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Dr. Sean Griffin

Assistant Professor

University of North Texas

Department of Mathematics

Email: Sean.Griffin@unt.edu

Professional Memberships

  • American Mathematical Society. (2025 - Present).

Teaching

Teaching Experience

    University of North Texas

  • MATH 2000 - Discrete Mathematics, 1 course.
  • MATH 3740 - Vector Calculus, 1 course.
  • MATH 4520 - Introduction to Functions of a Complex Variable, 1 course.
  • MATH 5400 - Introduction to Functions of a Complex Variable, 1 course.

Research

Published Intellectual Contributions

    Journal Article

  • Gillespie, M., Gorsky, E., Griffin, S. (2025). A combinatorial skewing formula for the Rise Delta Theorem. Other. 5 (3) eScholarship University of California. http://dx.doi.org/10.5070/c65365552
  • Gillespie, M., Griffin, S. (2024). Cocharge and skewing formulas for Delta-Springer modules and the Delta Conjecture. International Mathematics Research Notices. 14 10895-10917.
  • Griffin, S., Levinson, J., Woo, A. (2024). Springer fibers and the Delta Conjecture at t=0. Advances in Mathematics. 439 (109491)
  • Griffin, S. (2024). Δ–Springer varieties and Hall–Littlewood polynomials. Other. 12 (19) Cambridge University Press. https://doi.org/10.1017/fms.2024.1
  • Gillespie, M., Griffin, S. (2023). Degenerations and multiplicity-free formulas for products of psi and omega classes on \bar M_{0,n}. Mathematische Zeitschrift. 304
  • Gillespie, M., Griffin, S., Levinson, J. (2023). Lazy tournaments and multidegrees of a projective embedding of \(\overline{M}_{0,n}\). Other. eScholarship University of California. http://dx.doi.org/10.5070/c63160416
  • Griffin, S. (2021). Ordered set partitions, Garsia-Procesi modules, and rank varieties. Transactions of the American Mathematical Society. 374 2609-2660. https://doi.org/10.1090/tran/8237
  • Baird, M., Billey, S., Demaine, E., Demaine, M., Eppstein, D., Fekete, S., Gordon, G., Griffin, S., Mitchell, J., Swanson, J. (2020). Existence and Hardness of Conveyor Belts. Electronic Journal of Combinatorics. http://dx.doi.org/10.37236/9782
  • Gessel, I., Griffin, S., Tewari, V. (2019). Labeled binary trees, subarrangements of the Catalan arrangements, and Schur positivity. Advances in Mathematics. 356 https://doi.org/10.1016/j.aim.2019.106814

Presentations Given

    Invited Talk

  • Griffin, S. (Presenter), Algebra and Combinatorics Seminar, A proof of the Stanley-Stembridge conjecture via parabolic flag Hilbert schemes and A_{q,t} algebra, Texas A&M University, College Station, TX, United States of America. (2025 - 2025).
  • Griffin, S. (Presenter), FRAGMENT Seminar, A proof of the Stanley-Stembridge conjecture via parabolic Hilbert schemes and A_{q,t} algebra, Colorado State University, Fort Collins, CO, United States of America. (2025 - 2025).
  • Griffin, S. (Presenter), Algebra and Combinatorics Seminar, A new proof of the Stanley-Stembridge conjecture via the A_{q,t} algebra, UT Dallas, Richardson, TX, United States of America. (2025 - 2025).
  • Griffin, S. (Presenter), AMS Special Session, Emerging interactions between representation theory, geometry, and combinatorics, On Macdonald expansions of q-chromatic symmetric functions and the Stanley-Stembridge Conjecture, Tulane University, New Orleans, LA, United States of America. (2025 - 2025).
  • Griffin, S. (Presenter), AMS Special Session, Interactions between geometry, combinatorics, and flag varieties, Affine Springer fibers and the Shuffle and Delta Theorems, Saint Louis University, St. Louis, MO, United States of America. (2025 - 2025).

Service

University Service

  • Committee Member, Library Liaison. (September 2025 - Present).

Professional Service

  • Reviewer, Journal Article, Several Mathematics Journals. (2025 - 2025).