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On the range of a wave operator with nonmonotone nonlinearity

โœ Scribed by Helmut Hofer


Publisher
John Wiley and Sons
Year
1982
Tongue
English
Weight
534 KB
Volume
106
Category
Article
ISSN
0025-584X

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On the Existence of Solutions for Nonlin
โœ Nikolaos S. Papageorgiou ๐Ÿ“‚ Article ๐Ÿ“… 1997 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 242 KB

In this paper we consider a nonlinear parabolic problem with a discontinuous, nonmonotone nonlinearity. We assume the existence of an upper solution and a lower solution such that F . Using results from the theory of pseudomonotone operators and from the theory of multivalued analysis together with