A Morse lemma for degenerate critical points with low differentiability

DOI10.1155/S1085337500000245zbMath1017.58007WikidataQ124946957 ScholiaQ124946957MaRDI QIDQ1608764

Fausto M. de Souza, Adriano A. de Moura

Publication date: 13 August 2002

Published in: Abstract and Applied Analysis (Search for Journal in Brave)

Full work available at URL: https://eudml.org/doc/50220

zbMATH Keywords

Hilbert spacedegenerate critical pointsymmetric operatortwice strongly differentiable function

Mathematics Subject Classification ID

Abstract critical point theory (Morse theory, Lyusternik-Shnirel'man theory, etc.) in infinite-dimensional spaces (58E05)

Related Items (4)

Local perturbation of a Finsler metric with a closed geodesic without self-intersections ⋮ Methods of infinite dimensional Morse theory for geodesics on Finsler manifolds ⋮ Morse theory of causal geodesics in a stationary spacetime via Morse theory of geodesics of a Finsler metric ⋮ Existence of nontrivial solutions for semilinear problems with strictly differentiable nonlinearity

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