Proceedings

The following extended abstracts have been accepted as talks and posters.

Talks

• Arvind Ayyer and Naren Sundaravaradan: A bijection on balanced words reversing both des and maj
• Houcine Ben Dali and Lauren Kiyomi Williams: A combinatorial formula for Interpolation Macdonald polynomials
• Sean Griffin, Anton Mellit, Marino Romero, Kevin Weigl and Joshua Jeishing Wen: A Macdonald expansion of the q-chromatic symmetric functions and the Stanley–Stembridge Conjecture
• Seamus Albion Ferlinc and Joshua Jeishing Wen: A modular $(q,t)$-Nekrasov–Okounkov formula and wreath Macdonald polynomials
• Nathan Lindzey: An Eventown Result for Permutations
• Anna Weigandt: Changing Bases with Pipe Dream Combinatorics
• Petter Brändén and Lorenzo Vecchi: Chow polynomials of totally nonnegative matrices and posets
• Sam Hopkins, Jesse Kim and Stephan Pfannerer: Cyclic sieving for staircase plane partitions via crystals and electrical networks
• Ruizhen Liu: Deligne–Lusztig varieties, toric orbifolds, and the $q$-Klyachko algebra
• Ron Adin, Sergi Elizalde, Pál Hegedüs and Yuval Roichman: Descent sets of permutations with only even or only odd cycle lengths
• Dawei Shen, Mia Smith and David E. Speyer: Electroid Varieties and the Lagrangian Grassmannian
• Xiaoyu Huang, Blake Jackson and Kyu-Hwan Lee: From Black Box to Bijection: Interpreting Machine Learning to Build a Zeta Map Algorithm
• Eric Marberg, Kam Hung Tong and Tianyi Yu: Grothendieck positivity for square root crystals
• Christopher Eur, Alex Fink and Matthew Larson: h-vectors for matroids*
• Thomas McConville, James Propp and Bruce Sagan: Hyperbinary partitions and q-deformed rationals
• Saskia K. Solotko, Katherine Tung, Mengyuan Yang and Yuchong Zhang: Multitriangulations on ciliated surfaces
• Seunghun Lee and Eran Nevo: On an extension problem on the moment curve
• Cristian Lenart, Rui Xiong and Changlong Zhong: On the Combinatorics of Schubert Calculus in Elliptic Cohomology
• Andrew Elvey Price, Emmanuel Humbert and Kilian Raschel: On the finiteness of the group associated with weighted walks in multidimensional orthants
• Matteo Parisi, Lauren Williams, Melissa Sherman-Bennett, Ran Tessler and Chaim Even-Zohar: Plabic tangles and cluster promotion maps
• Colin Defant, Yuhan Jiang, Rene Marczinzik, Adrien Segovia, David E. Speyer, Hugh Thomas and Nathan Williams: Rowmotion and Echelonmotion
• Tao Gui, Yuqi Jia, Xinkai Yu, Zhexi Zhang and Yuchen Zhu: Structure constants of Peterson Schubert calculus
• Elisabeth Bullock and Yuhan Jiang: The Ehrhart Series of Alcoved Polytopes
• Robert Angarone, Patricia Commins, Trevor Karn, Satoshi Murai, Brendon Rhoades and Andy Wilson: The superspace coinvariant ring
• Federico Ardila-Mantilla, Sergio Cristancho, Graham Denham, Christopher Eur, June Huh and Botong Wang: Tree metrics and log-concavity for matroids
• Igor Pak and Colleen Robichaux: Vanishing of Schubert coefficients in probabilistic polynomial time
• Jaewon Min: When is a Schubert variety spherical?

Posters

• Mitsuki Hanada and Raymond Oliver Chou: A descent basis for the $\Delta$-Springer module
• Michele D’Adderio and Alessio Sgubin: A Loehr-Remmel bijection in the $n \times kn$ grid
• Laura Escobar, Patricia J. Klein and Anna Weigandt: Algebra and geometry of ASM weak order
• Raj Gandhi and Ethan Partida: Algebraic cobordism rings of wonderful varieties and matroids
• Ivan Balashov, Constantine Bulavenko and Yaroslav Molybog: Asymptotics of generalized Tesler matrices
• Ron M. Adin, Yuval Roichman and Natalia Tsilevich: Asymptotics of higher Lie characters
• Neha Shailesh Goregaokar and Olivier Bernardi: Bijectivity of a generalized Pak-Stanley labeling
• Christian Gaetz and Yibo Gao: Billey-Postnikov posets
• Marie Albenque, Laurent Ménard and Nicolas Tokka: Blossoming bijection for bipartite maps: a new approach via orientations and applications to the Ising model
• Jon Pål Hamre, Benjamin Schröter, Lorenzo Vecchi and Emil Verkama: Chow classes of matroids and standard Young tableaux
• Elena Hoster and Christian Stump: Chow polynomials of simplicial posets with positive h-vector are real-rooted
• Eric Marberg: Classical double Grothendieck transitions
• Ariana Chin: Classification of Zamolodchikov periodic cluster algebras
• Oliver Clarke, Akihiro Higashitani and Francesca Zaffalon: Combinatorial Mutation Equivalence of Restricted Chain-Order Polytopes
• Spencer Backman, Richard Danner, Hsin-Chieh Liao and Crow Stephenson: Combinatorics of Leray models for permutahedral varieties and beyond
• Sara Billey, Herman Homan Chau and Kevin Liu: Commutation classes of reduced words and higher Bruhat orders for affine permutations
• Matthew Larson and Alan Stapledon: Complementary vectors of doubly Cohen-Macaulay complexes
• Daniel Hwang, Juliet Whidden and Josephine Yu: Computing parametric weighted Ehrhart polynomials of smooth polytopes
• Sergi Elizalde: Cylindric growth diagrams
• John Lentfer: Diagonal supersymmetry for coinvariant rings
• Julia Bierent, David Jordan, Matthias Vancraeynest and Monica Vazirani: Dimension of the $GL_N$ skein module of the mapping torus
• Ben Adenbaum, Spencer Daugherty and Nicholas Mayers: Dimensions of toggleability spaces
• Darij Grinberg, Tom Roby, Stephan Wagner and Mei Yin: Downs and Ups in the Weyl Algebra
• Jonathan Boretsky and Zach Walsh: Excluding a line from positroids
• Theo Douvropoulos: Extended Cyclic Sieving Phenomena
• Jose Bastidas, Sarah Brauner, Mathieu Guay-Paquet, Alejandro Morales, GaYee Park and Franco Saliola: Factorizations for the Iwahori–Hecke algebra
• Alibek Adilzhan and Damir Yeliussizov: Flagged Hamel-Goulden formulas
• Antoine Abram, Jose Bastidas, Benjamin Dequêne, Alejandro Morales, GaYee Park and Hugh Thomas: Flows on cyclic graphs, complete gentle algebras, and the Mutoperhedron.
• Avery St Dizier, Linus Setiabrata and Tianyi Yu: Generalized orthodontia, punched tableaux, and Lascoux expansion of sheared characters
• Ethan Partida and Colin Crowley: Graded Ehrhart Theory of Unimodular Zonotopes
• Zawad Chowdhury, Rekha R. Thomas and Stefan Steinerberger: Graphical Designs find Combinatorial Structures
• Jack Chou, Linus Setiabrata and Tianyi Yu: Grothendieck polynomials of fireworks and inverse fireworks permutations
• Florent Hivert, Vincent Pilaud and Ludovic Schwob: Heaps of rhombic dodecahedra, catalan congruences on alternating sign matrices, and bases of the Temperley–Lieb algebra
• Aaron Lauve and Anthony Aurthur Lazzeroni: Interpolation in Species and a lift of the Hopf algebra of r-Quasisymmetric Functions
• Nantel Bergeron, Lucas Gagnon, Hunter Spink and Vasu Tewari: Introducing the Coxeter flag variety
• Patricia Grace Commins and Benjamin Steinberg: Invariant theory for left regular bands
• Rosa Paten and Dora Woodruff: Key Positivity and Temperley-Lieb Immanants
• Joseph McDonough, Pavlo Pylyavskyy and Shiyun Wang: Kirillov–Reshetikhin dual equivalence graphs
• Andrew Sack: Lattices from Pointed Building Sets: Generalized Ornamentation Lattices
• Sota Asai, Osamu Iyama, Kaveh Mousavand and Charles Paquette: Left modular and extremal lattices through brick-directed algebras
• Spencer Backman, Galen Dorpalen-Barry, Anastasia Nathanson, Ethan Partida and Noah Prime: Line Shellings of Bergman Fans
• Nicolas Avila Ramirez, Luis Ferroni and Alejandro Morales: Luck and magic for Pitman–Stanley polytopes
• Nathan Reading and Tanvi Thummar: m is for meet congruence
• Lazar Guterman and Eran Nevo: Matroids arising from algebraic shifting
• Anastasia Nathanson: Multipermutohedral Chow rings
• Zachary Hamaker and Jesse Kim: Odd Shifted Parking Functions
• Ming Yean Lim: On asymptotics of unitriangular groups
• Timothy Russell Blanton, Jesus A. De Loera and Melissa Sherman-Bennett: On Orbit Realizations of Coxeter Permutahedra
• Yakob Kahane: On two open problems on Ehrhart polynomials of fences
• Qi Fang, Shishuo Fu, Haijun Li and Quan Yuan: Parity patterns meet Genocchi numbers: four labelings and three bijections
• Timothy Russell Blanton, Anton Dochtermann, Isabelle Hong, Suho Oh and Zhan Zhan: Parking functions and chip-firing on hypergraphs
• Jason Stack: Parking Spaces for Complex Reflection Groups
• Jehanne Dousse, Jihyeug Jang and Frederic Jouhet: Particle motion methods for Andrews–Gordon and Stanton type identities
• Colin Defant, Melissa Sherman-Bennett and Nathan Williams: Permutahedron Triangulations via Total Linear Stability and the Dual Braid Group
• Álvaro Gutiérrez, Álvaro L. Martínez, Michał Szwej and Mark Wildon: Plethystic lifts of $q$-binomial identities
• Mohammad Bardestani, Keivan Mallahi-Karai, Samrith Ram and Hadi Salmasian: Point counting on intersections of adjoint orbits with ad-nilpotent ideals over $\mathbb{F}_q$
• Siddarth Kannan and Terry Dekun Song: Pólya enumeration, wreath product symmetric functions, and moduli spaces of curves
• Rui Xiong and Yibo Gao: Positivity in triple Schubert calculus
• Hans Höngesberg, Matjaz Konvalinka and Martin Rubey: Properties of the quilt lattice
• Kieran Calvert, Aram Dermenjian, Alex Fink and Ben Smith: Quadratic exchange equations for Coxeter matroids
• Alexander E. Black and Milo James Bechtloff Weising: Saturation for Non-symmetric Macdonald Polynomials
• Guilherme Zeus Dantas e Moura and Olya Mandelshtam: Shape changing identities for permuted-basement nonsymmetric Macdonald polynomials
• Chau Nguyen, Son Nguyen and Dora Woodruff: Shuffle Tableaux, Littlewood–Richardson Coefficients, and Schur Log-Concavity
• Luis Ferroni, Alejandro Morales and Greta Panova: Skew shapes, Ehrhart positivity and beyond
• Suchakree Chueluecha and Jennifer Morse: Skew-linked Catalan functions and Genocchi numbers
• Olivier Bernardi and Jonathan J. Fang: Subgraphs Vs Orientations: infinite families of equidistributions
• Ada Mead Stelzer: Surprise polynomiality in algebraic combinatorics
• Marcus Schönfelder: The 1/4-phenomenon of placement probabilities in the Aztec diamond
• Dawei Shen and Emanuele Ventura: The ABCT Variety is a Positive Geometry
• Aram Bingham, Lisa Johnston, Colin Lawson, Rosa Orellana, Jianping Pan and Chelsea Sato: The Chromatic Symmetric Function for Unicyclic Graphs
• Aarush Vailaya and Foster Tom: The chromatic symmetric function of graphs glued at a single vertex
• Christin Bibby and Peter Ramsey: The Orlik-Solomon algebra of a locally geometric poset
• Takashi Imamura, Matteo Mucciconi, Tomohiro Sasamoto and Travis Scrimshaw: The periodic multi-layer polynuclear growth: Integrability and applications
• Sarah Brauner, Patricia Grace Commins, Darij Grinberg and Franco Saliola: The q-deformed random-to-random family in the Hecke algebra
• Jonathan Boretsky, Veronica Calvo Cortes and Yassine El Maazouz: Totally positive skew symmetric matrices
• Beth Anne Castellano, Rosa Orellana and Mike Zabrocki: Transition matrices for character bases of the symmetric group
• Igor Makhlin: Tropical cluster varieties, phylogenetic trees, and generalized associahedra
• Colin Defant, Katherine Tung, Hanna Mularczyk, Sara Billey, Clare Minnerath, Connor T. McCausland and Son Nguyen: Two Proofs of Rubey’s Lattice Conjecture
• Joshua P. Swanson, Christian Gaetz, Jessica Striker and Haihan Wu: Web bases, pocket complexes, and affine buildings
• Jesús A. De Loera, Jillian Eddy, Sawyer Jack Robertson and Jose Alejandro Samper Casas: Which Polytopes are Positively Curved?

Software Demonstrations

• Leigh Elizabeth Foster: Tilepaint: visualizations and calculations in tilings, perfect matchings, and $n$-mer covers
• Kyle Huang, Robert Lauff and Charles Zhang: UniTriSat: Unimodular Triangulations via SATISFIABILITY