##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, I {:r}9/30 |Jacques Distler| The S-Matrix for $\mathcal{N}=4$ SYM and Twistor Space, II {:r}10/7 |Oscar Chacaltana| A Dual Theory for the $\mathcal{N}=4$ SYM S-matrix, Twistors and Grassmannians, I {:r}10/14|Oscar Chacaltana| A Dual Theory for the $\mathcal{N}=4$ SYM S-matrix, Twistors and Grassmannians, II {:r}10/21|Oscar Chacaltana| A Dual Theory for the $\mathcal{N}=4$ SYM S-matrix, Twistors and Grassmannians, III {: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. ####S-matrix for $\mathcal{N}=4$ SYM in twistor space#### * Arkani-Hamed, Cachazo and Cheung, The Grassmannian Origin Of Dual Superconformal Invariance (arXiv:0909.0483) * Arkani-Hamed, Cachazo, Cheung and Kaplan, A duality for the S-matrix (arXiv:0907.5418) * Arkani-Hamed, Cachazo, Cheung and Kaplan, The S-matrix in twistor space (arXiv:0903.2110) * Arkani-Hamed, Cachazo and Kaplan, What is the Simplest Quantum Field Theory? (arXiv:0808.1446)