Christophe Troestler

activity

20122026

most citedBifurcation into spectral gaps for a noncompact semilinear Schrödinger equation with nonconvex potential

7 citations · 13 across the 12 of their papers we have counts for

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math.AP2024

Uniqueness, non-degeneracy, and exact multiplicity of positive solutions for superlinear elliptic problems

Guglielmo Feltrin, Christophe Troestler

In this paper, we focus our attention on the positive solutions to second-order nonlinear ordinary differential equations of the form $u^{''} + q (t) g (u) = 0$ , where $q$ is a sign-changing…

math.AP2024

Infinitely many normalized solutions of $L^{2}$ -supercritical NLS equations on noncompact metric graphs with localized nonlinearities

Pablo Carrillo, Damien Galant, Louis Jeanjean +1

We consider the existence of solutions for nonlinear Schrödinger equations on noncompact metric graphs with localized nonlinearities. In an $L^{2}$ -supercritical regime, we establish…

Uniqueness, non-degeneracy, and exact multiplicity of positive solutions for superlinear elliptic problems

Infinitely many normalized solutions of L2-supercritical NLS equations on noncompact metric graphs with localized nonlinearities

Infinitely many normalized solutions of $L^{2}$ -supercritical NLS equations on noncompact metric graphs with localized nonlinearities