Seminar series
Date
Mon, 29 Nov 2010
Time
12:00 -
13:00
Location
L3
Speaker
Maxime Gabella
Organisation
Oxford
Motivated by the study of general supersymmetric AdS_5 solutions of type IIB supergravity with fluxes, I will define a notion of "generalized Sasaki-Einstein geometry," characterized by a differential system for a triple of symplectic forms in 4d. I will then show that the minimization of the contact volume over a space of generalized Sasakian structures determines the Reeb vector field for such a solution. This is the geometric counterpart of a-maximization in superconformal field theory. This variational procedure will be put to good use by computing BPS quantities for a predicted infinite family of solutions dual to mass-deformed generalized conifolds.