
Joint Mathematics Meetings AMS Special Session
Current as of Saturday, January 14, 2012 00:29:11
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Inquiries: meet@ams.org
Joint Mathematics Meetings
John B. Hynes Veterans Memorial Convention Center, Boston Marriott Hotel, and Boston Sheraton Hotel, Boston, MA
January 47, 2012 (Wednesday  Saturday)
Meeting #1077
Associate secretaries:
Michel L Lapidus, AMS lapidus@math.ucr.edu, lapidus@mathserv.ucr.edu
Gerard A Venema, MAA venema@calvin.edu
AMS Special Session on Geometric Invariants of Groups and Related Topics

Saturday January 7, 2012, 8:30 a.m.10:50 a.m.
AMS Special Session on Geometric Invariants of Groups and Related Topics, I
Exeter, 3rd Floor, Marriott Organizers: Nic Koban, University of Maine, Farmington Peter N. Wong, Bates College pwong@bates.edu

Saturday January 7, 2012, 1:30 p.m.4:50 p.m.
AMS Special Session on Geometric Invariants of Groups and Related Topics, II
Exeter, 3rd Floor, Marriott Organizers: Nic Koban, University of Maine, Farmington Peter N. Wong, Bates College pwong@bates.edu

1:30 p.m.
Sigma invariants of some selfsimilar groups.
Susan Hermiller, University of Nebraska
Zoran Sunic*, Texas A&M University
(1077202773)

2:00 p.m.
Sigma invariants for Thompson and generalised Thompson groups.
Dessislava Hristova Kochloukova*, State University of Campinas (UNICAMP), Campinas, SP, Brazil
Robert Bieri, University of Binghamton, SUNY
Ross Geoghegan, University of Binghamton, SUNY
(107720429)

2:30 p.m.
The BNSinvariant of pure braid groups.
John Meier*, Lafayette College
(1077201838)

3:00 p.m.
The $\Omega$invariant of a semidirect product of groups.
Nic Koban*, University of Maine Farmington
Peter Wong, Bates College
(1077201666)

3:30 p.m.
Sigma theory and twisted conjugacy classes.
Daciberg Lima Goncalves*, IMEUnversity of São Paulo
Dessislava H. Kouchloukova, University of Campinas
(107720729)

4:00 p.m.
$\Omega^n$ invariants and twisted conjugacy classes.
Nic Koban, University of Maine, Farmington
Peter Wong*, Bates College
(1077202323)

4:30 p.m.
Discussion
