Definition of Cochains. Meaning of Cochains. Synonyms of Cochains

Here you will find one or more explanations in English for the word Cochains. Also in the bottom left of the page several parts of wikipedia pages related to the word Cochains and, of course, Cochains synonyms and on the right images related to the word Cochains.

Definition of Cochains

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Meaning of Cochains from wikipedia

- singular cochains is only graded-commutative up to chain homotopy. In fact, it is impossible to modify the definition of singular cochains with coefficients...
- homology and cohomology theory including chain and cochain complexes, the cup product H****ler Whitney: cochains as integrands The recent development of discrete...
- exact. A cochain complex is similar to a chain complex, except that its homomorphisms are in the opposite direction. The homology of a cochain complex...
- This is an abelian group; its elements are called the (inhomogeneous) n-cochains. The coboundary homomorphisms are defined by { d n + 1 : C n ( G , M )...
- {\displaystyle {\mathcal {F}}(|\sigma |)} , and we denote the set of all q-cochains of U {\displaystyle {\mathcal {U}}} with coefficients in F {\displaystyle...
- de Rham cohomology of the manifold. In algebraic topology, the singular cochains of a topological space form a DGA encoding the singular cohomology. Moreover...
- be a CW complex and C n ( X ) {\displaystyle C^{n}(X)} be the singular cochains with coboundary map d n : C n − 1 ( X ) → C n ( X ) {\displaystyle d^{n}:C^{n-1}(X)\to...
- of abelian groups defined from a cochain complex. That is, cohomology is defined as the abstract study of cochains, cocycles, and coboundaries. Cohomology...
- homology is an oriented link invariant that arises as the cohomology of a cochain complex. It may be regarded as a categorification of the Jones polynomial...
- po****r mathematics.) There is also a related notion of the cohomology of a cochain complex, giving rise to various cohomology theories, in addition to the...