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A remark on the nodal regions of the solutions of some superlinear elliptic equations*

Published online by Cambridge University Press:  14 November 2011

Vieri Benci
Affiliation:
Istituto di Matematiche Applicate, Università, 56100 Pisa, Italy
Donato Fortunato
Affiliation:
Dipartimento di Matematica, Università, 70125 Bari, Italy

Synopsis

We study the problem

where Ω is a bounded domain in ℝn(N≧3), 2 <p ≦2N/N – 2, λ ∈R. We prove the existence of nontrivial solutions of (*) for which we can estimate the number of nodal regions dependent on the eigenvalues of −Δ less than λ.

Type
Research Article
Copyright
Copyright © Royal Society of Edinburgh 1989

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