Monthly Archives: February 2011

Seminar March 1 – Shiva Kasiviswanathan

The Geometry-Topology 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

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Dave Futer’s March 1 talk at Rutgers

Dave Futer will be speaking on Tuesday, March 1 at the Rutgers Geometry-Topology Seminar on, Title: Angle structures for veering triangulations Abstract: Casson and Rivin have proposed a program to explicitly construct the finite-volume hyperbolic metric on a 3-manifold given … Continue reading

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Seminar February 22 – DeVries and Fuchs

The Geometry-Topology 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

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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

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Seminar February 15 – Johanna Mangahas Kutluhan

Our Spring 2011 seminar continued on Feb. 15th with Johanna Mangahas Kutluhan from Brown University. Title: Geometry of right-angled 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

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Seminar February 8 – Mike Davis

After a brief hiatus the Geometry-Topology seminar returns with a talk by Mike Davis, from the Institute for Advanced Study, at 3:30 PM. Title: Right-angledness, flag complexes, asphericity Abstract: I will discuss three related constructions of spaces and manifolds and … Continue reading

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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

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