Equivaraint gamma positivity of Chow rings and augmented Chow rings of matroids
arXiv:2408.00745 submitted.
Slides of a 25-minute talk
Slides of a 50-minute talk
Chow rings and augmented Chow rings of uniform matroids and their q-analogs
arXiv:2406.19660 submitted.
Poster of the updated version
Slides of an early version of this work
Stembridge codes, permutahedral varieties, and their extensions
arXiv:2403.10577 submitted.
Combinatorics of generalized parking function polytopes
with Margaret M. Bayer, Steffan Borgwardt, Terresa Chambers, Spencer Daugherty, Aleyah Dawkins, Danai Deligeorgaki, Tyrrell McAllister, Angela Morrison, Garrett Nelson, Andrés R. Vindas-Meléndez arXiv:2403.07387 submitted.
Stembridge codes and Chow rings
Séminaire Lotharingien Combinatoire 89B (2023), Article #88.
Proceedings of the 35th Conference on Formal Power Series and Algebraic Combinatorics, Davis, California. (Talk).
Revisiting the general cubic: A simplification of Cardano's solution
with Peter Jao-Shyong Shiue, Mark Saul
The Mathematical Gazette 107, no. 570, Nov (2023). arXiv:2204.07507
Signed Mahonian identities on permutations with subsequence restrictions
with Sen-Peng Eu, Tung-Shan Fu, Hsiang-Chun Hsu, Wei-Liang Sun
Journal of Combinatorial Theory, Series A 170 (2020). FPSAC abstract
Signed mahonian identities on permutations with subsequence restrictions
with Sen-Peng Eu, Tung-Shan Fu, Hsiang-Chun Hsu, Wei-Liang Sun
Séminaire Lotharingien Combinatoire 82B (2019), Article #21.
Proceedings of the 31st Conference on Formal Power Series and Algebraic Combinatorics, Ljubljana, Slovenia. (Poster presented by T.-S. Fu).
Signed countings of types B and D permutations and t,q-Euler numbers
with Sen-Peng Eu, Tung-Shan Fu, Hsiang-Chun Hsu
Advances in Applied Mathematics 97 (2018). arXiv:1708.05518
Folding phenomenon of major-balance identities on restricted involutions
with Tung-Shan Fu, Hsiang-Chun Hsu
Taiwanese Journal of Mathematics 22 (2018). arXiv:1711.04601
Below are papers coming from my undergraduate research
Matrix representation of recursive sequences of order 3 and its applications
with Tien-Xiao He, Peter Jao-Shyong Shiue
Journal of Mathematical Research with Applications 38 (2018) no. 3.
Application of Faà di Bruno's formula in the construction of combinatorial identities
with Tien-Xiao He, Peter Jao-Shyong Shiue
Journal of Combinatorics and Number Theory 7 (2015) no. 3.
The Pascal matrix function and its applications to Bernoulli numbers and Bernoulli polynomials and Euler numbers and Euler polynomials
with Tien-Xiao He, Peter Jao-Shyong Shiue
Journal of Combinatorics and Number Theory 6 (2014) no. 3.
(With S. Backman, R. Danner, C. Stephenson) Combinatorics of the Morgan model for the permutahedral and the stellohedral variety
(With J. Matherne, N. Nepal) Equivariant Chow polynomials of thagomizer matroids
Feichtner-Yuzvinsky basis and Poincare extended ab-index and equivariant extension
(With M. Concha, S. Fishel, A. Reimer-Berg) Maximal chains in the tubing lattices and Young quasisymmetric Schur functions.
(With E. Banaian, K. Celano, M. Chang-Lee, Y. L. Lee, J. Quail, P. Rombach, S. Sundaram) Cyclic sieving phenomenon on Positroids.
4/5/2025 Equivariant γ-positivity of Chow rings and augmented Chow rings of matroids (Poster), Algecom XXV, U of Minnesota, Minneapolis
2/10/2025 Equivariant γ-positivity of Chow rings and augmented Chow rings of matroids (Poster), IPAM, LA
8/22/2024 Equivariant γ-positivity of Chow rings and augmented Chow rings of matroids (invited talk), Workshop of (mostly) matroids, IBS, Korea, Video
6/26/2024 Chow rings and augmented Chow ring of uniform matroids and their q-analogs (Poster), ECCO 2024, Popayán, Colombia
4/21/2024 Stembridge codes, permutahedral varieties, and their extensions (invited), AMS Central Sectional Meeting, U of Wisconsin-Milwaukee
3/23/2024 Stembridge codes, permutahedral varieties, and their extensions (invited), AMS Southeastern Sectional Meeting, Florida State University
2/26/2024 Chow rings and augmented Chow ring of uniform matroids and their q-analogs (Poster), Sagan Festival at U of Florida
1/27/2024 Chow rings and augmented Chow ring of uniform matroids and their q-analogs (Poster), CAAC 2024 at UQAM, Montreal, Quebec
9/4/2023 (Augmented) Chow rings of (q-)uniform matroids, ICECA 2023 (virtual), Video
7/19/2023 Stembridge codes and Chow rings, FPSAC, UC Davis, Video
5/20/2023 Stembridge codes and Permutohedral varieties, Subtropic Symposium for Upcoming Mathematicians, Florida International University
3/18/2023 Stembridge codes and Permutohedral varieties, GSCC 2023, Washington University in St. Louis
7/15/2022 Stembridge codes, Chow rings of Boolean matroids, and their extensions, Summer School in Algebraic Combinatorics 2022, Kraków
6/3/2022 Stembridge codes and Permutohedral varieties, Student Symposium in Combinatorics 2022 (online), Video
4/30/2025 Pretalk & Equivariant gamma-positivities of Chow rings and augmented Chow rings of matroids, UVM Combinatorics Seminar
3/26/2025 Equivariant gamma-positivities of Chow rings and augmented Chow rings of matroids, NCSU Algebra & Combinatorics Seminar
10/28/2024 Pretalk & Equivariant gamma-positivities of Chow rings and augmented Chow rings of matroids, Algebra seminar at Georgia Tech
9/16/2024 Combinatorics of Stembridge codes, permutahedral varieties, and their extensions, Wash U Combinatorics seminar
12/27,28/2023 Short lectures: Building sets to nestohedra and Chow rings of matroids, National Taiwan Normal University
10/26/2023 Stembridge codes, Chow ring of the permutahedral variety, and their extensions, ACO seminar at Carnegie Mellon University
10/20/2023 Stembridge codes, Chow ring of the permutahedral variety, and their extensions, Combinatoric Seminar at U of Michigan
9/20/2023 Stembridge codes, Chow ring of the permutahedral variety, and their extensions, Graduate Online Combinatorics Colloquium (GOCC)
2/24/2023 The characteristic polynomial of a matroid is log-concave, Graduate student seminar at U of Miami
2/20/2023 Chow rings and augmented Chow rings of uniform matroids and their q-analogs, University of Miami Combinatoric Seminar
9/9/2022 From building sets to graph associahedra, Graduate student seminar at U of Miami
3/28/2022 Stembridge codes, Chow rings of Boolean matroids, and their extensions, University of Miami Combinatorics Seminar
9/24/2021 Classification of finite reflection groups II, Graduate student seminar at U of Miami
9/17/2021 Classification of finite reflection groups I, Graduate student seminar at U of Miami
2/14/2020 Signed Mahonian on parabolic quotients of the symmetric group, Graduate student seminar at U of Miami