116 citations
- Centre National de la Recherche ScientifiqueFR53 papers
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Showing 2014Show all
2 papers · 1 filter
math.SP2014★ 5 cited
On the number of nodal domains of the 2D isotropic quantum harmonic oscillator -- an extension of results of A. Stern --
Pierre Bérard, Bernard Helffer
In the case of the sphere and the square, Antonie Stern (1925) claimed in her PhD thesis the existence of an infinite sequence of eigenvalues whose corresponding eigenspaces contai…
math.OC2014★ 1 cited
Cut locus and heat kernel at Grushin points of 2 dimensional almost Riemannian metrics
Grégoire Charlot
This article deals with 2d almost Riemannian structures, which are generalized Riemannian structures on manifolds of dimension 2. Such sub-Riemannian structures can be locally defi…