Combinatorial and Geometric Group Theory Conference

May 5 - 10, 2006

Schedule

Abstracts of all talks are here.

All 45-minute plenary talks and the Shanks lecture will occur in SC4309, sectional talks will be in SC1308, SC1431, SC1432.

Friday, May 5
 
9:00-9:15 Welcome
9:15-10:05 Alexander Olshanskii Van Kampen diagrams, machines, and asymptotic behavior of groups
10:05-10:25 Coffee Break
10:25-11:15 Gilbert Baumslag Residually torsion-free-nilpotent groups
11:25-12:15 Vladimir Remeslennikov Pro-p groups with non-isomorphic discrete and continuous cohomology groups
12:15-2:00 Lunch Break
2:00-2:50 Igor Mineyev Relative hyperbolicity and bounded cohomology
3:00-3:50 Sergei Ivanov On balanced presentations of the trivial group
3:50-4:10 Coffee Break
4:10-5:20 Parallel sections
 

	SC 1308	SC 1431	SC 1432
4:10-4:40	John Ratcliffe Matching theorems for Coxeter systems of a finitely generated Coxeter group	Luda Markus-Epstein Algorithmic problems in amalgams of finite groups	Atish Mitra Dimension zero at all scales
4:50-5:20	Ilya Kazachkov Orthogonal systems in graphs and free partially commutative groups	Arye Juhasz Certain quotients of HNN-extensions which are HNN-extensions.	Nikolay Brodskiy Hurewicz Theorem for Nagata-Assouad dimension

 
 
Saturday, May 6
 
9:00-9:50 Alexander Dranishnikov Embedding of groups into the product of binary trees
9:50-10:10 Coffee Break
10:10-11:00 Nicolas Monod Splitting and CAT(0) superrigidity for lattices in products
11:10-12:00 Volodymyr Nekrashevych A minimal Cantor set in the space of 3-generated groups
12:00- 2:00 Lunch
2:00-5:40 Parallel sections
 

	SC 1308	SC 1431	SC 1432
2:00-2:30	Vladimir Shpilrain Translation equivalence in free groups	Peter John Davidson Second order Dehn functions of Pride groups	Lucas Sabalka On rigidity and the isomorphism problem for four strand tree braid groups
2:45-3:15	Graham Niblo Obstructions to splitting	Max Forester High dimensional filling invariants of groups	Alexandra Pettet Finiteness properties for the kernel of the pure motion group of n unlinked loops
3:25-3:55	Olga Macedonska Olshanskii method and positive laws in groups	Robert Young Scaled relators and Dehn functions for nilpotent groups	Denis Serbin Groups with regular free length functions in Z^n
4:10-4:40	Alexander Fel'shtyn Twisted Burnside-Frobenius theorem for discrete groups	Tim Riley Geometric notions of space complexity for the word problem	Olga Kharlampovich Isomorphism and other algorithmic problems for fully residually free groups
4:50-5:40	Koji Fujiwara The asymptotic dimension of a curve graph is finite	Xiangdong Xie Uniform spaces and Gromov hyperbolicity	Boris Plotkin Some Tarskii-type problems and logical invariants of algebras

 
 
 
Sunday, May 7
 
9:00 - 9:50 Efim Zelmanov Some open problems in Ring Theory
9:50-10:10 Coffee Break
10:10-11:00 Mikhail Ershov Golod-Shafarevich groups with property (T) and Kac-Moody groups
11:10 -12:00 Rostislav Grigorchuk Hanoi Tower Groups and Schreier Graphs 
12:00-2:00 Lunch Break
2:00-4:30 Parallel sections
 

	SC 1308	SC 1431	SC 1432
2:00-2:30	Igor Belegradek Rips construction and Kazhdan property (T)	Collin Bleak A universal, minimal, non-solvable subgroup of PLo(I) and of R. Thompson's group F	Alexander Borisov Periodic points of self-maps of algebraic varieties and their applications to group theory.
2:40-3:10	Dmitriy Sonkin Uniform Kazhdan groups	Daniel Farley The action of Thompson's Group on a CAT(0) boundary	Eugene Plotkin How to define the Burnside- type problems for solvability property of groups and Lie algebras
3:20-3:50	Keivan Mallahi-Karai Kazhdan constant for automorphisms of nilpotent groups	Dan Guralnik Coarse decompositions for boundaries of cubulated CAT(0) spaces	Vitaliy Sushchanskiy Automorphism groups of trees and Sylow p-subgroups of finitary symmetric groups
4:00-4:30	Angela Barnhill Global fixed points for actions on CAT(0) spaces	Kai-Uwe Bux The Dimension of the Torelli Group for Out(F_n)	Anton Klyachko One-relator relative presentations

 
 
4:30-4:50 Coffee break
4:50-5:00 Introduction of the 21st Shanks lecturer, A. Lubotzky
5:00-6:00 Shanks Lecture: Alex Lubotzky Finite groups and hyperbolic manifolds
6:00-7:00 Reception (Molecular Biology Breezeway)
7:30 Dinner Party (Holiday Inn, Ballroom). 
 
Monday, May 8
 
9:00-10:00 Alex Lubotzky Linear representations of the automorphism group of a free group
10:00-10:20 Coffee Break
10:20-11:10 Shmuel Weinberger Spaces of Translations
11:20-12:10 Alexei Miasnikov On elementary theories of free groups
12:10-2:00 Lunch Break
2:00-2:50 Daniel Wise Special Cube Complexes
3:00-5:30 Parallel sections 
 

	SC 1308	SC 1431	SC 1432
3:00-3:30	Karel Dekimpe Free actions of elementary abelian groups on tori	Jason Manning Combinatorial horoballs, quasi-geodesic bicombings, and relative hyperbolicity	Lev Shneerson On the growth in semigroup varieties
3:40-4:10	Maciej Czarnecki Boundary of foliations	Yuri Bahturin Gradings by Groups on Classical Simple Algebras.	John Meakin From idempotent-generated semigroups to 2-complexes
4:20-4:50	Jose Higes Nagata-Assouad dimension via Lipschitz extensions	Jason Behrstock Thick metric spaces, relative hyperbolicity, and quasi-isometric rigidity	Volker Diekert Complexity and decidability results for some free inverse monoids
5:00-5:30	Lewis Bowen A generalization of the prime geodesic theorem to counting conjugacy classes of free subgroups.	Ruth Charney Toward outer space for right angled Artin groups	Benjamin Steinberg Algebraic combinatorics, semigroup representations and random walks on hyperplane chambers after Ken Brown.

 
Tuesday, May 9 
 
9:00-9:50 Karen Vogtmann The ephemeral Morita classes
9:50-10:10 Coffee Break
10:10-11:00 Paul E. Schupp Random Quotients of the Modular Group are Rigid
11:10-12:00 Panos Papasoglu Cut points and splittings of CAT(0) groups
12:00-2:00 Lunch Break
2:00-2:50 Michael Kapovich Generalized triangle inequalities and their applications
3:00-5:30 Parallel sections
 
 
 
 
 

	SC 1308	SC 1431	SC 1432
3:00-3:30	Alexey Muranov Infinite simple groups of large commutator width	Ashot Minasyan On the engulfing property for word hyperbolic groups	Vahagn H. Mikaelian Continuum varieties of groups and verbal embeddings of groups
3:40-4:10	Michael Mihalik Decompositions of Coxeter groups over minimal splittings	Yves de Cornulier Strongly bounded groups	Galina Deryabina Multiplicative groups of Engel associative algebras
4:20-4:50	Rena Levitt Biautomaticity and nonpositively curved piecewise Euclidean complexes	Yuriy Leonov Growth of self-similar groups	Alexei Krasilnikov Bigroups and a limit variety of groups
5:00-5:30	Bernhard Muehlherr Simply connected subsets of buildings	Zoran Sunic Hanoi Towers group as iterated monodromy group	Yuri Kuzmin Homology identities of nilpotent groups have the finite basis property

 
 
 
Wednesday, May 10
 
9:00-9:50 Nikolay Romanovskiy Free product decompositions in images of certain free products of groups
9:50-10:10 Coffee Break
10:10-11:00 Victor Guba Metric and growth properties of R.Thompson's group F
11:10-12:00 Mark Sapir Groups acting on tree-graded spaces
 
End of conference