My papers on arXiv: link.

• Secant dimensions of low-dimensional homogeneous varieties
  

  with Jan Draisma
  submitted

• Richardson elements for parabolic subgroups of classical groups in positive characteristic

• A geometric description of the $m$-cluster categories of type $D_n$

  with Robert Marsh. International Mathematics Research Notices 2007 2007: rnm011-19
  

• A class of gradings of simple Lie algebras

  with Nolan Wallach
  to appear in Cont. Math., AMS
  
  

• A geometric construction of $m$-cluster categories

  with Robert Marsh
  to appear in Transactions of the AMS
  
  

• Secant Dimensions of Minimal Orbits: Computations and Conjectures

  with Jan Draisma, Willem de Graaf
  to appear in Experiment. Math.
  
  

• Richardson elements and birationality questions

  in Enveloping algebras and geometric representation theory, Oberwolfach Rep. 2, 2005, no. 1, 723-777
  
  

• Periodicity and growth in a lattice gas with dynamical geometry

  with J. Rabin, D. Meyer
  Physical Review E, 73, 026129 (2006)
  
  

• Richardson elements for the classical Lie algebras

  Journal of Algebra (2006), Vol 297/1, 168-185
  
  

• A normal form for admissible characters in the sense of Lynch

  Represent. Theory 9 (2005), 30-45
  
  

• Nice Parabolic Subalgebras of Reductive Lie Algebras

  with Nolan Wallach
  Represent. Theory 9 (2005), 1-29
  
  

• Higher secant varieties of the minimal adjoint orbit

  with Jan Draisma
  Journal of Algebra (2004), 280/2, 743-761
  
  

• Cartan components and decomposable tensors

  Transformation Groups, 8 (2003), no. 4, 309-319

Preprints

• A note on Frieze Patterns of Cluster Variables
  with Robert Marsh