topology, singular homology refers to the study of a certain set of algebraic invariants of a topological space X, the so-called homology groups H n...
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Borel–Moore homology Cellular homology Cyclic homology Hochschild homology Floer homology Intersection homology K-homology Khovanov homology Morse homology Persistent...
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relating the homology of two objects to the homology of their product. The classical statement of the Künneth theorem relates the singular homology of two topological...
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Chain complex (section Singular homology)
restrict to the boundary of the simplex. The homology of this chain complex is called the singular homology of X, and is a commonly used invariant of a...
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Hawaiian earring (section First singular homology)
abelianisation of G , {\displaystyle G,} and therefore the first singular homology group H 1 ( H ) {\displaystyle H_{1}(\mathbb {H} )} is isomorphic...
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Cohomology (redirect from Extraordinary homology theory)
{\partial _{i}}{\to }}\ C_{i-1}\to \cdots } By definition, the singular homology of X is the homology of this chain complex (the kernel of one homomorphism modulo...
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(singular) homology of a topological space relative to a subspace is a construction in singular homology, for pairs of spaces. The relative homology is...
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De Rham theorem (section Singular-homology version)
due to André Weil. There is also a version of the theorem involving singular homology instead of cohomology. It says the pairing ( ω , σ ) ↦ ∫ σ ω {\displaystyle...
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Mayer–Vietoris sequence (category Homology theory)
sequence holds for a variety of cohomology and homology theories, including simplicial homology and singular cohomology. In general, the sequence holds for...
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Carpenter Singular: Act II, a 2019 studio album by Sabrina Carpenter Singular homology SINGULAR, an open source Computer Algebra System (CAS) Singular matrix...
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of mathematics, intersection homology is an analogue of singular homology especially well-suited for the study of singular spaces, discovered by Mark Goresky...
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In algebraic topology, simplicial homology is the sequence of homology groups of a simplicial complex. It formalizes the idea of the number of holes of...
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isomorphic to singular homology. Morse homology also serves as a model for the various infinite-dimensional generalizations known as Floer homology theories...
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mathematics, cellular homology in algebraic topology is a homology theory for the category of CW-complexes. It agrees with singular homology, and can provide...
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1960. For reasonable compact spaces, Borel−Moore homology coincides with the usual singular homology. For non-compact spaces, each theory has its own...
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and Voevodsky (1996). It is sometimes called singular homology as it is analogous to the singular homology of topological spaces. By definition, given...
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its homology groups with coefficients in A, for any abelian group A: Hi(X; A) Here Hi might be the simplicial homology, or more generally the singular homology...
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Barycentric subdivision (category Simplicial homology)
isomorphism: Subdivision does not change the homology of the complex. To compute the singular homology groups of a topological space X {\displaystyle...
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The symplectic Floer homology of a Hamiltonian symplectomorphism of a compact manifold is isomorphic to the singular homology of the underlying manifold...
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Homological algebra (redirect from Long exact sequence in homology)
A. In the case of topological spaces, we arrive at the notion of singular homology, which plays a fundamental role in investigating the properties of...
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Excision theorem (category Homology theory)
{\displaystyle (X,A)} are isomorphic. This assists in computation of singular homology groups, as sometimes after excising an appropriately chosen subspace...
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Algebraic topology (section Homology)
approach to basic algebraic topology, without needing a basis in singular homology, or the method of simplicial approximation. It contains a lot of material...
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Shape theory associates with the Čech homology theory while homotopy theory associates with the singular homology theory. Shape theory was invented and...
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Eilenberg–MacLane spaces. On simplicial complexes, these theories coincide with singular homology and cohomology. Spectrum: H (Eilenberg–MacLane spectrum of the integers...
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space, we can define the nth Betti number bn as the rank of the n-th singular homology group. The Euler characteristic can then be defined as the alternating...
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Orientability (section Orientability and homology)
can choose an orientation on the tangent space at a point or we use singular homology to define orientation. Then for every open, oriented subset of M we...
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then a consequence of the fact that over the reals, singular cohomology is the dual of singular homology. Separately, a 1927 paper of Solomon Lefschetz used...
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Euler characteristic Genus Riemann–Hurwitz formula Singular homology Cellular homology Relative homology Mayer–Vietoris sequence Excision theorem Universal...
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reduced homology is a minor modification made to homology theory in algebraic topology, motivated by the intuition that all of the homology groups of...
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Morse theory (section Morse homology)
resulting homology is an invariant of the manifold (that is, independent of the function and metric) and isomorphic to the singular homology of the manifold;...
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