REFERENCES
- Caenepeel , S. , Van Oystaeyen , F. and Zhang , Y. H. 1994 . Quantum Yang-Baxter Module Algebras . K-theory , 8 ( 3 ) : 231 – 255 .
- Caenepeel , S. , Van Oystaeyen , F. and Zhang , Y. H. 1997 . The Brauer Group of Yetter-Drinfel'd Module Algebras . Trans. Amer. Math. Soc. , 349 ( 9 ) : 3737 – 3771 .
- Doi , Y. 1989 . Equivalent Crossed-Products for a Hopf Algebra . Comm. Algebra , 14 : 3053 – 3085 .
- Doi , Y. 1993 . Braided Bialgebras and Quadratic Bialgebras . Comm. Algebra , 21 ( 5 ) : 1731 – 1749 .
- Doi , Y. and Takeuchi , M. 1994 . Multiplication Alteration by 2-cocycles – The Quantum Version . Comm. Algebra , 22 ( 14 ) : 5715 – 5732 .
- Drinfel'd , V. G. Quantum Groups . International Congress of Mathematics . 1986 , Berkeley. Edited by: Gleason , A. pp. 798 – 820 . Providence, RI : Amer. Math. Soc. .
- Drinfel'd , V. G. 1991 . On Quasitriangular Quasi Hopf Algebras and a Group Closely Connected to . Leningrad Math. J. , 2 : 829 – 860 .
- Etingof , P. and Gelaki , S. 1999 . On the Exponent of Finite-Dimensional Hopf Algebras . Math. Res. Lett. , 6 ( 2 ) : 131 – 140 .
- Kassel , C. 1995 . Quantum Groups Springer-Verlag . GTM 155,
- Lambe , L. A. and Radford , D. E. 1997 . Introduction to the Quantum Yang-Baxter Equation and Quantum Groups: An Algebraic Approach Kluwer Academic Publishers .
- Long , R. 1974 . The Brauer Group of Dimodule Algebras . J. Algebra , 30 : 559 – 601 .
- Majid , S. 1991 . Doubles of Quasitriangular Hopf Algebras . Comm. Algebra , 19 : 3061 – 3073 .
- Majid , S. 1994 . “ Cross Product Quantisation, Nonabelian Cohomology and Twisting of Hopf Algebras ” . In Generalized symmetries in Physics 13 – 41 . NJ : World Sci. Publishing: River Edge . Clausthal, 1993;
- Majid , S. 1995 . Foundations of Quantum Group Theory Cambridge University Press .
- Masuoka , A. 1994 . Cleft Extensions for a Hopf Algebra Generated by a Nearly Primitive Element . Comm. Algebra , 22 : 4537 – 4559 .
- Montgomery , S. 1993 . Hopf Algebras and their Actions on Rings. CBMS 28 . Amer. Math. Soc. ,
- Pareigis , B. 1976 . “ Non-additive Ring and Module Theory IV – The Brauer Group of a Symmetric Monoidal Category ” . In Brauer Groups Edited by: Zelinski , D. 112 – 133 . Springer-Verlag . LNM, 549;
- Radford , D. E. 1993 . Minimal Quasitriangular Hopf Algebras . J. Algebra , 157 ( 2 ) : 285 – 315 .
- Tilborghs , F. 1990 . An Anti-Homomorphism for the Brauer-Long Group . Math. J. Okayama Univ. , 32 : 43 – 52 .
- Van Oystaeyen , F and Zhang , Y. H. 1998 . The Brauer Group of a Braided Monoidal Category . J. of Algebra , 202 : 96 – 128 .
- Van Oystaeyen , F. and Zhang , Y. H. in press . The Brauer Group of Sweedler's Hopf Algebra H 4 . Proc. Amer. Math. Soc. ,
- Wall , C. T.C. 1964 . Graded Brauer Groups . J. Reine Angew. Math. , 213 : 187 – 199 .