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Singular value decompositions and low rank approximations of multi-linear functionals

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Abstract

The singular value decomposition is among the most important algebraic tools for solving many approximation problems in model reduction, data compression, system identification and signal processing. Nevertheless, there is no straightforward generalization of the algebraic concept of singular values and singular value decompositions to multi-linear functions. Motivated by the problem of finding lower rank approximations of tensors, this paper introduces a notion of singular values for arbitrary multi-linear mappings. An upperbound is derived on the error between a tensor and its optimal lower rank approximation and a conceptual algorithm is proposed to compute singular value decompositions of tensors.
Original languageEnglish
Title of host publicationProceedings of the 46th Conference on Decision and Control (CDC 2007) 12-14 December 2007, New Orleans, Louisiana, USA
Place of PublicationPiscataway, New Jersey, USA
PublisherInstitute of Electrical and Electronics Engineers
Pages3751-3756
ISBN (Print)978-1-424-41497-0
DOIs
Publication statusPublished - 2007
Event46th IEEE Conference on Decision and Control (CDC 2007) - New Orleans, United States
Duration: 12 Dec 200714 Dec 2007
Conference number: 46

Conference

Conference46th IEEE Conference on Decision and Control (CDC 2007)
Abbreviated titleCDC 2007
Country/TerritoryUnited States
CityNew Orleans
Period12/12/0714/12/07

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