(1) The ring of equivariant vector bundles on finite sets, J. Algebra 175 (1995), 274-286.
(2) The representation ring of the quantum double of a finite group, J. Algebra 179 (1996), 305-329.
(3) The representation ring of the twisted quantum double of a finite group, Canad. J. Math. 48 (1996), 1324-1338.
(4) Irreducible representations of crossed products (with Susan Montgomery), J. Pure Appl. Algebra 129 (1998), 315-326.
(5) The Hochschild cohomology ring of a group algebra (with Stephen F. Siegel), Proc. London Math. Soc. 79 (1999), 131-157.
(6) The representation ring and the centre of a Hopf algebra, Canad. J. Math. 51 (1999), 881-896.
(7) Clifford correspondence for finite-dimensional Hopf algebras, J. Algebra 218 (1999), 608-620.
(8) A module-theoretic approach to Clifford theory for blocks, Proc. Amer. Math. Soc. 128 (2000), 661-670.
(9) The Hochschild cohomology ring of a cyclic block (with Stephen F. Siegel), Proc. Amer. Math. Soc. 128 (2000), 1263-1268.
(10) A Hopf structure for down-up algebras (with Georgia Benkart), Math. Z. 238 (2001), 523-553.
(11) Clifford correspondence for algebras, J. Algebra 256 (2002), 518-530.
(12) Hochschild cohomology and Linckelmann cohomology for blocks of finite groups (with Jonathan Pakianathan), J. Pure Appl. Algebra 178 (2003), 87-100.
(13) Algebraic deformations arising from orbifolds with discrete torsion (with A. Caldararu and A. Giaquinto), J. Pure Appl. Algebra 187 (2004), no. 1-3, 51-70.
(14) Representations of two-parameter quantum groups and Schur-Weyl duality (with G. Benkart), Hopf algebras, 65-92, Lecture Notes in Pure and Appl. Math., 237, Dekker, New York, 2004.
(15) Restricted two-parameter quantum groups (with G. Benkart), Representations of finite dimensional algebras and related topics in Lie theory and geometry, 293-318, Fields Inst. Commun. 40 , Amer. Math. Soc., Providence, RI, 2004.
(16) Products in Hochschild cohomology and Grothendieck rings of group crossed products, Adv. Math. 185 (2004), no. 1, 136-158.
(17) Two-parameter quantum groups and Drinfel'd doubles (with G. Benkart), Algebras and Representation Theory 7 (2004), 261-286.
(18) Quillen stratification for Hochschild cohomology of blocks (with J. Pakianathan and an appendix by S. F. Siegel), Trans. Amer. Math. Soc. 358 (2006), no. 7, 2897-2916.
(19) Skew derivations and deformations of a family of group crossed products, Comm. Algebra 34 (2006), no. 11, 4187-4206.
(20) Quantum group actions, twisting elements, and deformations of algebras (with G. Benkart), J. Pure Appl. Algebra 208 (2007), 371-389.
(21) Twisted graded Hecke algebras, J. Algebra 317 (2007), 30-42.
(22) Hochschild cohomology of smash products and rank one Hopf algebras (with Sebastian Burciu), Biblioteca de la Revista Matematica Iberoamericana Actas del "XVI Coloquio Latinoamericano de Algebra," (Colonia, Uruguay, 2005) , 2007, 153-170.
(23) Braid group representations from twisted quantum doubles of finite groups (with P. Etingof and E. Rowell), Pacific J. Math. 234 (2008), no. 1, 33-41.
(24) Hochschild cohomology and graded Hecke algebras (with Anne V. Shepler), Trans. Amer. Math. Soc. 360 (2008), no. 8, 3975-4005.
(25) Bialgebra cohomology, pointed Hopf algebras, and deformations (with Mitja Mastnak), J. Pure Appl. Algebra 213 (2009), 1399-1417.
(26)
Fusion subcategories of representation categories of twisted
quantum doubles of finite groups (with Deepak Naidu and
Dmitri Nikshych), Int. Math. Res. Not. (2009), no. 22, 4183-4219.