Abstract
In this paper we consider the semilinear problem with critical growth in the Heisenberg group $-\Delta_{_{\mathbb{H}^n}} u = u^{(Q+2)/(Q-2)}+\lambda u$ in $\Omega$, $u> 0$ in $\Omega$, $u=0$ in $\partial\Omega$, and we provide a multiplicity existence result involving Lusternik-Schnirelmann category.
Citation
Elisa Garagnani. Francesco Uguzzoni. "A multiplicity result for a degenerate elliptic equation with critical growth on noncontractible domains." Topol. Methods Nonlinear Anal. 22 (1) 53 - 68, 2003.
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