papers

11. Free resolutions over short local rings (with L. Avramov and S. Iyengar),
    [Preprint: dvi]

10. On a class of coherent regular rings (with C. Rotthaus),
    Proceedings of the American Mathematical Society 135 (2007), 1631-1640. [Preprint: pdf, dvi]

9. Independence of the total reflexivity conditions for modules (with D. Jorgensen),
    Algebras and Representation Theory 9 (2006), 217-226 [Preprint: pdf, dvi]

8. Open loci of graded modules (with C. Rotthaus),
    Transactions of the American Mathematical Society 358 (2006), 4959-4980. [Preprint: pdf, dvi]

7. Asymmetric complete resolutions and vanishing of Ext over Gorenstein rings (with D. Jorgensen),
    International Mathematics Research Notices 56 (2005) 3459-3477[Preprint: pdf, dvi]

6. Some properties of graded local cohomology modules (with C. Rotthaus),
    Journal of Algebra 283 (2005), 232-247. [Preprint: pdf, dvi]

5. Extensions of a dualizing complex by its ring: Commutative versions of a conjecture of Tachikawa
    (with L.L.Avramov and R.-O.Buchweitz)
    Journal of Pure and Applied Algebra 201 (2005), 218-239 [Preprint: pdf, dvi]

4. Nonvanishing cohomology and classes of Gorenstein rings (with D.Jorgensen),
    Advances in Mathematics 188 (2004), 470-490 [Preprint: pdf, dvi]

3. Vanishing of Ext and Tor over some Cohen-Macaulay local rings (with C.Huneke and A.Vraciu),
    Illinois Journal of Mathematics 48 (2004), 295-317. [Preprint: pdf, dvi]

2. Vanishing of cohomology over Gorenstein rings of small codimension,
    Proceedings of the American Mathematical Society 131 (2003), 2313-2323. [Preprint: pdf, dvi]

1. Homological properties of powers of the maximal ideal of a local ring ,
    Journal of Algebra 241 (2001), 827-858. [Preprint: pdf, dvi]