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Monthly Archives: February 2011
Seminar March 1 – Shiva Kasiviswanathan
The GeometryTopology Seminar continues with Shiva Kasiviswanathan of IBM. As usual, the talk is at 3:30 in Wachman 617. Title: The Price of Privately Releasing Contingency Tables and the Spectra of Random Matrices with Correlated Rows Abstract: Contingency (marginal) tables … Continue reading
Posted in seminar announcement
Tagged Computer Science, Learning Theory, Privacy, Random matrices
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Dave Futer’s March 1 talk at Rutgers
Dave Futer will be speaking on Tuesday, March 1 at the Rutgers GeometryTopology Seminar on, Title: Angle structures for veering triangulations Abstract: Casson and Rivin have proposed a program to explicitly construct the finitevolume hyperbolic metric on a 3manifold given … Continue reading
Posted in away talks
Tagged Angle structures, Hyperbolic Geometry, Mapping Class Group
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Seminar February 22 – DeVries and Fuchs
The GeometryTopology Seminar has two speakers this week: Tim DeVries from the University of Pennsylvania and Elena Fuchs from of the Institute for Advanced Study. Talks will be held in Wachman 617, starting at 3:30 (Fuchs) and 5:00 (DeVries). Fuchs … Continue reading
PATCH Day February 17 – Etnyre and Ghrist
PATCH–the Philadelphia Area Topology, Contact and Hyperbolic Seminar, a joint venture with Bryn Mawr College, Haverford College, and now the University of Pennsylvania has its first meeting of Spring 2011 on Feb. 17. There will be two talks in room … Continue reading
Seminar February 15 – Johanna Mangahas Kutluhan
Our Spring 2011 seminar continued on Feb. 15th with Johanna Mangahas Kutluhan from Brown University. Title: Geometry of rightangled Artin groups in mapping class groups Abstract: I’ll describe joint work with Matt Clay and Chris Leininger. We give sufficient conditions for … Continue reading
Seminar February 8 – Mike Davis
After a brief hiatus the GeometryTopology seminar returns with a talk by Mike Davis, from the Institute for Advanced Study, at 3:30 PM. Title: Rightangledness, flag complexes, asphericity Abstract: I will discuss three related constructions of spaces and manifolds and … Continue reading
Louis Theran’s talks at SODA and Penn
Consider the following simple process. Start with n points in the Euclidean plane, allowed to move freely. Now, uniformly at random, pick a pair of the points, and fix the distance between them, and then repeat this step. Eventually, the … Continue reading