(1) Hochschild cohomology and graded Hecke algebras (with Anne V. Shepler), to appear in Trans. Amer. Math. Soc.
(2) Hochschild cohomology of smash products and rank one Hopf algebras (with Sebastian Burciu), to appear in Actas del XVI Coloquio Latinoamericano de Algebra, Colonia del Sacramento, Uruguay, August 2005.
(3) Varieties for modules of quantum elementary abelian groups (with Julia Pevtsova), to appear in Algebras and Rep. Th.
(4) Bialgebra cohomology, pointed Hopf algebras, and deformations (with Mitja Mastnak), submitted.