Eigenvalue problems with indefinite weight

Volume 135 / 1999

Andrzej Szulkin, Studia Mathematica 135 (1999), 191-201 DOI: 10.4064/sm-135-2-191-201


We consider the linear eigenvalue problem -Δu = λV(x)u, $u ∈ D^{1,2}_0(Ω)$, and its nonlinear generalization $-Δ_{p}u = λV(x)|u|^{p-2}u$, $u ∈ D^{1,p}_0(Ω)$. The set Ω need not be bounded, in particular, $Ω = ℝ^N$ is admitted. The weight function V may change sign and may have singular points. We show that there exists a sequence of eigenvalues $λ_n → ∞$.


  • Andrzej Szulkin

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