In mathematics, the Wiener–Wintner theorem, named after Norbert Wiener and Aurel Wintner, is a strengthening of the ergodic theorem, proved by Wiener and Wintner (1941). == Statement == Suppose that τ is a measure-preserving transformation of a measure space S with finite measure.
In mathematics, the Wiener–Wintner theorem, named after Norbert Wiener and Aurel Wintner, is a strengthening of the ergodic theorem, proved by Wiener and Wintner (1941). == Statement == Suppose that τ is a measure-preserving transformation of a measure space S with finite measure.
Source: Wikipedia "Wiener–Wintner theorem" · CC BY-SA 4.0
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