Here, we shall post materials related to scientific talks and discussions.

Thu, Sept 29: Max Metlitski,
"Particle-vortex duality of 2d Dirac fermion from electric-magnetic duality of 3d topological insulators",
References:
M. A. Metlitski and A. Vishwanath, arXiv:1505.05142.C. Wang and T. Senthil, arXiv:1505.05141; arXiv:1507.08290
Wed, Sept 28: Maissam Barkeshli,Title: "Characterizing symmetry-enriched topological states in 2+1 dimensions"
http://arxiv.org/abs/1410.4540http://arxiv.org/abs/1511.02263