Josh Barnard
Department of Mathematics University of Oklahoma Norman, OK 73019-0315	jbarnard@math.ou.edu 810 PHSC (405) 325-5074

Course Information (Summer 2007) Math 3333-001   Linear Algebra I Past Courses

Professional Information CV (web version) Mini Research Summary Other materials, including official CV, teaching statement, and detailed research statement, available upon request

Publications and Preprints Bounding surface actions on hyperbolic spaces, preprint (7/2007) Geometrically infinite surface actions on contractible delta-hyperbolic 3-manifolds, preprint (revised 7/2007) Super-exponential 2-dimensional Dehn functions, in preparation (with Noel Brady and Pallavi Dani) Super-exponential distortion of subgroups of CAT(-1) groups, Algebraic & Geometric Topology, 7 (2007), 301-308. (with Noel Brady and Pallavi Dani) Distortion of surface groups in CAT(0) free-by-cyclic groups, Geometriae Dedicata, 120 (2006), no. 1, 119-139. (with Noel Brady) Ends of word-hyperbolic three-manifolds, PhD thesis (2004) A loop theorem/Dehn's lemma for (some) orbifolds, preprint (2001)

Links Geometry and Topology Seminar Geometric Group Theory Seminar

Miscellaneous Math Links: Geometric group theory Low-dimensional topology Mathematics genealogy project MacTutor history of mathematics archive Powers of 10 Other Links: Community events (and on campus) Hunger site Human rights watch Norman weather Space weather Some places I've been: St. John's College George Washington University University of Alabama University of California, Santa Barbara

This is why philosophers should never do mathematics. (E contrario...)