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On Principal Eigenvalues for Indefinite Problems in Euclidean Space |
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| Authors: | Grigori Rozenblum Michael Solomyak |
| Abstract: | For the eigenvalue problem—λΔu = q(x)u in IRd, with the weight function q changing sign, conditions are discussed for existence of eigenvalues with positive decaying eigenfunctions. |
| Keywords: | Eigenvalue problems embedding theorems |