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Publication:3918776
zbMath0466.58015MaRDI QIDQ3918776
Publication date: 1978
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
superposition operatorexistence of critical pointsfunctionals on Banach spacespairs of nonzero critical pointsuniformly elliptic differential operator in a bounded domain with a smooth boundary
Nonlinear boundary value problems for linear elliptic equations (35J65) Other nonlinear integral equations (45G10) Lyusternik-Shnirel'man category of a space, topological complexity à la Farber, topological robotics (topological aspects) (55M30) Abstract critical point theory (Morse theory, Lyusternik-Shnirel'man theory, etc.) in infinite-dimensional spaces (58E05) Existence theories for problems in abstract spaces (49J27)
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