On the invertibility of "rectangular" bi-infinite matrices and applications in time--frequency analysis

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dc.creatorPfander, Goetz E.
dc.date2007-05-14
dc.date.accessioned2026-07-07T08:01:24Z
dc.date.available2026-07-07T08:01:24Z
dc.descriptionFinite dimensional matrices having more columns than rows have no left inverses while those having more rows than columns have no right inverses. We give generalizations of these simple facts to bi--infinite matrices and use those to obtain density results for $p$--frames of time--frequency molecules in modulation spaces and identifiability results for operators with bandlimited Kohn--Nirenberg symbols.
dc.identifierhttps://arxiv.org/abs/0705.1911
dc.identifierhttp://arxiv.org/abs/0705.1911
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/128898
dc.subjectClassical Analysis and ODEs
dc.subjectFunctional Analysis
dc.subject42C15, 42C30, 47B37, 47G30
dc.titleOn the invertibility of "rectangular" bi-infinite matrices and applications in time--frequency analysis
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