Approximation by K-finite functions in Lp spaces |
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Authors: | E. K. Narayanan R. Rawat S. K. Ray |
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Affiliation: | (1) Department of Mathematics, Indian Institute of Science, Bangalore, 560012, India;(2) Department of Mathematics and Statistics, Indian Institute of Technology Kanpur, Kanpur, 208016, U.P., India |
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Abstract: | Let Γ ⊂ ℝn, n ≥ 2, be the boundary of a bounded domain. We prove that the translates by elements of Γ of functions which transform according to a fixed irreducible representation of the orthogonal group form a dense class in L p (ℝn) for . A similar problem for noncompact symmetric spaces of rank one is also considered. We also study the connection of the above problem with the injectivity sets for weighted spherical mean operators. The first author was supported in part by a grant from UGC via DSA-SAP Phase IV. |
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