Spin Hamiltonians with Resonating-Valence-Bond Ground States
Physical Review Letters American Physical Society (APS) 105:6 (2010) 067205
Exact and simple results for the XYZ and strongly interacting fermion chains
(2010)
Link invariants, the chromatic polynomial and the Potts model
Advances in Theoretical and Mathematical Physics International Press of Boston 14:2 (2010) 507-540
Comment: Five problems in physics without the definite article
Science News Wiley 176:2 (2009) 32-32