"GK-dimension of birationally commutative surfaces", preprint, available at arXiv (0707.3643), submitted. dvi , pdf
(with J. T. Stafford), "Naive noncommutative blowups at zero-dimensional schemes", preprint, available at arxiv (math/0612658), to appear in Journal of Algebra.
(with J.T. Stafford), "Naive noncommutative blowups at zero-dimensional schemes: An Appendix". This is a brief (unpublished) appendix to the preceding paper containing full proofs of a few of the more peripheral results. dvi , pdf
(with J. T. Stafford), "A Class of Noncommutative Projective Surfaces", preprint, available at arxiv (math/0612657), submitted. dvi , pdf
(with J. J. Zhang), "Canonical Maps to Twisted Rings'', to appear in Math. Z., available at arxiv (math/0409405).
(with Z. Reichstein and J. J. Zhang), "Projectively Simple Rings'', Adv. Math, 203 (2006), no. 2, 365-407. Also available at arxiv (math/0401098).
(with D.S. Keeler and J. T. Stafford), "Naive Noncommutative Blowing up'', Duke Math J. 126 (2005), no. 3, 491-546. Also available at arxiv, (math/0306244).
"Idealizer Rings and Noncommutative Projective Geometry,'' J. Algebra 279 (2004), no. 2, 791-809. Also available at arxiv (math/0305002).
"Generic Noncommutative Surfaces,'' Adv. Math 184 (2004), no.2, 289-341. Also available at arxiv (math/0203180).
"Examples of Generic Noncommutative Surfaces", University of Michigan PhD thesis. This contains more background and some extra results not included in the paper "Generic Noncommutative Surfaces" above. dvi , pdf