Combinatorial and Geometric Group Theory Dortmund and Ottawa-Montreal conferences

Subgroups of Small Index in Aut(F n ) and Kazhdan’s Property (T).- Dynamics of Free Group Automorphisms.- Geodesic Rewriting Systems and Pregroups.- Regular Sets and Counting in Free Groups.- Twisted Conjugacy for Virtually Cyclic Groups and Crystallographic Groups.- Solving Random Equations in Garside Groups Using Length Functions.- An Application of Word Combinatorics to Decision Problems in Group Theory.- Equations and Fully Residually Free Groups.- The F N -action on the Product of the Two Limit Trees for an Iwip Automorphism.- Mather Invariants in Groups of Piecewise-linear Homeomorphisms.- Algebraic Geometry over the Additive Monoid of Natural Numbers: Systems of Coefficient Free Equations.- Some Graphs Related to Thompson’s Group F.- Generating Tuples of Virtually Free Groups.- Limits of Thompson’s Group F.