Fourier series and approximation on hexagonal and triangular domains

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dc.creatorXu, Yuan
dc.date2008-02-04
dc.date.accessioned2026-07-07T09:18:31Z
dc.date.available2026-07-07T09:18:31Z
dc.descriptionSeveral problems on Fourier series and trigonometric approximation on a hexagon and a triangle are studied. The results include Abel and Cesàro summability of Fourier series, degree of approximation and best approximation by trigonometric functions, both direct and inverse theorems. One of the objective of this study is to demonstrate that Fourier series on spectral sets enjoy a rich structure that allow an extensive theory for Fourier expansions and approximation.
dc.description19 pages, 2 figures
dc.identifierhttps://arxiv.org/abs/0802.0316
dc.identifierhttp://arxiv.org/abs/0802.0316
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/154051
dc.subjectClassical Analysis and ODEs
dc.subject42B08, 41A25, 41A63
dc.titleFourier series and approximation on hexagonal and triangular domains
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