Universal topological stratification for the Pham example

DOI10.24033/bsmf.2205zbMath0784.32029OpenAlexW2285343771MaRDI QIDQ3136695

James Damon, Andre Galligo

Publication date: 20 October 1993

Published in: Bulletin de la Société mathématique de France (Search for Journal in Brave)

Full work available at URL: http://www.numdam.org/item?id=BSMF_1993__121_2_153_0

zbMATH Keywords

deformationsmoduli spaceversal unfoldingbimodal singularitiesversality discriminant

Mathematics Subject Classification ID

Stratifications; constructible sheaves; intersection cohomology (complex-analytic aspects) (32S60) Deformations of complex singularities; vanishing cycles (32S30) Theory of singularities and catastrophe theory (58K99) Differentiable maps on manifolds (58C25)

Related Items (3)

On the equi-normalizable deformations of singularities of complex plane curves ⋮ The versality discriminant and local topological equivalence of mappings ⋮ Topological stability through extremely tame retractions

Uses Software

• MACSYMA

Cites Work

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• The unfolding and determinacy theorems for subgroups of 𝒜 and 𝒦
• Topological triviality and versality for subgroups of 𝐴 and 𝐾
• Ensembles et morphismes stratifiés

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