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
• Wenjie Fang: Bijections between planar maps and planar linear normal $\lambda$-terms with connectivity condition (extended abstract)
• Sami Assaf, Nicolle Gonzalez and Anne Dranowski: Extremal tensor products of Demazure crystals are direct sums of Demazure crystals
• Hadrien Notarantonio and Sergey Yurkevich: Effective algebraicity for solutions of systems of functional equations with one catalytic variable
• Colin Defant and Pakawut Jiradilok: Triangular-Grid Billiards and Plabic Graphs
• Joel Lewis and Eric Marberg: Combinatorial formulas for shifted dual stable Grothendieck polynomials
• Andrew Berget, Christopher Eur, Hunter Spink and Dennis Tseng: Tautological classes of matroids
• Byung-Hak Hwang: Chromatic quasisymmetric functions and noncommutative $P$-symmetric functions
• Amanda Burcroff: Compact Hyperbolic Coxeter $d$-Polytopes with $d+4$ Facets and Related Dimension Bounds
• Federico Ardila, Christopher Eur and Raul Penaguiao: The maximum likelihood degree of a matroid
• Andrei Asinowski, Cyril Banderier and Sarah J. Selkirk: From Kreweras to Gessel: A walk through patterns in the quarter plane.
• Houcine Ben Dali and Maciej Dolega: Jack characters as generating series of bipartite maps and proof of Lassalle's conjecture
• Luis Ferroni, Jacob P. Matherne, Matthew Stevens and Lorenzo Vecchi: Hilbert--Poincare series of matroid Chow rings and intersection cohomology
• Shashank Kanade: On the $A_2$ Andrews-Schilling-Warnaar identities
• Christian Ikenmeyer, Igor Pak and Greta Panova: Positivity of the symmetric group characters is as hard as the polynomial time hierarchy
• Chaim Even-Zohar, Tsviqa Lakrec and Ran J. Tessler: The BCFW Tiling of the Amplituhedron
• Ben Knudsen and Eric Ramos: Robertson's Conjecture in Algebraic Topology
• Markus Reineke, Brendon Rhoades and Vasu Tewari: Divisors, orbit harmonics, and DT invariants
• Sofía Garzón Mora and Christian Haase: Fine Polyhedral Adjunction Theory
• Olya Mandelshtam, Arvind Ayyer and James B. Martin: The multispecies zero range process and modified Macdonald polynomials
• Theo Douvropoulos and Matthieu Josuat-Vergès: Recursions and Proofs in Cataland
• Donghyun Kim, Seung Jin Lee and Jaeseong Oh: Towards Butler's conjecture
• Nicolle Gonzalez, Monica Vazirani and Jose Simental: Higher Rank Rational (q,t)-Catalan Polynomials and a Finite Shuffle Theorem
• Jonah Blasiak, Mark Haiman, Jennifer Morse, Anna Pun and George Seelinger: A Catalanimal formula for Macdonald polynomials
• Shiyue Li: Equivariant log-concavity of independence sequences of claw-free graphs
• Hsin-Chieh Liao: Stembridge codes and Chow rings
• Allen Knutson and Gabe Udell: Interpolating between ordinary and bumpless pipe dreams

Posters

• Sergi Elizalde: The distribution of descents on nonnesting permutations
• Colin Defant and Nathan Williams: Pop, Crackle, Snap (and Pow): Some Facets of Shards
• Nicholas Williams: Studying triangulations of even-dimensional cyclic polytopes via quivers
• Jesus A. De Loera and William J. Wesley: An Algebraic Perspective on Ramsey Numbers
• Yasuhide Numata, Yusuke Takahashi and Dai Tamaki: Faces of Directed Edge Polytopes
• Margaret Bayer, Mark Denker, Marija Jelic Milutinovic, Sheila Sundaram, Rowan Rowlands and Lei Xue: On the Topology of Cut Complexes of Graphs
• Christian Gaetz, Oliver Pechenik, Stephan Pfannerer, Jessica Striker and Joshua Swanson: An $SL_4$-web basis from hourglass plabic graphs
• Jia Huang and Erkko Lehtonen: The associative-commutative spectrum of a binary operation
• Christian Gaetz and Yibo Gao: Automorphisms of undirected Bruhat graphs
• Denys Bulavka, Eran Nevo and Yuval Peled: Volume rigidity and algebraic shifting
• Sarah Brauner, Patricia Grace Commins and Victor Reiner: Invariant theory for the free left-regular band and a q-analogue
• Ben Adenbaum and Sergi Elizalde: Rowmotion on 321-avoiding permutations
• Chengyang Wang, Nathan Kaplan, Jesus Antonio De Loera and Laura Escobar: Sums of Weighted Lattice Points of Polytopes
• Nathan Reading and Laura G. Brestensky: Noncrossing partitions of an annulus
• Joseph Pappe, Stephan Pfannerer, Anne Schilling and Mary Claire Simone: Promotion for fans of Dyck paths
• Loïc Le Mogne and Viviane Pons: Deficit and (q, t)-symmetry in triangular Dyck paths
• Andrew Sack: A Realization of Poset Associahedra
• Jiyang Gao, Shiliang Gao and Yibo Gao: Balanced Shifted Tableaux
• Mark Skandera and Daniel Soskin: Barrett-Johnson Inequalities for Totally Nonnegative Matrices
• Byung-Hak Hwang, Jihyeug Jang, Jang soo Kim, Minho Song and U-keun Song: Refined canonical stable Grothendieck polynomials and their duals
• Nantel Bergeron, Kelvin Chan, Farhad Soltani and Mike Zabrocki: Quasisymmetric harmonics of the exterior algebra
• Philippe Nadeau and Vasu Tewari: $[Perm_n]$ via $QSym_n^+$
• Dan Betea, Travis Scrimshaw and Anton Nazarov: Limit shapes for skew Howe duality
• Carolina Benedetti, Nantel Bergeron, Laura Colmenarejo, Franco Saliola and Frank Sottile: A Murnaghan-Nakayama rule for quantum cohomology of the flag manifold
• Cristina M. Ballantine, Hannah E. Burson, William Craig, Amanda Folsom and Boya Wen: On the Number of Hooks of Fixed Length in Odd versus Distinct Partitions
• Foster Tom: Horizontal-strip LLT polynomials
• Jinting Liang, Bruce Sagan and Yan Zhuang: Cyclic shuffle-compatibility and cyclic quasisymmetric functions
• Zajj Daugherty and Arun Ram: Set-valued tableaux for Macdonald polynomials
• Matthias Beck, Danai Deligeorgaki, Max Hlavacek and Jeronimo Valencia-Porras: Inequalities for f*-vectors of Lattice Polytopes
• Daniel Corey and Dante Luber: Degenerations of the Grassmannian via matroidal subdivisions of the hypersimplex
• Colleen Robichaux: An algorithm for the Castelnuovo-Mumford regularity of 321-avoiding Kazhdan-Lusztig ideals
• Darij Grinberg and Ekaterina Vassilieva: The algebra of extended peaks
• Richard Ehrenborg, Sophie Morel and Margaret Readdy: Pizza and $2$-structures
• Darij Grinberg and Tom Roby: Birational rowmotion over noncommutative rings
• Daniel Orr, Mark Shimozono and Joshua Jeishing Wen: Wreath Macdonald operators
• Edward Richmond, Mihail Tarigradschi and Weihong Xu: The isomorphism problem for cominuscule Schubert varieties
• Colin Defant and Dominic Searles: 0-Hecke Modules, Quasisymmetric Functions, and Peak Functions in type B
• Young-Hun Kim and Semin Yoo: Modules of the 0-Hecke algebras for genomic Schur functions
• Alejandro Morales, Greta Panova and GaYee Park: Minimal skew semistandard Young tableaux and the Hillman-Grassl correspondence
• Milo Bechtloff Weising: Stable-Limit Non-symmetric Macdonald Functions in Type A
• Noemie Cartier: Acyclic pipe dreams, subword complexes and lattice quotients of weak order intervals
• Edward Allen and Sarah Mason: A combinatorial interpretation of the noncommutative inverse Kostka matrix
• Jonathan Boretsky, Christopher Eur and Lauren Williams: Polyhedral and Tropical Geometry of Flag Positroids
• Natasha Blitvic, Mohamed Slim Kammoun and Einar Steingrimsson: Consecutive permutation patterns, point processes, and moment sequences
• Eugene Gorsky, Mikhail Mazin and Alexei Oblomkov: Generic curves and non-coprime Catalans
• Roger E. Behrend, Federico Castillo, Anastasia Chavez, Alexander Diaz-Lopez, Laura Escobar, Pamela Harris and Erik Insko: Partial Permutohedra
• Maria Gillespie and Sean Griffin: A cocharge formula for the Delta-Springer modules
• Eric Marberg and Travis Scrimshaw: Shifted key polynomials
• Ezgi Kantarcı Oguz, Mohan Ravichandran and Cem Yalım Özel: Chainlink Polytopes
• David Wahiche: Combinatorial interpretations of the Macdonald identities for affine root systems
• Ilse Fischer, Hans Höngesberg and Florian Schreier-Aigner: Alternating Sign Matrices and Descending Plane Partitions: a linear number of equivalent statistics
• Maria Gillespie and Andrew Reimer-Berg: A Generalized RSK for Enumerating Linear Series on $n$-pointed Curves
• Lucas Gagnon: A unipotent realization of the chromatic quasisymmetric function
• Daoji Huang and Jessica Striker: A pipe dream perspective on totally symmetric self-complementary plane partitions
• Jesse Kim: An embedding of the skein action on set partitions into the skein action on matchings
• Leonid Monin and Evgeny Smirnov: Polyhedral models for K-theory of toric and flag varieties
• Logan Crew, Oliver Pechenik and Sophie Spirkl: The Kromatic Symmetric Function: A $K$-theoretic analogue of $X_G$
• Sam Armon: Foata-like bijections and science fiction
• Sylvester W. Zhang, Gregg Musiker and Nicholas Ovenhouse: Double Dimers and Super Ptolemy Relations
• William T. Dugan, Maura Hegarty, Alejandro Morales and Annie Raymond: Generalized Pitman-Stanley flow polytopes
• Cesar Ceballos and Clement Cheneviere: On linear intervals in the alt $\nu$-Tamari lattices
• Kyle Celano: RSK for 3-free posets
• Grant Barkley and Christian Gaetz: Combinatorial invariance for lower intervals using hypercube decompositions