Normal forms of the Whitney umbrella with respect to the contact group preserving a cone

DOI10.1007/BF02466026zbMath0922.58004MaRDI QIDQ1392341

Boris Zalmanovich Shapiro

Publication date: 11 October 1998

Published in: Unnamed Author (Search for Journal in Brave)

zbMATH Keywords

normal formsWhitney umbrellacontact group preserving a cone

Mathematics Subject Classification ID

Theory of singularities and catastrophe theory (58K99) Differentiable maps on manifolds (58C25)

Cites Work

• On the Classification of Germs of Maps from R² to R³

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