover
No of Pages: 228
Imprint: World Scientific
Publication date: 20030526

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