On the regularity of the covariance matrix of a discretized scalar field on the sphere

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Authors: Bilbao-Ahedo, J. D.; Barreiro, R. B.; Herranz, D.; Vielva, P.; Martínez-González, E.

Journal title: Journal of Cosmology and Astroparticle Physics

Journal number: 02

Journal publisher: Institute of Physics

Published year: 2017

Published pages: 022

DOI identifier: 10.1088/1475-7516/2017/02/022

ISSN: 1475-7516