**Expository Talks :**
**Knots, graphs and Khovanov homology** given at Advanced School & Discussion meeting:
Knot Theory and its Applications, IISER Mohali, India, Dec 2013.
**Geometry of knot complements**
- Slides
Mathematics Colloquium, Medgar Evers College, Spring 2013

**Scissors Congruence and Hilbert's Third Problem**
- Slides Math Club
talk given at CSI (Spring 2010)

** Euler's Polyhedral Formula**
- Slides
Math Club talk given at CSI (Spring 2009) and WPU (Fall 2009)

**Slides of Research Talks :**
**Mahler measure of the A-polynomial** given at
International Conference on Quantum Topology, Institute of
Mathematics, Hanoi, Aug 6 - 12, 2007.