Matrix product and sum rule for Macdonald polynomials

Luigi Cantini, Jan DeGier and Michael Wheeler

Cyclic inclusion-exclusion and the kernel of P-partitions

Valentin Féray

A non-partitionable Cohen-Macaulay simplicial complex

Art Duval, Bennet Goeckner, Caroline Klivans and Jeremy Martin

The generalized Gelfand--Graev characters of $\mathrm{GL}_n(\mathbb{F}_q)$ (extended abstract)

Scott Andrews, and Nathaniel Thiem

Counting quadrant walks via Tutte's invariant method

Olivier Bernardi, Mireille Bousquet-Mélou and Kilian Raschel

Compatibility fans realizing graphical nested complexes

Thibault Manneville and Vincent Pilaud

The facial weak order in finite Coxeter groups

Aram Dermenjian, Christophe Hohlweg and Vincent Pilaud

Factorial Characters and Tokuyama's Identity for Classical Groups

Angele Hamel and Ronald King

A combinatorial approach to Macdonald q,t-symmetry via the Carlitz bijection

Maria Gillespie

Tropical Ideals

Diane Maclagan and Felipe Rincón

Dual Immaculate Quasisymmetric Functions Expand Positively into Young Quasisymmetric Schur Functions

Edward Allen, Joshua Hallam and Sarah Mason

Combinatorial description of the cohomology of the affine flag variety

Seungjin Lee

The Smith normal form distribution of a random integer matrix

Yinghui Wang and Richard Stanley

A triple product formula for plane partitions derived from biorthogonal polynomials

Shuhei Kamioka

The twist for positroids

Greg Muller and David Speyer

Monodromy and K-theory of Schubert curves via generalized jeu de taquin

Maria Gillespie and Jake Levinson

Staircase diagrams and the enumeration of smooth Schubert varieties

Edward Richmond and William Slofstra

Asymptotics of Bivariate Analytic Functions with Algebraic Singularities

Torin Greenwood

Diagonally and antidiagonally symmetric alternating sign matrices of odd order

Roger Behrend, Ilse Fischer and Matjaz Konvalinka

Cataland: Why the Fuss?

Christian Stump, Hugh Thomas and Nathan Williams

Refined dual stable Grothendieck polynomials and generalized Bender-Knuth involutions

Pavel Galashin, Darij Grinberg and Gaku Liu

Relaxations of the matroid axioms I: Independence, Exchange and Circuits

Jose Samper

Rhombic alternative tableaux, assembl\'{e}es of permutations, and the ASEP

Olya Mandelshtam and Xavier Viennot

Counting connected graphs with large excess

Élie de Panafieu

Quasi-isomorphisms of cluster algebras and the combinatorics of webs

Chris Fraser

Affine type A geometric crystal structure on the Grassmannian

Gabriel Frieden

A bijective proof of Macdonald's reduced word formula

Benjamin Young, Sara Billey and Alexander Holroyd

Order Filter Model for Minuscule Plucker Relations

David Lax

Rectangular Young tableaux and the Jacobi ensemble

Philippe Marchal

Schur-positivity via products of grid classes

Sergi Elizalde and Yuval Roichman

Brick polytopes, lattices and Hopf algebras

Vincent Pilaud

Almost simplicial polytopes: the lower and upper bound theorems

Eran Nevo, Guillermo Pineda-Villavicencio, Julien Ugon and David Yost

A two-sided analogue of the Coxeter complex

Kyle Petersen

Symmetric Chain Decompositions and the Strong Sperner Property for Noncrossing Partition Lattices

Henri Mühle

Asymptotics of lattice walks via analytic combinatorics in several variables

Stephen Melczer and Mark C. Wilson

New hook-content formulas for strict partitions (extended abstract)

Guo-Niu Han and Huan Xiong

Separation of Variables and the Computation of Fourier Transforms on Finite Groups, II

David Maslen, Daniel Rockmore and Sarah Wolff

A Formula for the Möbius Function of the Permutation Poset Based on a Topological Decomposition

Jason Smith

Schur polynomials and matrix positivity preservers

Alexander Belton, Dominique Guillot, Apoorva Khare and Mihai Putinar

From generalized Tamari intervals to non-separable planar maps (extended abstract)

Wenjie Fang and Louis-François Préville-Ratelle

On intervals of the consecutive pattern poset

Sergi Elizalde and Peter R. W. McNamara

A noncommutative geometric LR rule

Vasu Tewari, Steph van Willigenburg and Edward Richmond

On trees, tanglegrams, and tangled chains

Sara Billey, Matjaz Konvalinka and Frederick Matsen

Slicings of parallelogram polyominoes, or how Baxter and Schroder can be reconciled

Mathilde Bouvel, Veronica Guerrini and Simone Rinaldi

Fourientation activities and the Tutte polynomial: Extended abstract

Spencer Bachman, Sam Hopkins, and Lorenzo Traldi

A bijection for nonorientable bipartite maps

Jeremie Bettinelli

Maximal green sequences for arbitrary triangulations of marked surfaces

Matthew Mills

Rational Shi tableaux and the skew length statistic

Robin Sulzgruber

On (non-) freeness of some tridendriform algebras

vincent vong

Cumulants of Jack symmetric functions and $b$-conjecture (extended abstract)

Maciej Dołęga and Valentin Féray

Elliptic rook and file numbers

Michael Schlosser and Meesue Yoo

Scheduling Problems and Generalized Graph Coloring

John Machacek

GL(n, q)-analogues of factorization problems in the symmetric group

Joel Lewis and Alejandro Morales

Normal Supercharacter Theory

Farid Aliniaeifard

Decomposition of the product of a monomial and a Demazure atom

Anna, Ying Pun

A type B analog of the Lie representation

Andrew Berget

Symmetric matrices, Catalan paths, and correlations

Bernd Sturmfels, Emmanuel Tsukerman, and Lauren Williams

Oriented flip graphs and noncrossing tree partitions

Alexander Garver and Thomas McConville

An equivalence of multistatistics on permutations

Arthur Nunge

A Hopf algebra of subword complexes (Extended abstract)

nantel bergeron and Cesar Ceballos

The number of corner polyhedra graphs

Clément Dervieux, Dominique Poulalhon and Gilles Schaeffer

Symmetric Fundamental Expansions to Schur Positivity

Austin Roberts

Links in the complex of weakly separated collections(Extended Abstract)

Suho Oh and David Speyer

Partially Magic Labelings and the Antimagic Graph Conjecture

Matthias Beck and Maryam Farahmand

Asymptotic laws for knot diagrams

Harrison Chapman

On q-integrals over order polytopes

Jang soo Kim and Dennis Stanton

Total positivity for the Lagrangian Grassmannian

Rachel Karpman

The colored symmetric and exterior algebras

Rafael González D'León

McKay Centralizer Algebras

Thomas Halverson and Georgia Benkart

Intersections of Amoebas

Martina Juhnke-Kubitzke and Timo de Wolff

A combinatorial analysis of Severi degrees

Fu Liu

Yang-Baxter basis of Hecke algebra and Casselman's problem (extended abstract)

Maki Nakasuji and Hiroshi Naruse

Non-representable hyperbolic matroids

Nima Amini and Petter Brändén

Krasiewicz-Pragacz modules and Pieri and dual Pieri rules for Schubert polynomials

Masaki Watanabe

Minimal factorizations of a cycle: a multivariate generating function

Philippe Biane and Matthieu Josuat-Vergès

The Delta Conjecture

James Haglund, Jeffrey Remmel and Andrew Wilson

Strange Expectations

Marko Thiel and Nathan Williams

Fully packed loop configurations: polynomiality and nested arches

Florian Aigner

Extending the weak order on Coxeter groups

François Viard

Combinatorial descriptions of the crystal structure on certain PBW bases

Ben Salisbury, Adam Schultze and Peter Tingley

Asymptotics of polygons in restricted geometries subject to a force

Nicholas R. Beaton, Christine E. Soteros and Jeremy Eng

Non-ambiguous trees: new results and generalization

Jean-Christophe Aval, Adrien Boussicault, Bérénice Delcroix-Oger, Florent Hivert and Patxi Laborde Zubieta

Matrix-Ball Construction of affine Robinson-Schensted correspondence

Michael Chmutov, Pavlo Pylyavskyy and Elena Yudovina

Defining amplituhedra and Grassmann polytopes

Steven Karp

The Mixing Time for a Random Walk on the Symmetric Group Generated by Random Involutions

Megan Bernstein

The flag upper bound theorem for 3- and 5-manifolds

Hailun Zheng

Weak Separation, Pure Domains and Cluster Distance

Miriam Farber and Pavel Galashin

Quasisymmetric functions from combinatorial Hopf monoids and Ehrhart Theory

Jacob White

A lattice point counting generalisation of the Tutte polynomial.

Amanda Cameron and Alex Fink

Some results on counting roots of polynomials and the Sylvester resultant.

Michael Monagan and Baris Tuncer

Hyperplane arrangements and stopping times.

Evita Nestoridi

Noncrossing partitions, toggles, and homomesies

David Einstein, Miriam Farber, Emily Gunawan, Michael Joseph, Matthew Macauley, James Propp and Simon Rubinstein-Salzedo

Continued Classification of 3D Lattice Models in the Positive Octant

Axel Bacher, Manuel Kauers and Rika Yatchak

DHD-puzzles

Sabine Beil

Plane partitions and the combinatorics of some families of reduced Kronecker coefficients.

Laura Colmenarejo

Resonance in orbits of plane partitions

Kevin Dilks, Oliver Pechenik and Jessica Striker

Hook-length formulas for skew shapes

Alejandro Morales, Igor Pak and Greta Panova

The Prism tableau model for Schubert polynomials

Anna Weigandt and Alexander Yong

Parking functions, tree depth and factorizations of the full cycle into transpositions

John Irving and Amarpreet Rattan

A dual approach to structure constants for K-theory

Pat Shields, Jennifer Morse and Huilan Li

Toric matrix Schubert varieties and root polytopes (extended abstract)

Laura Escobar and Karola Meszaros

The configuration space of a robotic arm in a tunnel of width 2.

Federico Ardila, Hanner Bastidas, Cesar Ceballos and John Guo

Parabolic double cosets in Coxeter groups

Sara Billey, Matjaz Konvalinka, T. Kyle Peterson, William Slofstra and Bridget Tenner

Rational Dyck Paths in the Non Relatively Prime Case

Eugene Gorsky, Mikhail Mazin and monica vazirani

The topology of the external activity complex of a matroid.

Federico Castillo, Jose Samper and Federico Ardila

Categorifying the tensor product of the Kirillov-Reshetikhin crystal $B^{1,1} $ and a fundamental crystal

Henry Kvinge and Monica Vazirani