Generalized permutation patterns and a classification of the Mahonian statistics. Babson, Eric; Steingrímsson, Einar — 2000 Séminaire Lotharingien de Combinatoire [electronic only]
Face numbers and nongeneric initial ideals. Babson, Eric; Novik, Isabella — 2006 The Electronic Journal of Combinatorics [electronic only]
Coxeter-like complexes. Babson, Eric; Reiner, Victor — 2004 Discrete Mathematics and Theoretical Computer Science. DMTCS [electronic only]
Topological obstructions to graph colorings. Babson, Eric; Kozlov, Dmitry N. — 2003 Electronic Research Announcements of the American Mathematical Society [electronic only]