An inequality for bi-orthogonal pairs

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dc.creatorMeaney, Christopher
dc.date2009-02-27
dc.date.accessioned2026-07-07T12:47:31Z
dc.date.available2026-07-07T12:47:31Z
dc.descriptionWe use Salem's method to prove that there is a lower bound for partial sums of series of bi-orthogonal vectors in a Hilbert space, or the dual vectors. This is applied to some lower bounds on $L^{1}$ norms for orthogonal expansions. There is also an application concerning linear algebra.
dc.identifierhttps://arxiv.org/abs/0902.4744
dc.identifierhttp://arxiv.org/abs/0902.4744
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/221750
dc.subjectClassical Analysis and ODEs
dc.subject42C15; 46C05
dc.titleAn inequality for bi-orthogonal pairs
dc.typetext

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