Professor at Tsinghua University

Email: sili@mail.tsinghua.edu.cn

Personal Page @ Tsinghua

b站:量子鬼道

Curriculum Vitae

About me

  • 1999-2003: B.Sc. (in physics) at SCGY, University of Science and Technology of China
  • 2003-2006: M.Phil. (in math) at Dept of Math, University of Science and Technology of China
  • 2006-2011: Ph.D. (in math) at Dept of Math, Harvard University
  • 2011-2012: Postdoctoral Fellowship at Dept of Math, Northwestern University
  • 2012-2014: Assistant Professor at Dept of Math and Stat, Boston University
  • 2014-present: Professor at Dept of Math and YMSC, Tsinghua University
  • 2012 New World Mathematics Awards: Golden Prize for Doctor Thesis Awards
  • 2016: Gold Medal Award for Morningside Medal of Mathematics , for works toward constructing the quantization of B-twisted topological string field theory and on solving the "Landau-Ginzburg Mirror Symmetry Conjecture".
  • ICCM Best Paper Award (2017 and 2020)
  • Tsinghua University Award for Excellence in Doctoral Supervision (2021)
  • Teaching Excellence Award, Qiuzhen College, Tsinghua University (2020 and 2022)
  • Research Excellence Award, Yau Mathematical Sciences Center, Tsinghua University (2020 and 2022)
  • Research Excellence Award, Department of Mathematical Sciences, Tsinghua University (2023)

    I had also several interesting visiting positions and less interesting administrative positions before. Find more in my Curriculum Vitae

    I am a fan of pingpong and basketball. We have weekly pingpong and basketball event at Tsinghua. Join us!

  • Research

    I work in the field of mathematical physics and am interested in algebraic and geometric aspects of quantum field theory and string theory.

    See Reserach Summary for descriptions of my previous works and Research page for further details.

    [ New ] Video Lecture Series:  B-model

    Introduction to classical and quantum aspects of B-model. Mini-course in Spring 2025 at CUHK. Videos available on b站:量子鬼道

    Contents (links to lecture videos):
    1. Introduction
    2. Calabi-Yau Geometry
    3. Period Map
    4. Extended Period Map
    5. Classical BCOV Action
    6. Hodge Structure and Primitive Form
    7. Classical Master Equation
    8. Quantum Master Equation
    9. Homotopic Renormalization
    10. Quantum BCOV Theory
    11. Landau-Ginzburg B-model
    12. Open-Closed B-model

    Thank Conan for his beautiful note: 柯南's detective note on B-model
    See Research and Teaching page for more notes and videos.

    Books/Notes


    See Teaching page for more.