Title of article
On completeness of orthogonal systems and Dirac deltas
Author/Authors
Riera، نويسنده , , Mario Pérez and Varona Malumbres، نويسنده , , Juan L.، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 1995
Pages
7
From page
225
To page
231
Abstract
Given a positive measure μ supported on a set Ω ⊆ C, an orthonormal system {ϕn}n ⩾ 0 and a point a ∈ Ω, we study the relationship among μ({a}), the kernels Kn(a, a) = ∑k = 0nϕk(a)ϕk(a) and the denseness of span {ϕn}n ⩾ 0 in L2(μ) and in L2(v), where v = μ + Mδa.
Keywords
Orthogonal systems , Dirac deltas , Moment problem
Journal title
Journal of Computational and Applied Mathematics
Serial Year
1995
Journal title
Journal of Computational and Applied Mathematics
Record number
1545918
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