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math.AP2013
Eigenvalue gaps for the Laplacian on hypersurfaces of the sphere
Demetrios A. Pliakis
We provide lower estimates for the eigenvalues of the laplacian for hypersurfaces of the round sphere.
math.AP2013★ 2 cited
The size of the nodal sets for the eigenfunctions of the smooth laplacian
Demetrios A. Pliakis
We prove estimates for eigenfunctions on a manifold equipped with a smooth metric. We use these estimates in order estimate the size of their nodal sets.