### Talks for conferences and seminars

"Holographic renormalization group versus exact renormalization group", String Theory Seminar, Cornell, Dec 2, 2010

"Introduction to modern methods on scattering amplitudes (II)", String Theory Seminar, Cornell, Sep 23, 2010

"Introduction to modern methods on scattering amplitudes" , Lepp Theory Seminar, Cornell, Sep 10, 2010

"Identities inside the Gluon and the Graviton Scattering Amplitudes (short version)", 'Spring School on Superstring Theory and Related Topics', ICTP, March 23, 2010

"Identities inside the Gluon and the Graviton Scattering Amplitudes (long version)", Lepp Theory Seminar, Cornell, Feb 19, 2010

"Quantum criticality and holographic methods", ICTS Seminar, University of Science and Technology of China, July, 2009

"Gravitational backreaction on kinky cosmic strings", String Theory Seminar, Cornell, Feb 19, 2008

### Student talks

"Black hole entropy in string theory: Microscopic and Macroscopic", student presentation in String Theory course, April 2010

"An introduction to heterotic strings", student presentation in String Theory course, May 2008

"An introduction to Seiberg-Witten theory and elliptic curves", student presentation in Supersymmetry course, May 2007

"cohomology of compact Lie groups", student presentation in Differential Topology II course, May 2006