Abstract
Several well-known existence theorems and several new existence theorems for semilinear elliptic boundary value problems at resonance are shown to be corollaries of a single abstract result. The proofs rely on Leray-Schauder degree theory and the approximate domain method.
Citation
E. M. Landesman. S. B. Robinson. "A general approach to solvability conditions for semilinear elliptic boundary value problems at resonance." Differential Integral Equations 8 (6) 1555 - 1569, 1995. https://doi.org/10.57262/die/1368638181
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