Results 221 to 230 of about 138,760 (231)

Satellites and cohomology

Journal of Algebra, 1969
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Topological protection of optical skyrmions through complex media. [PDF]

Light Sci Appl
Wang AA, Zhao Z, Ma Y, Cai Y, Zhang R, Shang X, Zhang Y, Qin J, Pong ZK, Marozsák T, Chen B, He H, Luo L, Booth MJ, Elston SJ, Morris SM, He C.   +16 more
europepmc   +1 more source

Splitting unramified Brauer classes by abelian torsors and the period-index problem. [PDF]

Math Ann
Huybrechts D, Mattei D.
europepmc   +1 more source

Improved Statistics for F-theory Standard Models. [PDF]

Commun Math Phys
Bies M, Cvetič M, Donagi R, Ong M.
europepmc   +1 more source

Stability of Homomorphisms, Coverings and Cocycles I: Equivalence

Chapman M, Lubotzky A.
europepmc   +1 more source

Uncovering 2-D toroidal representations in grid cell ensemble activity during 1-D behavior. [PDF]

Nat Commun
Hermansen E, Klindt DA, Dunn BA.
europepmc   +1 more source

Arithmetic fundamental lemma for the spherical Hecke algebra. [PDF]

Manuscr Math
Li C, Rapoport M, Zhang W.
europepmc   +1 more source

Tropical Refined Curve Counting with Descendants. [PDF]

Commun Math Phys
Kennedy-Hunt P, Shafi Q, Urundolil Kumaran A.   +2 more
europepmc   +1 more source

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Relative Cohomology and Generalized Tate Cohomology

Algebras and Representation Theory, 2017
We compare relative cohomology theories arising from using different proper resolutions of modules. Criteria for the vanishing of such distinctions are given in certain cases, and we show that this is related to the generalized Tate cohomology theory. We also demonstrate that the two balance properties admitted by the two different cohomology theories ...
Bin Yu, Xiaosheng Zhu, Yanbo Zhou
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Homology. Cohomology. de Rham Cohomology

1997
In mathematics one often encounters the following situation. Let a sequence of abelian groups (modules) ... be given $$ \{ {C^n},n \in \mathbb{Z}\} $$ (1*) together with homomorphisms d n : C n → C n+1 (called differentials or coboundary homomorphisms) for whose $$ {d_{n + 1}}{d_n} = 0 (zero group) for all n. $$ (2*)
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