Old teaching

Prior courses taught at Harvard

  • Fall 2025: Freshman seminar: the story of the alternating sign matrix conjecture
  • Spring 2024: Geometric and topological combinatorics
  • Fall 2023: Freshman seminar: Mathematical proofs from the book
  • Spring 2022: Freshman seminar: the story of the alternating sign matrix conjecture
  • Fall 2021: Math 251: cluster algebras, positivity, Grassmannians, and beyond
  • Spring 2020: Topics in combinatorics: Schubert calculus
  • Fall 2019: Freshman Seminar (the story of the alternating sign matrix conjecture)
  • Spring 2019: Math 155r: Algebraic Combinatorics
  • Fall 2018: Freshman Seminar (the story of the alternating sign matrix conjecture)

    • Prior courses taught at Berkeley

  • Spring 2018: Math 55 (Discrete Mathematics)
  • Fall 2017: Math 270 (Hot topics in algebra: Grassmannians, positivity, clusters, and beyond)
  • Spring 2014: Math 55 (Discrete Mathematics)
  • Fall 2013: Math 249 (Algebraic combinatorics)
  • Spring 2012: Math 113 (Introduction to Abstract Algebra)
  • Fall 2011: Math 55 (Discrete Mathematics)
  • Spring 2011: Math 274 (Topics in algebra: cluster algebras)
  • Fall 2010: Math 55 (Discrete Mathematics)
  • Spring 2010: Math 249 (Algebraic combinatorics)

    Prior courses taught at Columbia

  • Fall 2016: Topics in cluster algebras at Columbia University, New York.

    • Prior courses taught in Paris

  • Fall 2014: Introduction to cluster algebras at IHP, Paris.

    • Prior courses taught at Harvard (as a BP)

  • Spring 2009: Math 154 (Probability)
  • Fall 2008: Math 277 (Topics in Combinatorial Representation Theory)
  • Fall 2007: Math 155 (Algebraic Combinatorics, formerly Math 192)
  • Spring 2007: Math 21a (Multivariable calculus)
  • Fall 2006: Math 192 (Algebraic Combinatorics)