AMS Sectional Meeting Program by Special Session
Current as of Saturday, October 29, 2005 01:24:04
2005 Fall Central Section Meeting
Lincoln, NE, October 2123, 2005
Meeting #1011
Associate secretaries: Susan J Friedlander, AMS susan@math.northwestern.edu
Special Session on Geometric Methods in Group Theory and Semigroup Theory

Friday October 21, 2005, 1:45 p.m.3:35 p.m.
Special Session on Geometric Methods in Group Theory and Semigroup Theory, I
Room 107, Burnett Hall
Organizers:
Susan M. Hermiller, University of NebraskaLincoln smh@math.unl.edu
John C. Meakin, University of NebraskaLincoln jmeakin@math.unl.edu
Zoran Sunik, Texas A&M University sunik@math.tamu.edu

1:45 p.m.
Hanoi towers, automaton groups and branch groups.
R I Grigorchuk, Texas A&M University
Z Sunik*, Texas A&M University
(10112087) 
2:15 p.m.
Groups of finite type.
R I Grigorchuk*, Texas A&M University
(10112092) 
2:45 p.m.
Profinite groups, profinite trees, Stallings foldings and finite monoids.
Karl Auinger, University of Vienna
Benjamin Steinberg*, Carleton University
(101120142) 
3:15 p.m.
Groups acting on treegraded spaces.
Mark Sapir*, Vanderbilt University
(101120268)

1:45 p.m.

Saturday October 22, 2005, 8:30 a.m.11:20 a.m.
Special Session on Geometric Methods in Group Theory and Semigroup Theory, II
Room 107, Burnett Hall
Organizers:
Susan M. Hermiller, University of NebraskaLincoln smh@math.unl.edu
John C. Meakin, University of NebraskaLincoln jmeakin@math.unl.edu
Zoran Sunik, Texas A&M University sunik@math.tamu.edu

8:30 a.m.
Algebraic characterizations of oneway functions.
JeanCamille Birget*, Rutgers University, Camden Campus
(10112048) 
9:00 a.m.
Reidemeister number as a quasiisometry invariant for the solvable BaumslagSolitar groups.
Jennifer Taback*, Bowdoin College
Peter Wong, Bates College
(10112045) 
9:30 a.m.
Distortion of surface groups in freebycyclic groups.
Noel Brady*, University of Oklahoma
Josh Barnard, University of Oklahoma
(101120356) 
10:00 a.m.
Curvature properties of limit groups.
Emina Alibegovic*, University of Michigan
(101120326) 
10:30 a.m.
Biautomaticity and CAT(0) piecewise Euclidean 2complexes.
Rena Hull*, UC Santa Barbara
(101120170) 
11:00 a.m.
Groups acting on CAT(0) spaces of the form $X\times\mathbb R$.
Kim Ruane*, Tufts University
(101120330)

8:30 a.m.

Saturday October 22, 2005, 3:00 p.m.4:50 p.m.
Special Session on Geometric Methods in Group Theory and Semigroup Theory, III
Room 107, Burnett Hall
Organizers:
Susan M. Hermiller, University of NebraskaLincoln smh@math.unl.edu
John C. Meakin, University of NebraskaLincoln jmeakin@math.unl.edu
Zoran Sunik, Texas A&M University sunik@math.tamu.edu

3:00 p.m.
Asymptotic density in free groups and $\mathbb Z^k$, Visible Points and Test Elements.
Ilya Kapovich*, University of Illinois at UrbanaChampaign
Igor Rivin, Temple University
Paul E Schupp, University of Illinois at UrbanaChampaign
Vladimir Shpilrain, City College of the City University of New York
(10112082) 
3:30 p.m.
Detecting the growth of freegroup automorphisms via their action on homology.
Adam Piggott*, Tufts University
(10112074) 
4:00 p.m.
Examples of retracts in a free group that are not the fixed subgroup of any group of automorphisms.
Laura I Ciobanu*, University of Auckland, New Zealand
Warren Dicks, Universitat Autonoma de Barcelona
(101120122) 
4:30 p.m.
Solving one variable equations in free groups.
Robert Gilman*, Stevens Institute of technology
(101120153)

3:00 p.m.

Sunday October 23, 2005, 8:30 a.m.11:20 a.m.
Special Session on Geometric Methods in Group Theory and Semigroup Theory, IV
Room 107, Burnett Hall
Organizers:
Susan M. Hermiller, University of NebraskaLincoln smh@math.unl.edu
John C. Meakin, University of NebraskaLincoln jmeakin@math.unl.edu
Zoran Sunik, Texas A&M University sunik@math.tamu.edu

8:30 a.m.
What properties do groups of random knots have?
Paul Schupp*, University of Illinois
Kari Barkley, Lafayette College
(101120274) 
9:00 a.m.
Ends for Monoids and Semigroups.
Vesna Kilibarda*, Indiana University Northwest
David A. Jackson, Saint Louis University
(10112027) 
9:30 a.m.
A criterion for property FA$_n$.
Angela K. Barnhill*, The Ohio State University
(101120331) 
10:00 a.m.
Artin groups in a continuous context.
Jon McCammond*, UC Santa Barbara
(101120169) 
10:30 a.m.
Rewriting systems and orderings on Artin monoids.
Patrick Bahls*, The University of North Carolina, Asheville
Tyler Smith, Vanderbilt University
(101120246) 
11:00 a.m.
Minimal Splittings of Coxeter Groups.
Michael L Mihalik*, Vanderbilt University
Steve Tschantz, Vanderbilt University
(101120285)

8:30 a.m.

Sunday October 23, 2005, 2:00 p.m.3:20 p.m.
Special Session on Geometric Methods in Group Theory and Semigroup Theory, V
Room 107, Burnett Hall
Organizers:
Susan M. Hermiller, University of NebraskaLincoln smh@math.unl.edu
John C. Meakin, University of NebraskaLincoln jmeakin@math.unl.edu
Zoran Sunik, Texas A&M University sunik@math.tamu.edu

2:00 p.m.
Embeddings of rightangled Artin groups into graph braid groups.
Lucas A Sabalka*, University of Illinois at UrbanaChampaign
(101120125) 
2:30 p.m.
The Simultaneous Conjugacy Problem for Thompson's Group $F$ is Solvable.
Francesco Matucci*, Cornell University
Martin Kassabov, Cornell University
(101120128) 
3:00 p.m.
On the Homotopy Classification of 1Relator Groups.
Jens Harlander*, Western Kentucky University
Jaqueline A Jensen, Sam Houston State University
(101120383)

2:00 p.m.