Proceedings

The following papers have been accepted as talks, posters (presenters are emphasized).

Talks

• Christian Gaetz: Bruhat interval polytopes, 1-skeleton lattices, and smooth torus orbit closures (Extended abstract)
• Wenjie Fang: Bijections between planar maps and planar linear normal $\lambda$-terms with connectivity condition (Extended abstract)
• Hadrien Notarantonio and Sergey Yurkevich: Effective algebraicity for solutions of systems of functional equations with one catalytic variable (Extended abstract)
• Colin Defant and Pakawut Jiradilok: Triangular-Grid Billiards and Plabic Graphs (Extended abstract)
• Joel Lewis and Eric Marberg: Combinatorial formulas for shifted dual stable Grothendieck polynomials (Extended abstract)
• Andrew Berget, Christopher Eur, Hunter Spink and Dennis Tseng: Tautological classes of matroids (Extended abstract)
• Byung-Hak Hwang: Chromatic quasisymmetric functions and noncommutative $P$-symmetric functions (Extended abstract)
• Amanda Burcroff: Compact Hyperbolic Coxeter $d$-Polytopes with $d+4$ Facets and Related Dimension Bounds (Extended abstract)
• Federico Ardila-Mantilla, Christopher Eur and Raul Penaguiao: The Tropical Critical Points of an Affine Matroid (Extended abstract)
• Andrei Asinowski, Cyril Banderier and Sarah J. Selkirk: From Kreweras to Gessel: A walk through patterns in the quarter plane (Extended abstract)
• Houcine Ben Dali and Maciej Dolega: Jack characters as generating series of bipartite maps and proof of Lassalle's conjecture (Extended abstract)
• Luis Ferroni, Jacob P. Matherne, Matthew Stevens and Lorenzo Vecchi: Hilbert--Poincare series of matroid Chow rings and intersection cohomology (Extended abstract)
• Shashank Kanade: On the $A_2$ Andrews-Schilling-Warnaar identities (Extended abstract)
• Christian Ikenmeyer, Igor Pak and Greta Panova: Positivity of the symmetric group characters is as hard as the polynomial time hierarchy (Extended abstract)
• Chaim Even-Zohar, Tsviqa Lakrec and Ran J. Tessler: The BCFW Tiling of the Amplituhedron (Extended abstract)
• Richard Ehrenborg, Sophie Morel and Margaret Readdy: Pizza and $2$-Structures (Extended abstract)
• Ben Knudsen and Eric Ramos: Robertson's Conjecture in Algebraic Topology (Extended abstract)
• Markus Reineke, Brendon Rhoades and Vasu Tewari: Divisors, orbit harmonics, and DT invariants (Extended abstract)
• Sofía Garzón Mora and Christian Haase: Fine Polyhedral Adjunction Theory (Extended abstract)
• Olya Mandelshtam, Arvind Ayyer and James B. Martin: The multispecies zero range process and modified Macdonald polynomials (Extended abstract)
• Theo Douvropoulos and Matthieu Josuat-Vergès: Recursions and Proofs in Cataland (Extended abstract)
• Donghyun Kim, Seung Jin Lee and Jaeseong Oh: Towards Butler's conjecture (Extended abstract)
• Nicolle Gonzalez, Monica Vazirani and Jose Simental: Semistandard Parking Functions and a Finite Shuffle Theorem (Extended abstract)
• Jonah Blasiak, Mark Haiman, Jennifer Morse, Anna Pun and George Seelinger: A Catalanimal formula for Macdonald polynomials (Extended abstract)
• Shiyue Li: Equivariant log-concavity of independence sequences of claw-free graphs (Extended abstract)
• Hsin-Chieh Liao: Stembridge codes and Chow rings (Extended abstract)
• Allen Knutson and Gabe Udell: Interpolating between ordinary and bumpless pipe dreams (Extended abstract)

Poster session I

• Colin Defant and Nathan Williams: Pop, Crackle, Snap (and Pow): Some Facets of Shards (Extended abstract) (Poster)
• Nicholas Williams: Studying Triangulations of Even-Dimensional Cyclic Polytopes via Directed Graphs (Extended abstract) (Poster)
• Jesus A. De Loera and William J. Wesley: An Algebraic Perspective on Ramsey Numbers (Extended abstract) (Poster)
• Yasuhide Numata, Yusuke Takahashi and Dai Tamaki: Faces of Directed Edge Polytopes (Extended abstract)
• Margaret Bayer, Mark Denker, Marija Jelic Milutinovic, Sheila Sundaram, Rowan Rowlands and Lei Xue: On the Topology of Cut Complexes of Graphs (Extended abstract)
• Christian Gaetz, Oliver Pechenik, Stephan Pfannerer, Jessica Striker and Joshua Swanson: An $SL_4$-Web Basis from Hourglass Plabic Graphs (Extended abstract) (Poster)
• Jia Huang and Erkko Lehtonen: The Associative-Commutative Spectrum of a Binary Operation (Extended abstract) (Poster)
• Christian Gaetz and Yibo Gao: Automorphisms of Undirected Bruhat graphs (Extended abstract)
• Sami Assaf, Nicolle Gonzalez and Anne Dranowski: Extremal tensor products of Demazure crystals are direct sums of Demazure crystals (Extended abstract)
• Denys Bulavka, Eran Nevo and Yuval Peled: Volume Rigidity and Algebraic Shifting (Extended abstract) (Poster)
• Sarah Brauner, Patricia Grace Commins and Victor Reiner: Invariant theory for the free left-regular band and a q-analogue (Extended abstract) (Poster)
• Ben Adenbaum and Sergi Elizalde: Rowmotion on 321-avoiding permutations (Extended abstract)
• Chengyang Wang, Nathan Kaplan, Jesus Antonio De Loera and Laura Escobar: Sums of Weighted Lattice Points of Polytopes (Extended abstract)
• Nathan Reading and Laura G. Brestensky: Noncrossing partitions of an annulus (Extended abstract) (Poster)
• Joseph Pappe, Stephan Pfannerer, Anne Schilling and Mary Claire Simone: Promotion for fans of Dyck paths (Extended abstract) (Poster)
• Loïc Le Mogne and Viviane Pons: Deficit and $(q,t)$-symmetry in triangular Dyck paths (Extended abstract)
• Andrew Sack: A Realization of Poset Associahedra (Extended abstract) (Poster)
• Jiyang Gao, Shiliang Gao and Yibo Gao: Balanced Shifted Tableaux (Extended abstract)
• Mark Skandera and Daniel Soskin: Barrett-Johnson Inequalities for Totally Nonnegative Matrices (Extended abstract) (Poster)
• Byung-Hak Hwang, Jihyeug Jang, Jang soo Kim, Minho Song and U-keun Song: Refined canonical stable Grothendieck polynomials and their duals (Extended abstract) (Poster)
• Nantel Bergeron, Kelvin Chan, Farhad Soltani and Mike Zabrocki: Quasisymmetric harmonics of the exterior algebra (Extended abstract) (Poster)
• (Cancelled) Philippe Nadeau and Vasu Tewari: $[Perm_n]$ via $QSym_n^+$ (Extended abstract)
• Dan Betea, Travis Scrimshaw and Anton Nazarov: Limit shapes for skew Howe duality (Extended abstract)
• (Cancelled) Carolina Benedetti, Nantel Bergeron, Laura Colmenarejo, Franco Saliola and Frank Sottile: A Murnaghan-Nakayama rule for quantum cohomology of the flag manifold (Extended abstract)
• Cristina M. Ballantine, Hannah E. Burson, William Craig, Amanda Folsom and Boya Wen: Hook Length Bias in Odd versus Distinct Partitions (Extended abstract) (Poster)
• Foster Tom: Horizontal-strip LLT polynomials (Extended abstract) (Poster)
• Jinting Liang, Bruce Sagan and Yan Zhuang: Cyclic shuffle-compatibility and cyclic quasisymmetric functions (Extended abstract)
• Zajj Daugherty and Arun Ram: Set-valued tableaux for Macdonald polynomials (Extended abstract)
• Matthias Beck, Danai Deligeorgaki, Max Hlavacek and Jeronimo Valencia-Porras: Inequalities for f*-vectors of Lattice Polytopes (Extended abstract) (Poster)
• Daniel Corey and Dante Luber: Degenerations of the Grassmannian via matroidal subdivisions of the hypersimplex (Extended abstract)
• Colleen Robichaux: Castelnuovo-Mumford Regularity for 321-Avoiding Kazhdan-Lusztig Varieties (Extended abstract) (Poster)
• Darij Grinberg and Ekaterina Vassilieva: The algebra of extended peaks (Extended abstract)

Poster session II

• Sergi Elizalde: The distribution of descents on nonnesting permutations (Extended abstract) (Poster)
• Darij Grinberg and Tom Roby: Birational rowmotion over noncommutative rings (Extended abstract) (Poster)
• Daniel Orr, Mark Shimozono and Joshua Jeishing Wen: Wreath Macdonald operators (Extended abstract) (Poster)
• Edward Richmond, Mihail Tarigradschi and Weihong Xu: The isomorphism problem for cominuscule Schubert varieties (Extended abstract)
• Colin Defant and Dominic Searles: 0-Hecke Modules, Quasisymmetric Functions, and Peak Functions in type B (Extended abstract)
• Young-Hun Kim and Semin Yoo: Modules of the 0-Hecke algebras for genomic Schur functions (Extended abstract) (Poster)
• Alejandro Morales, Greta Panova and GaYee Park: Minimal skew semistandard Young tableaux and the Hillman-Grassl correspondence (Extended abstract)
• Milo Bechtloff Weising: Stable-Limit Non-symmetric Macdonald Functions in Type A (Extended abstract) (Poster)
• Noemie Cartier: Acyclic pipe dreams, subword complexes and lattice quotients of weak order intervals (Extended abstract) (Poster)
• Edward Allen and Sarah Mason: A combinatorial interpretation of the noncommutative inverse Kostka matrix (Extended abstract) (Poster)
• Jonathan Boretsky, Christopher Eur and Lauren Williams: Polyhedral and Tropical Geometry of Flag Positroids (Extended abstract)
• Natasha Blitvic, Mohamed Slim Kammoun and Einar Steingrimsson: A new Perspective on Positivity in (Consecutive) Permutation Patterns (Extended abstract)
• Eugene Gorsky, Mikhail Mazin and Alexei Oblomkov: Generic curves and non-coprime Catalans (Extended abstract) (Poster)
• Roger E. Behrend, Federico Castillo, Anastasia Chavez, Alexander Diaz-Lopez, Laura Escobar, Pamela Harris and Erik Insko: Partial Permutohedra (Extended abstract)
• Maria Gillespie and Sean Griffin: A cocharge formula for the Delta-Springer modules (Extended abstract) (Poster)
• Eric Marberg and Travis Scrimshaw: Shifted key polynomials (Extended abstract)
• Ezgi Kantarcı Oğuz, Cem Yalım Özel and Mohan Ravichandran: Chainlink Polytopes (Extended abstract)
• David Wahiche: Combinatorial interpretations of the Macdonald identities for affine root systems (Extended abstract) (Poster)
• Ilse Fischer, Hans Höngesberg and Florian Schreier-Aigner: Alternating Sign Matrices and Descending Plane Partitions: a linear number of equivalent statistics (Extended abstract) (Poster)
• Maria Gillespie and Andrew Reimer-Berg: A Generalized RSK for Enumerating Linear Series on $n$-pointed Curves (Extended abstract) (Poster)
• Lucas Gagnon: A unipotent realization of the chromatic quasisymmetric function (Extended abstract) (Poster)
• Daoji Huang and Jessica Striker: A pipe dream perspective on totally symmetric self-complementary plane partitions (Extended abstract)
• Jesse Kim: An embedding of the skein action on set partitions into the skein action on matchings (Extended abstract)
• (Cancelled) Leonid Monin and Evgeny Smirnov: Polyhedral models for K-theory of toric and flag varieties (Extended abstract)
• Logan Crew, Oliver Pechenik and Sophie Spirkl: The Kromatic Symmetric Function: A $K$-theoretic analogue of $X_G$ (Extended abstract) (Poster)
• Sam Armon: Foata-like bijections and science fiction (Extended abstract) (Poster)
• Sylvester W. Zhang, Gregg Musiker and Nicholas Ovenhouse: Double Dimers and Super Ptolemy Relations (Extended abstract)
• William T. Dugan, Maura Hegarty, Alejandro Morales and Annie Raymond: Generalized Pitman-Stanley flow polytopes (Extended abstract)
• Cesar Ceballos and Clement Cheneviere: On linear intervals in the alt $\nu$-Tamari lattices (Extended abstract) (Poster)
• Kyle Celano: RSK for 3-free posets (Extended abstract) (Poster)
• Grant Barkley and Christian Gaetz: Combinatorial invariance for lower intervals using hypercube decompositions (Extended abstract) (Poster)

Software demonstrations

• Benjamin Hackl, Andrew Luo, Stephen Melczer, Jesse Selover and Elaine Wong: Rigorous analytic combinatorics in several variables in SageMath (Extended abstract)
• Alexander Grosz, Tobias Kietreiber, Stephan Pfannerer and Martin Rubey: The bijectionist's toolkit (Extended abstract)