This is the homepage for the UT Geometry and String Theory Seminar. ##Fall 2009 Schedule## {:r: scope="row"} Date|Speaker|Topic| ---:|:------|:---- {:r}9/2 |Dan Freed|K-Theory and orientifolds I {:r}9/9 |Dan Freed|K-Theory and orientifolds II {:r}9/16|Aswin Balasubramanian| Hyperbolic monopoles and AdS/CFT {:r}9/23|Jacques Distler| The S-Matrix for $\mathcal{N}=4$ SYM and Twistor Space {:r}9/30 |??| ?? {:r}10/7 |??| ?? {:r}10/14|??| ?? {:r}10/21|??| ?? {:r}10/28|??| ?? {: class="plaintable" style="text-align:center;" summary="Fall Schedule"} ###References### ####K-Theory and orientifolds#### * Distler, Freed and Moore, Orientifold Precis (arXiv:0906.0795) ####Hyperbolic monopoles#### * M. Atiyah, Magnetic monopoles in hyperbolic spaces. (Bombay 1984, Proceedings) * A. Chakrabarti, Construction Of Hyperbolic Monopoles, J.Math.Phys.27:340,1986.