Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
4622095 | Journal of Mathematical Analysis and Applications | 2008 | 9 Pages |
Abstract
In this paper, first we show that an analogy of the Christoffel–Darboux formula holds for the zonal spherical functions for the Gelfand pair (U(n),U(n−1)). Next, making use of it, we deal with the problem on point-wise convergence of Fourier expansion by means of the zonal spherical functions for (U(n),U(n−1)).
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