Where: MTH 1313

Where: Kirwan Hall 1313

Speaker: Jacob Erickson (UMCP) -

Abstract: This will be a simple introduction to topological quantum field theories, following Atiyah. See references 1 and 2 on the RIT web page.

Where: Kirwan Hall 1313

Speaker: Jacob Erickson (UMCP) -

Abstract: Continuing from last week, this will be a quick review of what TQFTs look like in dimension 1, with concrete examples and computations.

Where: Kirwan Hall 1313

Speaker: Naren Manjunath (UMCP Physics) -

Abstract: This will be an introduction to the idea of symmetry-protected phases of matter.

Where: Kirwan Hall 1313

Speaker: Ian Teixeira (UMCP Math) -

Where: MTH (Kirwan Hall) 1313

Speaker: Steven Jin (UMCP Math) -

Abstract: References for this subject are Lowell Abrams, Two-dimensional topological quantum field theories and Frobenius algebras, J. Knot Theory Ramifications 5 (1996), no. 5, 569-587, and Stephen Sawin, Direct sum decompositions and indecomposable TQFTs, J. Math. Phys. 36 (1995), no. 12, 6673-6680.

Where: MTH (Kirwan Hall) 1313

Speaker: Srivatsa Tata (UMCP Physics) -

Abstract: This will be about “topological” terms in gauge theories, for example terms involving Chern classes and Chern-Simons terms.

Where: MTH (Kirwan Hall) 1313

Speaker: Jerry Yao-Chieh Hu (UMCP Physics) -

Abstract: This will include perturbative anomalies for continuous symmetries and projective phases and group cohomology.

Where: MTH (Kirwan Hall) 1313

Speaker: Jerry Yao-Chieh Hu (UMCP Physics) -

Abstract: This will continue the discussion from last time, with an emphasis on projective phases and group cohomology. You can find notes at

https://sites.google.com/view/jerry-yc-hu/miscellaneous

Where: Kirwan Hall 1313

Speaker: Janos Kollar (Princeton Univ.) - https://web.math.princeton.edu/~kollar/

Abstract: We describe recent results on polynomial solutions of Pell's

equation, a topic started by Abel. We then use these results to exhibit

some unsolvable problems in algebraic geometry.

Where: MTH (Kirwan Hall) 1313

Speaker: Sze Hong Kwong (UMCP Math) -

Abstract: This will be based on the paper of Freed and Quinn in Comm. Math. Physics 156 (1993), no. 3, 435-472, arXiv:hep-th/9111004.

Where: MTH (Kirwan Hall) 1313

Speaker: Sze Hong Kwong (UMCP Math) -

Abstract: This will be based on the paper of Freed and Quinn in Comm. Math. Physics 156 (1993), no. 3, 435-472, arXiv:hep-th/9111004.

Where: MTH (Kirwan Hall) 1313

Speaker: Jerry Yao-Chieh Hu (UMCP Physics) -

Abstract: This will continue the discussion from before. You can find notes at

https://sites.google.com/view/jerry-yc-hu/miscellaneous

Where: 1313 Kirwan Hall

Speaker: Noah Chrein (UMCP Math) -

Abstract: This will be a survey of some of the ideas in Jacob Lurie's famous 2008 paper, "On the classification of topological field theories"

Where: MTH 1313

Where: MTH (Kirwan Hall) 1313

Speaker: Jerry Yao-Chieh Hu (UMCP Physics) -

Where: MTH (Kirwan Hall) 1313

Speaker: Eric Kuo (UMCP Physics) -

Abstract:This talk will be about the famous paper "Periodic table for topological insulators and superconductors" by Alexei Kitaev, https://arxiv.org/abs/0901.2686.

Where: MTH (Kirwan Hall) 1313

Speaker: Eric Kuo (UMCP Physics) -

Abstract: More on Kitaev's paper https://arxiv.org/abs/0901.2686.

Where: MTH (Kirwan Hall) 1313

Speaker: Sri Tata (UMCP Physics) -

Where: MTH (Kirwan Hall) 1313

Speaker: Jerry Yao-Chieh Hu (UMCP Physics) -

Where: MTH (Kirwan Hall) 1313,

Speaker: Steven Jin (UMd) -

Where: MTH (Kirwan Hall) 1313,

Speaker: Ian Teixeira (UMd) -