OVERVIEW
            .The goal of this workshop is to bring top specialists in this area 
            to Carleton to give talks that should be of use to researchers in 
            group theory, computer science, complexity theory, low-dimensional 
            topology, probability, analysis and related areas. Our main speakers 
            will give introductory talks accessible to graduate students. 
            
Main Speakers
             
              A. Miasnikov, 
                McGill University, 
                V. 
                Kaimanovich, International University Bremen 
                T. Riley, 
                Cornell University
                M.Sapir, 
                Vanderbilt University
            
            Invited speakers
             
              G. Bell, U. N. Carolina - Greensboro
                V. Diekert, U. Stuttgart
                A. Duncan, Newcastle University
                R. Gilman, Stevens Institute
                C.K. Gupta, U Manitoba
                S. Ivanov, U. Illinois - Urbana-Champaign
                I. Kapovich, U. Illinois - Urbana-Champaign 
                A.Yu. Olshanski, Vanderbilt U 
                D. Osin, CUNY 
                V. Shpilrain, CUNY 
                Z. Sunik, Texas A & M U
            
            Contributed Talks
            There will be a limited number of contributed talks. If 
              you want to give a talk at the workshop, please send a title and 
              abstract to I. Bumagin at bumagin@math.carleton.ca 
              For additional information contact bumagin@math.carleton.ca
              
            
            The second part of this workshop sponsored by 
              MGill University will be held Dec 17-21 in Montreal. 
            
            December 17-21, 2007
              Workshop on Actions on Trees, Non-Archimedian Words, and Asymptotic 
              Cones in Saint Sauveur
            
            Organizers: O. Kharlampovich, A. Miasnikov
            The main goal: to bring together specialists in this area and to 
              try to create a framework for a long-term collaboration.
             
               
                 Speakers:
                  I. Bumagin (Carleton)
                  R. Gilman (Stevens Institute)
                  V. Diekert (Stuttgart U.)
                  A. Duncan (Newcastle University)
                  S. Ivanov (U. Illinois - Urbana-Champaign)
                  V. Kaimanovich (International University Bremen)
                  O. Kharlampovich (McGill)
                  A. Miasnikov (McGill)
                  A. Nikolaev (McGill)
                  D. Osin (City College, CUNY)
                  T. Riley (Bristol)
                  M. Sapir (Vanderbilt)
                  V. Shpilrain (City College, CUNY)
                  D. Serbin (McGill)
                  Z. Sunic (Texas A&M)
                  N. Touikan (McGill)
                
              
            
            To participate, please, contact Olga Kharlampovich at (olga@math.mcgill.ca) 
              and make a reservation at the hotel. 
            
            The conference will take place at Le Complexe 
              Motel le 60, 
              tel (514) 856-7810 (one should mention the Algebra group to obtain 
              a special price $75 per night).