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Fast generalized DFTs for all finite groups

Umans, Christopher (2019) Fast generalized DFTs for all finite groups. In: 2019 IEEE 60th Annual Symposium on Foundations of Computer Science (FOCS). IEEE , Piscataway, NJ, pp. 793-805. ISBN 978-1-7281-4952-3.

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For any finite group G, we give an arithmetic algorithm to compute generalized Discrete Fourier Transforms (DFTs) with respect to G, using O(|G|^(ω/2+ ϵ)) operations, for any ϵ > 0. Here, ω is the exponent of matrix multiplication.

Item Type:Book Section
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Additional Information:© 2019 IEEE. Supported by NSF grant CCF-1815607 and a Simons Foundation Investigator grant.
Funding AgencyGrant Number
Simons FoundationUNSPECIFIED
Subject Keywords:Discrete Fourier Transform, finite group, algorithm
Record Number:CaltechAUTHORS:20191115-133902016
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Official Citation:C. Umans, "Fast Generalized DFTs for all Finite Groups," 2019 IEEE 60th Annual Symposium on Foundations of Computer Science (FOCS), Baltimore, MD, USA, 2019, pp. 793-805. doi: 10.1109/FOCS.2019.00052
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:99867
Deposited By: Tony Diaz
Deposited On:15 Nov 2019 22:42
Last Modified:16 Nov 2021 17:49

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