\(C^ 1\)-equivalence of functions near isolated degenerate critical points in Banach space

DOI10.1016/0022-247X(70)90300-8zbMath0204.13802MaRDI QIDQ2541560

George K. Francis

Publication date: 1970

Published in: Journal of Mathematical Analysis and Applications (Search for Journal in Brave)

Cites Work

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• Lusternik-Schnirelman theory on Banach manifolds
• On \(C^0\)-sufficiency of jets of potential functions

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