The $abc$-Problem for Gabor Systems(Memoirs of the American Mathematical Society)

加博尔系统$ABC$问题(丛书)

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作      者
出版时间
2016年10月30日
装      帧
平装
ISBN
9781470420154
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页      码
99
开      本
7 x 0.2 x 10 inches
语      种
英文
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图书简介
A longstanding problem in Gabor theory is to identify time-frequency shifting lattices $amathbb{Z}times bmathbb{Z}$ and ideal window functions $chi_I$ on intervals $I$ of length $c$ such that ${e^{-2pi i n bt} chi_I(t- m a): (m, n)in mathbb{Z}times mathbb{Z}}$ are Gabor frames for the space of all square-integrable functions on the real line. In this paper, the authors create a time-domain approach for Gabor frames, introduce novel techniques involving invariant sets of non-contractive and non-measure-preserving transformations on the line, and provide a complete answer to the above $abc$-problem for Gabor systems.
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