scientific article

zbMath0477.35002MaRDI QIDQ3934828

Louis Nirenberg

Publication date: 1981

Full work available at URL: http://www.numdam.org/item?id=SEDP_1980-1981____A22_0

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

surveyMountain Pass Lemmanonlinear string equation with a monotonic nonlinearity

Mathematics Subject Classification ID

Monotone operators and generalizations (47H05) Periodic solutions to PDEs (35B10) Variational methods applied to PDEs (35A15) Second-order nonlinear hyperbolic equations (35L70) Abstract critical point theory (Morse theory, Lyusternik-Shnirel'man theory, etc.) in infinite-dimensional spaces (58E05)

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