Selected research papers

Dynamical algebraic combinatorics
 Symmetry of Narayana numbers and rowvacuation of root posets, with Colin Defant. Forum of Mathematics, Sigma, 9, 2021.
 The birational LalanneKreweras involution, with Michael Joseph. Preprint, 2020, arXiv:2012.15795. To appear in Algebraic Combinatorics.
 Order polynomial product formulas and poset dynamics. Preprint, 2020, arXiv:2006.01568. For the AMS volume on Open Problems in Algebraic Combinatorics, to accompany the 2022 conference at UMN.
 Promotion of Kreweras words, with Martin Rubey. Selecta Mathematica (N.S.) 28(1), 2022.
 Cyclic sieving for plane partitions and symmetry. SIGMA Symmetry Integrability Geom. Methods Appl., 16, 2020.

Enumeration of plane partitions
 On the qenumeration of barely setvalued tableaux and plane partitions, with Alexander Lazar and Svante Linusson. Preprint, 2021, arXiv:2106.07418.
 Plane partitions of shifted double staircase shape, with Tri Lai. Journal of Combinatorial Theory, Series A, 183, 2021.

Expectations of combinatorial statistics
 Homomesy via toggeleability statistics, with Colin Defant, Svetlana Poznanović, and James Propp. Preprint, 2021, arxiv:2108.13227.
 Minuscule doppelgängers, the coincidental downdegree expectations property, and rowmotion. Preprint, 2019, arXiv:1902.07301. To appear in Experimental Mathematics.
 The CDE property for skew vexillary permutations. Journal of Combinatorial Theory, Series A, 168, 2019.
 The CDE property for minuscule lattices. Journal of Combinatorial Theory, Series A, 152, 2017.
 The expected jaggedness of order ideals, with Melody Chan, Shahrzad Haddadan, and Luca Moci. Forum of Mathematics, Sigma, 5, 2017.
 A note on statistical averages for oscillating tableaux, with Ingrid Zhang. Electronic Journal of Combinatorics, 22(2), 2015.

Labeled chipfiring and root system chipfiring
 A positive formula for the Ehrhartlike polynomials from root system chipfiring, with Alexander Postnikov. Algebraic Combinatorics, 2(6), 2019.
 Root system chipfiring II: Centralfiring, with Pavel Galashin, Thomas McConville, and Alexander Postnikov. International Mathematics Research Notices, 2021, no. 13.
 Root system chipfiring I: Intervalfiring, with Pavel Galashin, Thomas McConville, and Alexander Postnikov. Mathematische Zeitschrift, 292(34), 2019.
 Sorting via chipfiring, with Thomas McConville and James Propp. Electronic Journal of Combinatorics, 24(3), 2017.

Graph orientations and the Tutte polynomial
 Fourientation activities and the Tutte polynomial, with Spencer Backman and Lorenzo Traldi. European Journal of Combinatorics, 67, 2018.
 Fourientations and the Tutte polynomial, with Spencer Backman. Research in the Mathematical Sciences, 4, 2017.

Parking functions
 Parking functions and tree inversions revisited, with Petar Gaydarov. Advances in Applied Mathematics, 80, 2016.
 Bigraphical arrangements, with David Perkinson. Transactions of the American Mathematical Society, 368(1), 2016.
Talk slides & other miscellanea
 Slides from my 2022 talk on the enumeration of barely setvalued tableaux and plane partitions at the George Washington U. combinatorics & algebra seminar.
 Slides from my 2021 talk on promotion, webs, and plabic graphs at the BIRS workshop on dynamical algebraic combiantorics.
 Crux  The Last Problem: Demystified, an expository article for the problem journal Crux Mathematicorum contextualizing a problem from their June 2021 issue.
 Slides from my 2021 talk on piecewise linear & birational involutions on Dyck paths at the Howard University mathematics colloquium.
 Slides from my 2020 talk on order polynomial product formulas and poset dynamics at the University of Minnesota combinatorics seminar.
 Slides from my 2018 talk on root system chipfiring at FPSAC, Dartmouth.
 Problems from the 2015 CMOBIRS sandpile workshop.
 Notes from the 2015 AIM workshop on dynamical algebraic combinatorics.
 Slides from my 2014 talk on bigraphical arrangements at FPSAC, Chicago.
 RSK via local transformations, an expository article based on MIT combinatorics preseminar presentations of Alex Postnikov, 2014.
 Problems from the 2013 AIM workshop on chipfiring.
Open access journals in combinatorics
There are several online, open access journals in combinatorics. I especially like:
 The Electronic Journal of Combinatorics
 Algebraic Combinatorics ("flipped" from Journal of Algebraic Combinatorics)
 Combinatorial Theory ("flipped" from Journal of Combinatorial Theory: Series A)