Member of Organizing Committes for the 42nd Annual Spring Topology and Dynamics Conference and Geometric Topology: A conference in honor of Steve Ferry at the University of Chicago, March 22-24, 2009
Weighted $L\sp 2$-cohomology of Coxeter groups. Geometric Topology11 (2007), 47--138, with Michael W. Davis, Jan Dymara, and Tadeusz Januszkiewicz.
Cohomology of Coxeter groups with group ring coefficients. II. Algebraic & Geometric Topology6 (2006), 1289--1318 with Michael W. Davis, Jan Dymara, and Tadeusz Januszkiewicz
Weighted $L\sp 2$-cohomology of Coxeter groups based on barycentric subdivisons.Geometric Topology8 (2004), 1032--1042