• Rings whose zero-divisor graphs have positive genus, to appear in J. Algebra. 
  You may download a preprint of this paper in the following formats:  PDF.

• Classification of rings with genus one zero-divisor graphs, to appear in Comm. Algebra. 
  You may download a preprint of this paper in the following formats:  PDF.

• An elementary construction of codes from the groups of units of residue rings of polynomials, with Les Reid, IEEE Trans. Info.
  Theory, vol. 51, no. 1, pp. 419-420, Jan. 2005.

You may download a preprint of this paper in the following formats:  PDF.

• Decompositions of tableaus annihilated by zero-dimensional ideals, with David Fu and Mark Heiligman, J. Algebra, 267 no. 2 (2003), 404--420.

You may download a preprint of this paper in the following formats:  PDF.

• Constructible approximations of regular polygons, with Stefan Treatman, Amer. Math. Monthly, 107 no. 10 (2000), 911--922.

You may dowmload a preprint of this paper in the following formats:  PDF.

• A note on local duality, with Richard Belshoff, Bull. London Math. Soc., 29 no. 1 (1997), 25-31.

You may download a preprint of this paper in the following formats:  PDF.

• The local cohomology modules of Matlis reflexive modules are almost cofinite, with Richard Belshoff and Susan Slattery, Proc. Amer. Math. Soc. , 124 (1996), no. 9, 2649--2654.

• Finiteness properties for Matlis reflexive modules, with Richard Belshoff and Susan Slattery, Comm. Algebra, 24 (1996), no. 4, 1371--1376.

• Annihilation of homology of certain finite free complexes, Ph.D. thesis.

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