Caltech Geometry and Topology Seminar
Unless a change is noted below, the Caltech Geometry and Topology Seminar takes place on Fridays in 257 Sloan from 3pm to 5pm. All are welcome. We usually have dinner afterwards. Click on the title of a talk for the abstract (if available).

Last update: 4/20/09.

2009 Spring Term

April 3rd No Seminar
April 10th No Seminar
April 17th No Seminar
April 24th Dongping Zhuang (Caltech) Geometric Studies of Commutator Subgroups
May 1st Emille Davie (UCSB) Detecting right-veering homeomorphism classes of the once-punctured torus
May 8th Talk Postponed--No Seminar
May 15th Biao Wang (Cornell) Foliations for Quasi-Fuchsian 3-Manifolds
May 22nd Matt Day (Caltech) Peak reduction and finite presentations of automorphism groups of right-angled Artin groups
May 29th Ilesanmi Adeboye (UCSB) Volume bounds for hyperbolic orbifolds
June 5th Daniel Groves (UIUC) Parametrizing surface bundles
June 10th
Wed 3-5pm		 Yakov Berchenko-Kogan (Caltech) Free Splittings and $X$-Digraphs

Future terms

Previous terms

2009 Winter Term

January 9th Francis Bonahon (USC) Geometric intersection number of infinitesimal Liouville currents
January 14th
Wed 3-4PM		 Kevin Whyte (UIC) Growth of Betti numbers and $L_2$ cohomology
January 16th
 Kevin Whyte (UIC) Geometric control of Betti numbers with applications to random complexes
January 23rd Jason Manning (SUNY Buffalo) Residual finiteness and separability of quasi-convex subgroups
January 30th Nikolai Makarov (Caltech) CFT of trivial fields
February 6th Richard Schwartz (Brown) Outer billiards, the modular group, and multigrids
February 13th Alden Walker (Caltech) Product Structures for Legendrian Contact Homology
February 20th Alex Bene (USC) The Fatgraph Magnus Expansion and Johnson Maps
February 27th Richard Schwartz (Brown) Complex hyperbolic triangle groups, spherical CR geometry, and Dehn fillings
March 6th Jason Manning (SUNY Buffalo) Virtually geometric words and Whitehead's algorithm
March 13th Mike Williams (UCSB) Nonsimple tunnel number one knots in lens spaces
March 18th
Wed 3-5PM		 Henry Wilton (UT Austin) Hyperbolic 3-manifolds built from right-angled ideal polyhedra
March 20th Pierre Py (U. of Chicago) Quasi-morphisms and area-preserving homeomorphisms

2008 Fall Term

September 26th David Gabai (Princeton) Almost filling laminations and the connectivity of ending laminations space
October 3rd Matt Day (Caltech) Extended flux maps on surfaces
October 6th
(Mon 3-5PM, 159 Sloan)		 Adrian Ioana (Caltech/UCLA) Superrigidity for profinite actions of property (T) groups
October 13th
(Mon 3-5PM, 159 Sloan)		 Alexander Kechris (Caltech) The theory of costs, part I
October 20th
(Mon 3-5PM, 159 Sloan)		 Alexander Kechris (Caltech) The theory of costs, part II
October 31st No Seminar
November 5th
(Wed 3PM-5PM)		 Extra seminar cancelled
November 7th Loretta Bartolini (Oklahoma State) One-sided Heegaard splittings of 3-manifolds
November 14th Pham H. Tiep (U. of Arizona) Commutators in simple groups and the Ore conjecture
November 21st Thomas Mark (U. of Virginia) Smooth versus topological knotting of surfaces
November 28th Thanksgiving--Institutional Holiday
December 5th Andy Putman (MIT) The second rational homology group of the moduli space of curves with level structures
December 12th No Seminar

This page is maintained by Matt Day (mattday at caltech dot edu), to whom errors in the page should be reported.
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