2:15 p.m. Elements of finitely generated groups which belong to no proper tree factor. John R. Stallings*, University of California, Berkeley
(911-20-42)
2:45 p.m. Branched coverings of cubical complexes and subgroups of hyperbolic groups. Noel Patrick Brady*, University of Utah
(911-20-75)
3:15 p.m. Remarks on some triangles of finite groups. Roger C. Alperin*, San Jose State University
(911-20-166)
3:45 p.m. Embedded planes and torsion free subgroups of finite index in triangles of groups. Paul R. Brown*, University of California, Berkeley
(911-20-39)
4:15 p.m. Finite covering spaces of graphs. Daniel Wise*, Princeton University
(911-20-250)
4:45 p.m. Non-positively curved piecewise Euclidean structures on hyperbolic manifolds. Gabor Moussong, Eotvos Lorand University, Budapest, Hungary
Ruth M. Charney*, Ohio State University, Columbus
Michael W. Davis, Ohio State University, Columbus
(911-53-194)
8:30 a.m. Aspherical group presentations. Robert F. Craggs*, University of Illinois, Urbana-Champaign
(911-57-145)
9:00 a.m. On ribbon disc complements and related $2$-complexes. Catherine E. Cavagnaro*, University of the South
(911-20-218)
9:30 a.m. On split $2$-complexes. Will Haight, II*, University of the South
(911-20-216)
10:00 a.m. An equivariant Whitehead algorithm and conjugacy in Aut($F_n$). Sava Krstic, Tufts University
Martin Lustig, Ruhr University, Germany
Karen Vogtmann*, Cornell University
(911-20-249)
10:30 a.m. The conjugacy problem in $C"(2,p)-T"(q)$ groups. Karin Luisa Johnsgard*, Cornell University
Mile P. Krajcevski, University of South Florida
(911-20-122)
2:15 p.m. Tame combings of groups. Michael L. Mihalik*, Vanderbilt University
(911-20-165)
2:45 p.m. Kernels of actions on non-positively curved spaces. Robert Bieri, University of Frankfurt, Germany
Ross Geoghegan*, State University of New York, Binghamton
(911-20-87)
3:15 p.m. An algebraic annulus theorem. Peter Scott*, University of Michigan, Ann Arbor
G. A. Swarup, University of Melbourne, Australia
(911-20-246)
3:45 p.m. Test elements, primitivity and automorphisms. Benjamin Fine, Fairfield University
Gerhard Rosenberger*, University of Dortmund, Germany
(911-20-157)
4:15 p.m. Generalized small cancellation theory. Guenther P. Huck*, Northern Arizona University
Stephan Rosebrock, Kelkheim, Germany
(911-20-223)
4:45 p.m. Type $K$ equations over torsion-free groups. Andrew P. Clifford*, University of Wisconsin, Parkside
(911-20-233)
5:15 p.m. Geometric realization of algebraic $2$-complexes after stabilization. M. Paul Latiolais*, Portland State University
Wolfgang Metzler, Johann Wolfgang Goethe University, Germany
(911-57-217)
8:30 a.m. Artin groups, rewriting systems, and three manifolds. Susan M. Hermiller*, New Mexico State University, Las Cruces
John E. Meier, Lafayette College
(911-20-196)
9:00 a.m. Finiteness conditions and abelian quotients of graph groups. John E. Meier*, Lafayette College
Leonard A. VanWyk, Hope College
(911-20-231)
9:30 a.m. Boundaries of $G\times H$ CAT $(0)$ groups. Kim E. Ruane*, Florida State University
(911-20-247)
10:00 a.m. Generating functions for finite group actions on surfaces. Colin Maclachlan, University of Aberdeen, United Kingdom
Andy Miller*, University of Oklahoma
(911-20-248)
10:30 a.m. Higher order Dehn functions of groups. Juan M. Alonso, Stockholm University, Sweden
William Aubrey Bogley*, Oregon State University
Robert M. Burton, Jr., Oregon State University
Stephen J. Pride, University of Glasgow, United Kingdom
X. Wang, University of Glasgow, United Kingdom
(911-20-163)
