Cyclic Homology and Quantum Orbits

A natural isomorphism between the cyclic object computing the relative cyclic homology of a homogeneous quotient-coalgebra-Galois extension, and the cyclic object computing the cyclic homology of a Galois coalgebra with SAYD coefficients is presented. The isomorphism can be viewed as the cyclic-homo...

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Published in:Symmetry, Integrability and Geometry: Methods and Applications
Date:2015
Main Authors: Maszczyk, T., Sütlü, S.
Format: Article
Language:English
Published: Інститут математики НАН України 2015
Online Access:https://nasplib.isofts.kiev.ua/handle/123456789/147108
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Journal Title:Digital Library of Periodicals of National Academy of Sciences of Ukraine
Cite this:Cyclic Homology and Quantum Orbits / T. Maszczyk, S. Sütlü // Symmetry, Integrability and Geometry: Methods and Applications. — 2015. — Т. 11. — Бібліогр.: 40 назв. — англ.

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Digital Library of Periodicals of National Academy of Sciences of Ukraine
id nasplib_isofts_kiev_ua-123456789-147108
record_format dspace
spelling Maszczyk, T.
Sütlü, S.
2019-02-13T16:47:03Z
2019-02-13T16:47:03Z
2015
Cyclic Homology and Quantum Orbits / T. Maszczyk, S. Sütlü // Symmetry, Integrability and Geometry: Methods and Applications. — 2015. — Т. 11. — Бібліогр.: 40 назв. — англ.
1815-0659
2010 Mathematics Subject Classification: 19D55; 57T15; 06A15; 46A20
DOI:10.3842/SIGMA.2015.041
https://nasplib.isofts.kiev.ua/handle/123456789/147108
A natural isomorphism between the cyclic object computing the relative cyclic homology of a homogeneous quotient-coalgebra-Galois extension, and the cyclic object computing the cyclic homology of a Galois coalgebra with SAYD coefficients is presented. The isomorphism can be viewed as the cyclic-homological counterpart of the Takeuchi-Galois correspondence between the left coideal subalgebras and the quotient right module coalgebras of a Hopf algebra. A spectral sequence generalizing the classical computation of Hochschild homology of a Hopf algebra to the case of arbitrary homogeneous quotient-coalgebra-Galois extensions is constructed. A Pontryagin type self-duality of the Takeuchi-Galois correspondence is combined with the cyclic duality of Connes in order to obtain dual results on the invariant cyclic homology, with SAYD coefficients, of algebras of invariants in homogeneous quotient-coalgebra-Galois extensions. The relation of this dual result with the Chern character, Frobenius reciprocity, and inertia phenomena in the local Langlands program, the Chen-Ruan-Brylinski-Nistor orbifold cohomology and the Clifford theory is discussed.
The authors would like to thank the anonymous referees for their constructive comments improving the paper. The paper was partially supported by the NCN grant 2011/01/B/ST1/06474. S. Sutlu would like to thank his former PhD advisor B. Rangipour for drawing his attention to the homology of the coalgebra-Galois extensions, Institut des Hautes Etudes Scientifiques (IHES) ´ for the hospitality provided during part of this work, and finally the organizers of the conference “From Poisson Brackets to Universal Quantum Symmetries”, held at IMPAN, Warsaw, for the stimulating environment provided.
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Інститут математики НАН України
Symmetry, Integrability and Geometry: Methods and Applications
Cyclic Homology and Quantum Orbits
Article
published earlier
institution Digital Library of Periodicals of National Academy of Sciences of Ukraine
collection DSpace DC
title Cyclic Homology and Quantum Orbits
spellingShingle Cyclic Homology and Quantum Orbits
Maszczyk, T.
Sütlü, S.
title_short Cyclic Homology and Quantum Orbits
title_full Cyclic Homology and Quantum Orbits
title_fullStr Cyclic Homology and Quantum Orbits
title_full_unstemmed Cyclic Homology and Quantum Orbits
title_sort cyclic homology and quantum orbits
author Maszczyk, T.
Sütlü, S.
author_facet Maszczyk, T.
Sütlü, S.
publishDate 2015
language English
container_title Symmetry, Integrability and Geometry: Methods and Applications
publisher Інститут математики НАН України
format Article
description A natural isomorphism between the cyclic object computing the relative cyclic homology of a homogeneous quotient-coalgebra-Galois extension, and the cyclic object computing the cyclic homology of a Galois coalgebra with SAYD coefficients is presented. The isomorphism can be viewed as the cyclic-homological counterpart of the Takeuchi-Galois correspondence between the left coideal subalgebras and the quotient right module coalgebras of a Hopf algebra. A spectral sequence generalizing the classical computation of Hochschild homology of a Hopf algebra to the case of arbitrary homogeneous quotient-coalgebra-Galois extensions is constructed. A Pontryagin type self-duality of the Takeuchi-Galois correspondence is combined with the cyclic duality of Connes in order to obtain dual results on the invariant cyclic homology, with SAYD coefficients, of algebras of invariants in homogeneous quotient-coalgebra-Galois extensions. The relation of this dual result with the Chern character, Frobenius reciprocity, and inertia phenomena in the local Langlands program, the Chen-Ruan-Brylinski-Nistor orbifold cohomology and the Clifford theory is discussed.
issn 1815-0659
url https://nasplib.isofts.kiev.ua/handle/123456789/147108
citation_txt Cyclic Homology and Quantum Orbits / T. Maszczyk, S. Sütlü // Symmetry, Integrability and Geometry: Methods and Applications. — 2015. — Т. 11. — Бібліогр.: 40 назв. — англ.
work_keys_str_mv AT maszczykt cyclichomologyandquantumorbits
AT sutlus cyclichomologyandquantumorbits
first_indexed 2025-12-07T19:09:28Z
last_indexed 2025-12-07T19:09:28Z
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