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008			140928s2011 riua ob 001 0 eng
020			_a9780821891087 (online)
040			_aDLC _cDLC _dDLC _dRPAM
050	0	0	_aQA613.8 _b.S66 2011
082	0	0	_a512/.55 _223
100	1		_aSommerh�auser, Yorck, _d1966-
245	1	0	_aHopf algebras and congruence subgroups / _h[electronic resource] _cYorck Sommerh�auser, Yongchang Zhu.
260			_aProvidence, R.I. : _bAmerican Mathematical Society, _cc2011.
300			_a1 online resource (v, 134 p. : ill.)
490	0		_aMemoirs of the American Mathematical Society, _x0065-9266 (print); _x1947-6221 (online); _vv. 1028
500			_a"September 2012 , volume 219, number 1028 (first of 5 numbers)."
504			_aIncludes bibliographical references and index.
505	0	0	_tIntroduction _tChapter 1. The modular group _tChapter 2. Quasitriangular Hopf algebras _tChapter 3. Factorizable Hopf algebras _tChapter 4. The action of the modular group _tChapter 5. The semisimple case _tChapter 6. The case of the Drinfel'd Double _tChapter 7. Induced modules _tChapter 8. Equivariant Frobenius-Schur indicators _tChapter 9. Two congruence subgroup theorems _tChapter 10. The action of the Galois group _tChapter 11. Galois groups and indicators _tChapter 12. Galois groups and congruence subgroups
506	1		_aAccess is restricted to licensed institutions
533			_aElectronic reproduction. _bProvidence, Rhode Island : _cAmerican Mathematical Society. _d2012
538			_aMode of access : World Wide Web
588			_aDescription based on print version record.
650		0	_aHopf algebras.
650		0	_aModular groups.
700	1		_aZhu, Yongchang.
776	0		_iPrint version: _aSommerh�auser, Yorck, 1966- _tHopf algebras and congruence subgroups / _w(DLC) 2012015550 _x0065-9266 _z9780821869130
786			_dAmerican mathematical Society
856	4		_3Contents _uhttp://www.ams.org/memo/1028
856	4		_3Contents _uhttp://dx.doi.org/10.1090/S0065-9266-2012-00649-6
942			_2EBK13481 _cEBK
999			_c42775 _d42775