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Název:		Discrete harmonic analysis : representations, number theory, expanders, and the Fourier transform / Tullio Ceccherini-Silberstein, Fabio Scarabotti, Filippo Tolli
Autor:		Ceccherini-Silberstein, Tullio,
Rok vydání:
Identifikátory:		9781316856383 aba013-001814873

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Anotace:	This self-contained book introduces readers to discrete harmonic analysis with an emphasis on the Discrete Fourier Transform and the Fast Fourier Transform on finite groups and finite fields, as well as their noncommutative versions. It also features applications to number theory, graph theory, and representation theory of finite groups. Beginning with elementary material on algebra and number theory, the book then delves into advanced topics from the frontiers of current research, including spectral analysis of the DFT, spectral graph theory and expanders, representation theory of finite groups and multiplicity-free triples, Tao's uncertainty principle for cyclic groups, harmonic analysis on GL(2,Fq), and applications of the Heisenberg group to DFT and FFT. With numerous examples, figures, and over 160 exercises to aid understanding, this book will be a valuable reference for graduate students and researchers in mathematics, engineering, and computer science. Provides a self-contained, unified treatment of finite Abelian Groups, finite fields, Discrete and Fast Fourier Transforms, and applications to number theory, spectral graph theory and expanders, and representation theory of finite groups Includes a well-rounded set of examples and over 160 exercises Develops the reader's understanding from the fundamentals to the frontiers of current research
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