On the three essential critical values theorem

DOI10.4171/ZAA/1030zbMath0987.58005MaRDI QIDQ5949153

Berardino Sciunzi

Publication date: 14 November 2001

Published in: Zeitschrift für Analysis und ihre Anwendungen (Search for Journal in Brave)

zbMATH Keywords

Palais-Smale conditiondeformation lemmaessential critical valuethree critical points theorem

Mathematics Subject Classification ID

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

Cites Work

• Unnamed Item
• Unnamed Item
• Unnamed Item
• Unnamed Item
• Unnamed Item
• Critical point theory and the number of solutions of a nonlinear Dirichlet problem
• A note on topological degree for potential operators
• On the three critical points theorem
• Infinite dimensional Morse theory and multiple solution problems
• Applications of local linking to critical point theory
• Perturbations of even nonsmooth functionals
• Homotopy theory of infinite dimensional manifolds
• Lusternik-Schnirelman theory on Banach manifolds
• Solutions of asymptotically linear operator equations via morse theory
• A Note on Degree Theory for Gradient Mappings
• Remarks on finding critical points

This page was built for publication: On the three essential critical values theorem