Combinatorial and Geometric Group Theory Dortmund and Ottawa-Montreal conferences Free Download

The paper by O. Bogopolski and A. Vikentiev describes some particularly useful?niteindexsubgroupsoftheautomorphismgroupofa?nitelygeneratedfree group. One of their uses may be to attack the problem on the Kazhdan property (T) for these groups. The paper of A. Juhasz contains a solution of the di?cult membership problem in a subclass of one-relator groups. Papers of F. Matucci, D. Savchuk and R. Zarzycki will attract the attention of those who want to know more about groups of transformations of the unit interval [0,1], in particular about the famous Thompson s group F and its limit properties.The conference in Dortmund was organized by O.Bogopolski, M.-T.Bochnig, G.Rosenberger, V.Shpilrainand E.Ventura.This conference was munancially supported and by the Universit] at Dortmund.