Sufficient Conditions for Sampling and Interpolation on the Sphere |
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Authors: | Jordi Marzo Bharti Pridhnani |
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Institution: | 1. Dept. Matemàtica Aplicada i Anàlisi, Universitat de Barcelona, Gran Via 585, 08007?, Barcelona, Spain
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Abstract: | We obtain sufficient conditions for arrays of points, \(\mathcal {Z}=\{\mathcal {Z}(L) \}_{L\ge 1}\) , on the unit sphere \(\mathcal {Z}(L)\subset \mathbb {S}^d\) , to be Marcinkiewicz–Zygmund and interpolating arrays for spaces of spherical harmonics. The conditions are in terms of the mesh norm and the separation radius of \(\mathcal {Z}(L)\) . |
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