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Zeitschrift für Analysis und ihre Anwendungen


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Volume 35, Issue 4, 2016, pp. 449–464
DOI: 10.4171/ZAA/1573

Published online: 2016-10-05

Two Non-Zero Solutions for Elliptic Dirichlet Problems

Gabriele Bonanno[1] and Giuseppina D'Aguì[2]

(1) Università di Messina, Italy
(2) Università di Messina, Italy

The aim of this note is to point out a two non-zero critical points theorem for di fferentiable functionals and, as an application, to obtain existence results of two positive solutions for elliptic Dirichlet problems by requiring, in particular, a suitable condition on the nonlinearity which is more general than the sublinearity at zero.

Keywords: Variational methods, multiple critical points, elliptic nonlinear equations, boundary value problems

Bonanno Gabriele, D'Aguì Giuseppina: Two Non-Zero Solutions for Elliptic Dirichlet Problems. Z. Anal. Anwend. 35 (2016), 449-464. doi: 10.4171/ZAA/1573