群ホップ代数
Proceedings of the fourth week on algebra and algebraic geometry, SAGA-4, Antwerp and Brussels, Belgium, September 12–17, 1996. Lect. Notes Pure Appl. Math.. 197. New York, NY: Marcel Dekker. pp. 103-110. ISBN 0824701534. Zbl 0905.16017
↑ R. Akbarpour and M. Khalkhali (2003) Hopf Algebra Equivariant Cyclic Homology and Cyclic Homology of Crossed Product Algebras. arXiv:math/0011248v6 [math.KT]. J. reine angew. Math. 559 137–152.
↑ crossed product algebra in nLab
↑ crossed product C*-algebra in nLab
↑ Gracia-Bondia, J. et al. Elements of Noncommutative Geometry. Birkhäuser: Boston, 2001. ISBN 0-8176-4124-6.