ORBIFOLD CUP PRODUCTS AND RING STRUCTURES ON HOCHSCHILD COHOMOLOGIES

DOI10.1142/S0219199711004142zbMath1230.57023arXiv0706.0027OpenAlexW2963635964MaRDI QIDQ3082534

Markus J. Pflaum, Xiang Tang, Hsian-Hua Tseng, Hessel Posthuma

Publication date: 10 March 2011

Published in: Communications in Contemporary Mathematics (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/0706.0027

zbMATH Keywords

orbifoldgroupoid Hochschild cohomology Chen-Ruan product

Mathematics Subject Classification ID

(Co)homology of rings and associative algebras (e.g., Hochschild, cyclic, dihedral, etc.) (16E40) Cohomology of classifying spaces for pseudogroup structures (Spencer, Gelfand-Fuks, etc.) (58H10) Orbifold cohomology (55N32) Topology and geometry of orbifolds (57R18)

Related Items

On the algebraic index for Riemannian étale groupoids ⋮ Cyclic homology and group actions ⋮ Finite groups acting linearly: Hochschild cohomology and the cup product. ⋮ Duality theorems for étale gerbes on orbifolds ⋮ On the relative dual of an \(S^1\)-gerbe over an orbifold ⋮ Noncommutative Poisson structures on orbifolds ⋮ Cyclic cocycles on deformation quantizations and higher index theorems ⋮ The periodic cyclic homology of crossed products of finite type algebras ⋮ The Hochschild cohomology ring of a global quotient orbifold

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