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equivariant cohomology

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  • Equivariant cohomology — In mathematics, equivariant cohomology is a theory from algebraic topology which applies to spaces with a group action . It can be viewed as a common generalization of group cohomology and an ordinary cohomology theory. Specifically, given a… …   Wikipedia

  • Lie algebra cohomology — In mathematics, Lie algebra cohomology is a cohomology theory for Lie algebras. It was defined by Chevalley and Eilenberg (1948) in order to give an algebraic construction of the cohomology of the underlying topological spaces of compact Lie …   Wikipedia

  • Michael Atiyah — Sir Michael Atiyah Born 22 April 1929 (1929 04 22) (age 82) …   Wikipedia

  • Plus construction — In mathematics, the plus construction is a method for simplifying the fundamental group of a space without changing its homology and cohomology groups. It was introduced by Daniel Quillen. Given a perfect normal subgroup of the fundamental group… …   Wikipedia

  • Daniel Quillen — Born June 22, 1940(1940 06 22) Orange, New Jersey Died April 30, 2011(2011 04 30) (aged 7 …   Wikipedia

  • List of mathematics articles (E) — NOTOC E E₇ E (mathematical constant) E function E₈ lattice E₈ manifold E∞ operad E7½ E8 investigation tool Earley parser Early stopping Earnshaw s theorem Earth mover s distance East Journal on Approximations Eastern Arabic numerals Easton s… …   Wikipedia

  • Duistermaat–Heckman formula — In mathematics, the Duistermaat–Heckman formula, due to Duistermaat and Heckman (1982), states that the pushforward of the canonical (Liouville) measure on a symplectic manifold under the moment map is a piecewise polynomial measure.… …   Wikipedia

  • Cartan model — In mathematics, the Cartan model is a differential graded algebra that computes the equivariant cohomology of a space.References* Stefan Cordes, Gregory Moore, Sanjaye Ramgoolam, Lectures on 2D Yang Mills Theory, Equivariant Cohomology and… …   Wikipedia

  • Michèle Vergne — (* 29. August 1943 in L’Isle Adam, Val d´Oise) ist eine französische Mathematikerin, die sich mit Analysis und Darstellungstheorie beschäftigt. Michèle Vergne, ICM Madrid 2006 Inhaltsverzeichnis …   Deutsch Wikipedia

  • Universal bundle — In mathematics, the universal bundle in the theory of fiber bundles with structure group a given topological group G , is a specific bundle over a classifying space BG , such that every bundle with the given structure group G over M is a pullback …   Wikipedia

  • Espace des lacets — En mathématiques, l espace des lacets d un espace topologique pointé est l ensemble des applications continues d un segment dans cet espace, tel que l image des deux extrémités du segment coïncident avec le point de base. Muni de la topologie… …   Wikipédia en Français

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