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Results tagged with sp.spectral-theory
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user 123897
Schrodinger operators, operators on manifolds, general differential operators, numerical studies, integral operators, discrete models, resonances, non-self-adjoint operators, random operators/matrices
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votes
Radial symmetry of the first eigenfunction
The fact that the first eigenfunction is radial follows from the uniqueness (up to scale) of the first eigenfunction, that the eigenvalue equation is invariant under isometries fixing $B$ and (1) the …
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