참고문헌
- P. Carrasco and A. R. Garzon, Obstruction theory for extensions of categorical groups, Appl. Categ. Structures 12 (2004), no. 1, 35-61. https://doi.org/10.1023/B:APCS.0000013810.93405.c8
- A. Frohlich and C. T. C. Wall, Graded monoidal categories, Compos. Math. 28 (1974), 229-285.
- A. R. Garzon and A. del Rio, Equivariant extensions of categorical groups, Appl. Categ. Structures 13 (2005), no. 2, 131-140. https://doi.org/10.1007/s10485-005-4383-1
- A. Grothendieck, Categories fibrees et descente, (SGA1) Expose VI, Lecture Notes in Mathematics 224, 145-194, Springer-Verlag, Berlin, 1971.
- A. Joyal and R. Street, Braided tensor categories, Adv. Math. 102 (1993), no. 1, 20-78. https://doi.org/10.1006/aima.1993.1055
- C. Kassel, Quantum Groups, Graduate texts in mathematics, Vol 155, Springer-Verlag, Berlin/New York, 1995.
- M. L. Laplaza, Coherence for distributivity, Coherence in categories, pp. 29-65. Lecture Notes in Math., Vol. 281, Springer, Berlin, 1972. https://doi.org/10.1007/BFb0059555
- S. Majid, Representations, duals and quantum doubles of monoidal categories, Rend. Circ. Mat. Palermo (2) Suppl. No. 26 (1991), 197-206. https://doi.org/10.1007/BF03018096
- S. Majid, Braided groups and duals of monoidal categories, Category theory 1991 (Montreal, PQ, 1991), 329-343, CMS Conf. Proc., 13, Amer. Math. Soc., Providence, RI, 1992.
- C. T. K. Phung, N. T. Quang, and N. T. Thuy, Relation between Ann-categories and ring categories, Commun. Korean Math. Soc. 25 (2010), no 4, 523-535. https://doi.org/10.4134/CKMS.2010.25.4.523
- N. T. Quang, Introduction to Ann-categories, Vietnam J. Math. 15 (1987), no. 4, 14-24.
- N. T. Quang, Structure of Ann-categories of Type (R, N), Vietnam J. Math. 32 (2004), no. 4, 379-388.
- N. T. Quang and D. D. Hanh, On the braiding of an Ann-category, Asian-Eur. J. Math. 3 (2010), no. 4, 647-666. https://doi.org/10.1142/S1793557110000507
- N. T. Quang and D. D. Hanh, Cohomological classification of Ann-functors, East-West J. Math. 11 (2009), no. 2, 195-210.