### QVEST, Summer 2011

#### Posted by Urs Schreiber

This May we have the third QVEST meeting:

Quarterly seminar on topology and geometry

Utrecht University

May 20, 2011

The speakers are

Alessandro Valentino (Hamburg)

*T-duality and differential K-theory**Abstract.*In the seminar I will discuss topological T-duality in the framework of (twisted) K-theory, and present its generalization to (twisted) differential K-theory.Marco Gualtieri (Toronto)

TBA (something about generalized complex geometry)

M. Amann (MPI, Toronto)

*Non-formal homogeneous spaces**Abstract.*The notion of formality expresses the fact that rationally the homotopy type of a space is no more complicated than its rational cohomology algebra. Not only is formality an important concept within the realm of rational homotopy theory, it also seems to reflect consequences of geometric concepts like positive curvature or special holonomy.After giving an introduction to the topic and an overview of the different relations, we shall focus on homogeneous spaces and biquotients. A discussion of formality in this context will be presented — in particular, providing construction principles for non-formal homogeneous spaces.

If you would like to attend and have any questions, please drop me a message.

The previous QVEST meeting was here.

Posted at May 11, 2011 11:44 AM UTC
## Re: QVEST, Summer 2011

What’s the reason for the name QVEST? In my imagination, it stands for “quantum vest”.