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Publication:3879967
zbMath0438.57014MaRDI QIDQ3879967
Publication date: 1977
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Palais-Smale conditionFredholm operatorcritical points for perturbed maps on Hilbert manifoldsRiemannian Hilbert manifold
Abstract critical point theory (Morse theory, Lyusternik-Shnirel'man theory, etc.) in infinite-dimensional spaces (58E05) Critical points and critical submanifolds in differential topology (57R70) Theory of singularities and catastrophe theory (58K99) Differentiable maps on manifolds (58C25)
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