A.~Stern's analysis of the nodal sets of some families of spherical harmonics revisited
Résumé
In this paper, we revisit the analyses of Antonie Stern (1925) and Hans Lewy (1977) devoted to the construction of spherical harmonics with two or three nodal domains. This is a natural continuation of our critical reading of A. Stern's results for Dirichlet eigenfunctions in the square \cite{BeHe}
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