A deformation lemma and some critical point theorems

DOI10.1017/S0004972700028896zbMath0714.58008OpenAlexW1988078808WikidataQ124810470 ScholiaQ124810470MaRDI QIDQ3200269

Yihong Du

Publication date: 1991

Published in: Bulletin of the Australian Mathematical Society (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1017/s0004972700028896

zbMATH Keywords

Palais-Smale conditioncritical pointsdeformation lemma

Mathematics Subject Classification ID

Existence of solutions for minimax problems (49J35) Abstract critical point theory (Morse theory, Lyusternik-Shnirel'man theory, etc.) in infinite-dimensional spaces (58E05)

Related Items

Unnamed Item ⋮ Some remarks on nonsmooth critical point theory ⋮ Parametric eigenvalue problems with constraints for variational-hemivariational inequalities

Cites Work

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• Extensions of the mountain pass theorem
• A mountain pass theorem
• Some minimax principles and their applications in nonlinear elliptic equations
• Critical point theorems for indefinite functionals
• Dual variational methods in critical point theory and applications
• A Variational approach to superlinear elliptic problems