Combinatorial and Geometric Group Theory

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.

Interesting articles about a very modern and active field of mathematics Representation of different aspects of modern geometrical and combinatorial group theory: from group actions on spaces to algorithmic problems passing through cryptography applications Includes supplementary material: sn.pub/extras