On a semilinear elliptic Neumann problem with asymmetric nonlinearities

Gossez, J.-P.; Omari, P.

doi:10.1090/S0002-9947-1995-1285991-4

On a semilinear elliptic Neumann problem with asymmetric nonlinearities
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by J.-P. Gossez and P. Omari PDF

Trans. Amer. Math. Soc. 347 (1995), 2553-2562 Request permission

Abstract:

We consider the Neumann problem (1.1) below. We extend the range of applicability of the sharp nonresonance condition derived in [Go-Om] so as, in particular, allow asymmetric nonlinearities.

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