Title Hopf algebras and congruence subgroups / Yorck Sommerhäuser, Yongchang Zhu

Published Providence, R.I. : American Mathematical Society, ©2011

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Description 1 online resource (v, 134 pages) : illustrations Series Memoirs of the American Mathematical Society, 0065-9266 ; number 1028 Memoirs of the American Mathematical Society ; no. 1028. Contents The Modular Group -- Quasitriangular Hopf Algebras -- The Action of the Modular Group -- The Semisimple Case -- The Case of the Drinfel'd Double -- Induced Modules -- Equivariant Frobenius-Schur Indicators -- Two Congruence Subgroup Theorems -- The Action of the Galois Group -- Galois Groups and Indicators -- Galois Groups and Congruence Subgroups Notes "September 2012, volume 219, number 1028 (first of 5 numbers)." Bibliography Includes bibliographical references and index Notes Print version record Subject Hopf algebras. Modular groups. MATHEMATICS -- Algebra -- Intermediate. Hopf algebras Modular groups Form Electronic book Author Zhu, Yongchang. ISBN 9780821891087 0821891081

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