excision isomorphism

excision isomorphism
мат. изоморфизм вырезания

Большой англо-русский и русско-английский словарь. 2001.

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  • Excision theorem — In algebraic topology, a branch of mathematics, the Excision Theorem is a useful theorem about relative homology mdash;given topological spaces X and subspaces A and U such that U is also a subspace of A , the theorem says that under certain… …   Wikipedia

  • Mayer–Vietoris sequence — In mathematics, particularly algebraic topology and homology theory, the Mayer–Vietoris sequence is an algebraic tool to help compute algebraic invariants of topological spaces, known as their homology and cohomology groups. The result is due to… …   Wikipedia

  • Hurewicz theorem — In mathematics, the Hurewicz theorem is a basic result of algebraic topology, connecting homotopy theory with homology theory via a map known as the Hurewicz homomorphism. The theorem is named after Witold Hurewicz, and generalizes earlier… …   Wikipedia

  • Singular homology — In algebraic topology, a branch of mathematics, singular homology refers to the study of a certain set of topological invariants of a topological space X , the so called homology groups H n(X). Singular homology is a particular example of a… …   Wikipedia

  • Mapping cone — In mathematics, especially homotopy theory, the mapping cone is a construction Cf of topology, analogous to a quotient space. It is also called the homotopy cofiber, and also notated Cf. Contents 1 Definition 1.1 Example of circle …   Wikipedia

  • Eilenberg-Steenrod axioms — In mathematics, specifically in algebraic topology, the Eilenberg Steenrod axioms are properties that homology theories of topological spaces have in common. The quintessential example of a homology theory satisfying the axioms is singular… …   Wikipedia

  • Eilenberg–Steenrod axioms — In mathematics, specifically in algebraic topology, the Eilenberg–Steenrod axioms are properties that homology theories of topological spaces have in common. The quintessential example of a homology theory satisfying the axioms is singular… …   Wikipedia


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