On the three critical points theorem

DOI10.12775/TMNA.1998.006zbMath0920.58016MaRDI QIDQ1270580

Alfonso Vignoli, Vitaly Moroz, Peter P. Zabreĭko

Publication date: 11 January 1999

Published in: Topological Methods in Nonlinear Analysis (Search for Journal in Brave)

zbMATH Keywords

Hammerstein equation3 critical points theorem

Mathematics Subject Classification ID

Other nonlinear integral equations (45G10) Particular nonlinear operators (superposition, Hammerstein, Nemytski?, Uryson, etc.) (47H30) Abstract critical point theory (Morse theory, Lyusternik-Shnirel'man theory, etc.) in infinite-dimensional spaces (58E05)

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