Treffer: Algebraic deformations arising from orbifolds with discrete torsion: Algebraic deformations arising from orbifolds with discrete torsion.
Title:
Algebraic deformations arising from orbifolds with discrete torsion: Algebraic deformations arising from orbifolds with discrete torsion.
Authors:
Source:
Journal of Pure and Applied Algebra. 187:51-70
Publication Status:
Preprint
Publisher Information:
Elsevier BV, 2004.
Publication Year:
2004
Subject Terms:
High Energy Physics - Theory, Calabi-Yau threefolds, FOS: Physical sciences, Koszul complexes, Twisted and skew group rings, crossed products, Calabi-Yau manifolds (algebro-geometric aspects), chiral numbers, 01 natural sciences, Hochschild cohomology, Hodge numbers, 0103 physical sciences, deformations of associative rings and algebras, FOS: Mathematics, 0101 mathematics, cyclic cohomology, Quantum groups and related algebraic methods applied to problems in quantum theory, crossed products, Algebra and Number Theory, K-Theory and Homology (math.KT), universal deformation formulas, Mathematics - Rings and Algebras, High Energy Physics - Theory (hep-th), Rings and Algebras (math.RA), (Co)homology of rings and associative algebras (e.g., Hochschild, cyclic, dihedral, etc.), Deformations of associative rings, 16E40 (primary) 16S40, 81T30, 81T75, Mathematics - K-Theory and Homology, orbifolds, singularities
Document Type:
Fachzeitschrift
Article
File Description:
application/xml
Language:
English
ISSN:
0022-4049
DOI:
10.1016/j.jpaa.2003.10.004
DOI:
10.48550/arxiv.math/0210027
Access URL:
http://arxiv.org/abs/math/0210027
https://www.sciencedirect.com/science/article/pii/S0022404903002044
https://www.arxiv-vanity.com/papers/math/0210027/
https://core.ac.uk/display/82639069
https://dialnet.unirioja.es/servlet/articulo?codigo=773795
http://ui.adsabs.harvard.edu/abs/2002math.....10027C/abstract
https://arxiv.org/pdf/math/0210027
https://www.sciencedirect.com/science/article/pii/S0022404903002044
https://www.arxiv-vanity.com/papers/math/0210027/
https://core.ac.uk/display/82639069
https://dialnet.unirioja.es/servlet/articulo?codigo=773795
http://ui.adsabs.harvard.edu/abs/2002math.....10027C/abstract
https://arxiv.org/pdf/math/0210027
Rights:
Elsevier Non-Commercial
arXiv Non-Exclusive Distribution
arXiv Non-Exclusive Distribution
Accession Number:
edsair.doi.dedup.....b697f41eeb64399ac49564ce19c55ce7
Database:
OpenAIRE
Weitere Informationen
We develop methods for computing Hochschild cohomology groups and deformations of crossed product rings. We use these methods to find deformations of a ring associated to a particular orbifold with discrete torsion, and give a presentation of the center of the resulting deformed ring. This connects with earlier calculations by Vafa and Witten of chiral numbers and deformations of a similar orbifold.
19 pages, LaTeX2e; final version to appear in JPAA