SMS scnews item created by Laurentiu Paunescu at Thu 22 Nov 2012 1402
Type: Seminar
Distribution: World
Expiry: 26 Nov 2012
Calendar1: 26 Nov 2012 1200-1300
CalLoc1: AGR Carslaw 829

GTA: Suciu -- Real Toric Varieties

NOTE: This talk was previously advertised for Tuesday 27 November; I moved it to
Monday 26 November.  Apologies for any inconvenience caused.  

Title: The rational homology of smooth, real toric varieties 

Speaker: Alex Suciu, Northeastern University 

Abstract: I will present a formula for computing the Betti numbers of real toric
manifolds, based on a study of cohomology with coefficients in rank one local systems
for various polyhedral products, including real Davis-Januszkiewicz spaces and toric
complexes.  In the case of the Hessenberg varieties, the answer matches a computation
previously done by Henderson and Lehrer, using completely different methods.

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