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Sean Cleary
Associate Professor, Departments of Mathematics
CUNY Graduate Center
Office Location: NAC 6274
Phone: (212) 650-5122
e-mail: cleary@sci.ccny.cuny.edu
Web: http://www.sci.ccny.cuny.edu/~cleary/index.html
- Recent Talks:
- ``Metric properties of braided Thompson's groups," Special Session in Combinatorial and Geometric Group Theory, Miami University, Oxford Ohio, Spring 2007.
``The pathological world of Thompson's groups.'' Lafayette/Lehigh Spring Topology miniconference, Spring 2007.
``Metric estimates of braided Thompson's groups," Max Dehn Seminar, University of Utah, Winter 2007
``Braided Thompson's groups,'' New York Group Theory Seminar, Fall 2006
``The weird world of Thompson's groups,'' Universite Joseph Fourier, Grenoble France, Fall 2006
``Linguistic complexity of geodesic languages'', Centre de Recerca Matematica, Barcelona, Fall 2006.
``Metric properties of braided Thompson's groups,'' Geometric and Asymptotic Group Theory with Applications, Barcelona, Summer 2006
``Complexity of languages of geodesics'', Barcelona Geometric Group Theory Weekend, Spring 2006
``Dead ends in Cayley graphs'', Centre de Recerca Matematica, Barcelona, Spring 2006.
``The bizarre world of Thompson's groups'', Univ. of Queensland, Brisbane, Australia, Spring 2006
``Thompson's group F and its remarkable Cayley graph'', University of Melbourne, Australia, Winter 2006
``Thompson's group F and its remarkable Cayley graph'', University of Auckland, New Zealand, Winter 2006
``The Cayley graph of Thompson's group F'', University of Canterbury, New Zealand, Winter 2006
``Rotation distance metrics on trees'', University of Canterbury, New Zealand, Winter 2006
``The pathological world of Thompson's groups'', Univ. of Southern California, Winter 2006
``Complexity of languages of geodesics'', UC-Davis, Winter 2006
- Recent publications:
- ``Pure braid subgroups of braided Thompson's groups'', (with Tom Brady, Jose Burillo and Melanie Stein), to appear, Publicacions Matemà tiques
``Combinatorial and metric properties of Thompson's group T,'' (with Jose Burillo, Melanie Stein and Jennifer Taback), to appear, Transactions of the American Mathematical Society.
``Computational explorations in Thompson's group F,'' (with Jose Burillo and Bert Wiest), to appear, Proceedings of the Barcelona and Geneva Conferences in Geometric Group Theory, Birkhauser.
``Refined upper bounds for right-arm rotation distances,'' (with Fabrizio Luccio and Linda Pagli), Theoretical Computer Science, Vol. 377, 2007, #1-3, pp. 277-281.
``Bounding right-arm rotation distances,'' (with Jennifer Taback), International Journal of Algebra and Computation}, Vol 17, 2007, #2, pp. 369--399.
``Distortion of wreath products in some finitely-presented groups," Pacific Journal of Mathematics, Vol 228, 2006, #1, pp. 53--61.
``Cone types and geodesic languages for lamplighter groups and Thompson's group F," (with Murray Elder and Jennifer Taback), Journal of Algebra, Vol 303, 2006, #2, pp. 476--500.
``Parafree one-relator groups" (with Gilbert Baumslag), Journal of Group Theory, Vol. 9, 2006, #2, pp. 191--202.
``A finitely presented group with unbounded dead-end depth," (with Tim Riley), Proceedings of the American Mathematical Society, Vol .134, 2006, \#2, pp.343--349.
- Research:
- Geometric and combinatorial group theory, spaces of trees, algorithms for trees