Jumping nonlinearities and weighted Sobolev spaces |
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Authors: | Adolfo J. Rumbos Victor L. Shapiro |
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Affiliation: | a Department of Mathematics and Computer Science, Pomona College 610 N, College Avenue, Claremont, CA 91711, USA b University of California, Riverside, CA, USA |
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Abstract: | Working in a weighted Sobolev space, a new result involving jumping nonlinearities for a semilinear elliptic boundary value problem in a bounded domain in RN is established. The nonlinear part of the equation is assumed to grow at most linearly and to be at resonance with the first eigenvalue of the linear part on the right. On the left, the nonlinearity crosses over (or jumps over) several higher eigenvalues. Existence is obtained through the use of infinite-dimensional critical point theory in the context of weighted Sobolev spaces and appears to be new even for the standard Dirichlet problem for the Laplacian. |
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Keywords: | Singular elliptic equations Weighted Sobolev spaces Resonance Jumping nonlinearities |
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