We study eigenvalue problems with discontinuous terms. In particular we consider two problems: a nonlinear problem and a semilinear problem for elliptic equations. In order to study the existence of solutions we replace these two problems with their multivalued approximations and, for the first problem, we estabilish an existence result while for the second problem we prove the existence of multiple nontrivial solutions. The approach used is variational.
@article{bwmeta1.element.bwnjournal-article-apmv75z2p125bwm,
author = {Papageorgiou, Nikolaos and Papalini, Francesca},
title = {Existence and multiplicity results for nonlinear eigenvalue problems with discontinuities},
journal = {Annales Polonici Mathematici},
volume = {75},
year = {2000},
pages = {125-141},
zbl = {1050.35061},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-apmv75z2p125bwm}
}
Papageorgiou, Nikolaos; Papalini, Francesca. Existence and multiplicity results for nonlinear eigenvalue problems with discontinuities. Annales Polonici Mathematici, Tome 75 (2000) pp. 125-141. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-apmv75z2p125bwm/
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