Equivariant unfoldings of G-stratified pseudomanifolds.
F. Dalmagro (2004)
Extracta Mathematicae
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F. Dalmagro (2004)
Extracta Mathematicae
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Yoshimi Shitanda, Oda Nobuyuki (1989)
Manuscripta mathematica
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Dariusz Wilczyński (1984)
Fundamenta Mathematicae
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Richard Alien (1979)
Fundamenta Mathematicae
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E. N. Dancer, K. Gęba, S. M. Rybicki (2005)
Fundamenta Mathematicae
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Let V be an orthogonal representation of a compact Lie group G and let S(V),D(V) be the unit sphere and disc of V, respectively. If F: V → ℝ is a G-invariant C¹-map then the G-equivariant gradient C⁰-map ∇F: V → V is said to be admissible provided that . We classify the homotopy classes of admissible G-equivariant gradient maps ∇F: (D(V),S(V)) → (V,V∖0).
Balanov, Z., Krawcewicz, W., Kushkuley, A. (1998)
Abstract and Applied Analysis
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Greenlees, J.P.C. (2001)
Homology, Homotopy and Applications
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Wolfgang Lück (1987)
Manuscripta mathematica
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Antonio Vidal (1988)
Publicacions Matemàtiques
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We work in the smooth category: manifolds and maps are meant to be smooth. Let G be a finite group acting on a connected closed manifold X and f an equivariant self-map on X with f|A fixpointfree, where A is a closed invariant submanifold of X with codim A ≥ 3. The purpose of this paper is to give a proof using obstruction theory of the following fact: If X is simply connected and the action of G on X - A is free, then f is equivariantly deformable rel. A to fixed...
Joanna Janczewska, Marcin Styborski (2007)
Banach Center Publications
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A special case of G-equivariant degree is defined, where G = ℤ₂, and the action is determined by an involution given by T(u,v) = (u,-v). The presented construction is self-contained. It is also shown that two T-equivariant gradient maps are T-homotopic iff they are gradient T-homotopic. This is an equivariant generalization of the result due to Parusiński.
Grzegorz Dylawerski, Kazimierz Gęba, Jerzy Jodel, Wacław Marzantowicz (1991)
Annales Polonici Mathematici
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Roland Schwänzl (1982)
Mathematische Zeitschrift
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Richard Allen (1980)
Fundamenta Mathematicae
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Mike Field (1975)
Publications mathématiques et informatique de Rennes
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