Applications of degree for $S^1$-equivariant gradient maps to variational nonlinear problems with $S^1$-symmetries

DOI10.12775/TMNA.1997.018zbMath0891.55003OpenAlexW2579684730MaRDI QIDQ1382803

Publication date: 12 July 1998

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

Full work available at URL: https://doi.org/10.12775/tmna.1997.018

zbMATH Keywords

variational problem bifurcation degree equivariant map

Mathematics Subject Classification ID

Degree, winding number (55M25) Group-invariant bifurcation theory in infinite-dimensional spaces (58E09)

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Applications of degree for \(S^1\)-equivariant gradient maps to variational nonlinear problems with \(S^1\)-symmetries