Scientiae Mathematicae Japonicae (SCMJ) 61. No.3 (2005), 547-565.
Generalized Inflations and
Null Extensions" (with S. L. Wismath), Discussiones Mathematicae General Algebra and Applications 24 (2004), no. 2, 225-249.
Height one prime ideals in semigroup algebras satisfying a polynomial identity"
(with E. Jespers),
Journal
of Algebra 248 (2002), no. 1, 118-131.
Noetherian
unique factorization semigroup algebras" (with E.
Jespers), Communications in Algebra
29 (2001), no. 12, 5701-5715.
Hereditary semigroup algebras" (with E. Jespers), Journal of Algebra 233 (2000),
no. 1, 409--424. (Correction by the editor) and Journal of Algebra
229 (2000), 532--546.
· Ph. D. Thesis. Hereditary Semigroup Rings and Maximal Orders.