Research interests:  Dynamics of supersymmetric gauge theories
 Conformal field theories and TQFTs
 Physics and geometry of moduli spaces
 Representation theory and quantum algebra
 Various other topics in string theory, quantum field theory and mathematical physics
Biography:  QGMCaltech joint postdoc, 2016present
 Caltech, Ph.D. 2016 (Advisor: Sergei Gukov)
 Peking University, B.Sc. 2011.
Email: pei_at_caltech.edu
Papers:  "Mirror symmetry with branes by equivariant Verlinde formulae," arXiv:1712.04408 (w/ Tamas Hausel and Anton Mellit)
 "ArgyresDouglas Theories, Chiral Algebras and Wild Hitchin Characters," arXiv:1701.08782 (w/ Laura Fredrickson, Wenbin Yan and Ke Ye).
 "BPS spectra and 3manifold invariants," arXiv:1701.06567 (w/ Sergei Gukov, Pavel Putrov and Cumrun Vafa).
 "The Verlinde Formula for Higgs Bundles," arXiv:1608:01761 (w/ J.E. Andersen and Sergei Gukov).
Ph.D Thesis:
Talks:  03/2018, "2D TQFTs Labeled by Threemanifolds," conference on "Quantum Knot Homology and Supersymmetric Gauge Theories," Aspen.
 01/2018, "BPS Spectra and Invariants for 3 and 4Manifolds," winter school on "Partition Functions and Automorphic Forms", JINR.
 12/2017, "An E_{6} Suprise," Representation theory seminar, YMSC, Tsinghua University.
 11/2017, "On the Mirror Symmetry of (B,A,A)branes," Nielson retreat, Sandbjerg Estate.
 09/2017, "Can One Hear the Shape of a Drum?", Mathematical physics seminar, University of Heidelberg.
 09/2017, "Can One Hear the Shape of a Drum?", ADS seminar, YMSC, Tsinghua University.
 01/2017, "Wild Hitchin Characters," Geometry seminar, IST Austria.
 01/2017, "Wild Hitchin Characters," QUANTMOD — Quantization and Moduli Spaces, University of Luxembourg.
 09/2016, "The Verlinde formula for Higgs bundles," Hitchin70: Differential Geometry and Quantization, QGM, Aarhus. Video
 02/2016, "Verlinde formula for Higgs bundles," Workshop on "Higgs Bundles in Geometry and Physics," IWH Heidelberg.
 10/2015, Minicourse on "New TQFT's and Equivariant Integration over Moduli Space of Higgs Bundles," NS@50, Chennai Mathematical Institute.
 02/2015, "The Equivariant Verlinde formula," Noncommutative Geometry Seminar, Caltech.
 11/2014, "Equivariant Integration Over Hitchin Moduli Space," Workshop on "Gauged SigmaModels in Two Dimensions," Simons Center of Geometry and Physics. Video
 05/2014, "TQFT and the Geometry of Moduli Spaces," GEAR Junior Retreat, University of Michigan.
Mail Address: Caltech 45248, Pasadena, CA 91125

