Results 91 to 100 of about 1,348 (187)

On Cohomology Theories [PDF]

open access: yesProceedings of the National Academy of Sciences, 1952
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Cohomology Theories

open access: yesThe Annals of Mathematics, 1962
Caption title. ; Mode of access: Internet.
openaire   +1 more source

Quantum cohomology from mixed Higgs-Coulomb phases

open access: yesJournal of High Energy Physics
We generalize Coulomb-branch-based gauged linear sigma model (GLSM)–computations of quantum cohomology rings of Fano spaces. Typically such computations have focused on GLSMs without superpotential, for which the low energy limit of the GLSM is a pure ...
Wei Gu, Ilarion V. Melnikov, Eric Sharpe
doaj   +1 more source

Abelian Extensions of Modified λ-Differential Left-Symmetric Algebras and Crossed Modules

open access: yesAxioms
In this paper, we define a cohomology theory of a modified λ-differential left-symmetric algebra. Moreover, we introduce the notion of modified λ-differential left-symmetric 2-algebras, which is the categorization of a modified λ-differential left ...
Fuyang Zhu, Taijie You, Wen Teng
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A note on cohomology and algebraic geometric codes on the curves over rings

open access: yesAnnals of the West University of Timisoara: Mathematics and Computer Science
Let A be a local Artinian ring with residue field k(A). Let X be a curve over A and let be X′ = X ×spec A spec k(A) the fiber of X over k(A). Consider ℒ an invertible sheaf on X and ℒ ′ = ϕ*ℒ ∈ Pic(X′), where ϕ : X′ → X is the natural map.
Nyamda Francis, Mouaha Christophe
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