Groups, languages, and geometry : 1998 AMS-IMS-SIAM Joint Summer Research Conference on Geometric Group Theory and Computer Science, July 5-9, 1998, Mount Holyoke College / Robert H. Gilman, editor
""Contents""; ""Preface""; ""Open Problems in Combinatorial Group Theory""; ""The Bar Problem�A Simple Tiling Problem which is N P-complete on the Euclidean Tessellation by Squares but which is Polynomial Time on the Hyperbolic Tessellations by 4g-gons, g � 2""; ""When are Centralizers of Finite Subgroups of Out(Fn) Finite?""; ""Computing Angles in Hyperbolic Groups""; ""On Effective Decidability of the Homeomorphism Problem for Non-compact Surfaces""; ""Some Presentations of the Trivial Group""; ""A Language Theoretic Analysis of Combings""
