Graduate students supervised

- Molly Fenn (PhD 2008), NC State.
- Garret Cahill (Masters 2008), Holyoke Community College.
- Jennifer Koonz (PhD 2013), Intersystems, Cambridge, MA.
- Ben Johnson (PhD 2017), Postdoctoral Fellow, Oklahoma State.

Papers

- Equations for some nilpotent varieties (with Ben Johnson), submitted, 2017.

- Irreducible local systems on nilpotent orbits, Vol 13, No. 3, Bulletin of the Institute of Mathematics Academia Sinica (New Series), 2018.

- Weyl group q-Kreweras numbers and cyclic sieving (with Vic Reiner)

accepted in Annals of Combinatorics, 2017. - Generic singularities of nilpotent orbit closures (with Baohua Fu, Daniel Juteau, and Paul Levy)

Advances in Mathematics 305, (2017), 1--77. - Appendix B in Representations of semisimple Lie algebras in prime characteristic and noncommutative Springer resolution by Roman Bezrukavnikov and Ivan Mirkovic (2013).

- Exterior powers of the reflection representation in Springer theory

Transformation Groups 16 (2011), no. 3, 889--911 (volume in honor of Tonny Springer). - Pieces of nilpotent cones for
classical groups (with Pramod Achar and Anthony Henderson)

Representation Theory 15 (2011), 584-616. - Cohomology of line bundles on the cotangent bundle of a Grassmannian

Proceedings of the AMS 137 (2009), no. 10, 3291--3296. -
Equivalence classes of B-stable ideals

Nagoya Journal of Mathematics, Vol. 183 (2006), 161--184 (volume in honor of George Lusztig). -
Exponents for B-stable ideals (with Julianna Tymoczko), version of June 2004.

Transactions of the AMS, 358, (2006), no. 8, 3493--3509. -
Normality of very even nilpotent varieties in D_2l ,
version of January 2004.

Bulletin London Math. Soc., 37, (2005), no. 3, 351--360. -
B-stable ideals in the nilradical of
a Borel subalgebra, version of October 2003.

Canadian Math Bulletin, 48, (2005), no. 3, 460--472. -
A characterization of Dynkin elements
(with Paul Gunnells)

Math Research Letters 10, (2003), no. 2-3, 363--373. -
Normality of nilpotent varieties in E_6

Journal of Algebra, 270 (2003), no. 1, 288-306. -
Component groups of unipotent centralizers in good characteristic (with George McNinch)

Issue celebrating the 80th birthday of Robert Steinberg, J. Algebra, 260 (2003), no. 1, 323--337. -
Local systems on nilpotent orbits and weighted
Dynkin diagrams (with Pramod Achar)

Representation Theory, 6 (2002), 190--201. -
Lusztig's canonical quotient and generalized duality

Journal of Algebra, Vol. 243 (2001), 790-812. -
Conjectures for small representations of the exceptional groups

Comm. Math. Univ. Sancti Pauli, Vol. 49 (2000), No. 1, 101-104. -
A generalization of the Bala-Carter theorem

IMRN (1998), 539-562. -
The adjoint representation in rings of functions
(with Peter Trapa)

Electronic Journal of Representation Theory, Vol. 1 (1997), 182-189. -
A family of affine Weyl group representations

Transformation Groups, Vol. 2 (1997), No. 4, 375-390. -
The homology of the space of affine flags containing a nilpotent element

Proceedings of the American Mathematical Society, Vol. 125 (1997), No. 8, 2481-2484.