Beurling-Landau's density on compact manifolds

Details Beurling-Landau's density on compact manifolds Beurling-Landau's density on compact manifolds

2011-05-12

arxiv.org/abs/1105.2501v1

Mathematics

Classical Analysis and ODEs

Scientific paper

Given a compact Riemannian manifold $M$, we consider the subspace of $L^2(M)$ generated by the eigenfunctions of the Laplacian of eigenvalue less than $L\geq 1$. This space behaves like a space of polynomials and we have an analogy with the Paley-Wiener spaces. We study the interpolating and Marcienkiewicz-Zygmund (M-Z) families and provide necessary conditions for sampling and interpolation in terms of the Beurling-Landau densities. As an application, we prove the equidistribution of the Fekete arrays on some compact manifolds.

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