Invited talks and Travels (from 2019)
2024
TBD, AMS Sectional Meetings, the Special Session on "A Showcase of Algebraic Geometry at Undergraduate Institutions", the University of Texas, San Antonio, September 14-15, 2024
2023
Quiver representations over F_1, LAGOON Seminar, December 20, 2023
Schemes over the natural numbers, AG@PUI virtual seminar, September 26, 2023
Hall algebras in a non-additive setting and combinatorial Hopf algebras, Algebra and Combinatorics Seminar, Tulane University, April 26, 2023
On the Hopf algebra of multi-complexes, ACPMS (Algebraic and Combinatorial Perspectives in the Mathematical Sciences) online seminar, March 17, 2023
2022
From chip-firing games to vector bundles for schemes over natural numbers, Arithmetic seminar, Binghamton University, Oct 25, 2022
Introduction to chip-firing games, Math department seminar (online), Manhattan College, Oct 12, 2022
Quiver representations over F_1 and Euler characteristics of quiver Grassmannians, Algebraic geometry and Geometric topology seminar, Tulane University, Oct 3, 2022
Quiver representations over the field with one element, Combinatorics seminar, University of Vermont, Sep 26, 2022
2021
Quiver representations over the field with one element, Combinatorics seminar (online), Binghamton University, Oct 19, 2021
2020
On the Hopf algebra of multi-complexes, Discrete Math Seminar (online), IBS, Dec 17, 2020
Hall algebras in a non-additive setting, Arithmetic Seminar (online), Binghamton University, Oct 6, 2020
Lattices, spectral spaces, and closure operations on idempotent semirings, Arithmetic Seminar, Binghamton University, Mar 10, 2020
2019
The Hall algebra of the category of matroids, Discrete Math Seminar, KAIST, Dec 26, 2019
The Hall algebra of the category of matroids, Arithmetic Seminar, Binghamton University, Oct 29, 2019
(30 minutes) The Hall algebra of the category of matroids, JAMI 2019 Workshop, Riemann-Roch in characteristic one and related topics, Johns Hopkins University, Oct 18-20, 2019
(20 minutes talk) Hopf algebras for matroids over hyperfields, AMS Sectional Meetings, the Special Session on "Oriented matroids and related topics", Binghamton University Oct 12-13, 2019
(20 minutes talk) Categories of matroids, Hopf algebras, and Hall algebras, Minisymposium "New developments in matroid theory" at the SIAM - Conference on Applied Algebraic Geometry, 9-13 July, 2019, Bern (CH)
Hyperstructures of affine algebraic group schemes, KAIST, June 13, 2019
Introduction to hyperrings and hyperfields, SUNY New Paltz, Feb 6, 2019