-
Upcoming Talks
- Thursday,
Time 2:30 November 10, 2005
Physics-Astronomy Building Room C520 (tower)
Jacques Distler (University of Texas)
Title: Random Polynomials and the Friendly Landscape- Abstract:
- Abstract:
- Monday,
4:00 November 14, 2005
Physics-Astronomy Building A102 (A-wing)
Shiraz Minwalla (Harvard University and Tata Institute)
Title: Black Holes in Yang Mills Theories. - Abstract: According to the AdS/CFT
correspondence, certain large N gauge
theories may be reformulated as theories of gravity. It follows that
black holes - perhaps the most enigmatic of all gravitational objects
- have a dual manifestation in large N gauge theories. In this talk I
will identify, construct and explore these dual black holes in several
examples. This identification provides a new and potentially fruitful
perspective on old puzzles of black hole physics like the information
paradox.
- Tuesday,
2:30 November 15, 2005
Physics-Astronomy Building C421
Shiraz Minwalla (Harvard University and Tata Institute)
Title: An Index for 4d Superconformal Theories and Susy States of N=4 Yang Mills
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Past Talks
-
Friday, 11:30 AM October 14, 2005
Physics-Astronomy Building B405
Allan Adams (Harvard University)
Topological Rings and Mirror Symmetry for Heterotic Strings
- Abstract:
Topological type II strings on a Calabi-Yau M compute quantum
versions of various classical cohomology rings of M. Somewhat
surprisingly, it can be shown that twisted versions of certain heterotic,
or (0,2), models, whose target spaces are holomorphic vector bundles
(more generally, coherent sheaves) V over M, also contain finite
dimensional frobenius rings of topological observables. These rings,
related to the ground rings of the chiral de Rham complex, reduce to the
familiar quantum cohomology rings at (2,2) loci, to sheaf cohomology in
the large volume limit, and define a quantum sheaf cohomology at generic
points in the moduli space of (V,M). In this talk we will present a proof
of the existence of these rings in certain (0,2) superconformal sigma
models and describe the computation and summation of instanton
corrections via a generalization of Morrison-Plesser/Hori-Vafa mirror
symmetry to this sheafy context.
- Abstract:
Topological type II strings on a Calabi-Yau M compute quantum
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Send comments on this web page to: Matt Strassler < strassler@phys.washington.edu>
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