Issue 89B

Proceedings of the 35th International Conference on "Formal Power Series and Algebraic Combinatorics", July 17 - 21, 2023, University of California at Davis, USA

Preface

Extended Abstracts of Talks and Posters

[89B.1] Christian Gaetz

Bruhat Interval Polytopes, 1-Skeleton Lattices, and Smooth Torus Orbit Closures (12 pp.)

[89B.2] Sergi Elizalde

The Distribution of Descents on Nonnesting Permutations (12 pp.)

[89B.3] Colin Defant and Nathan Williams

Pop, Crackle, Snap (and Pow): Some Facets of Shards (12 pp.)

[89B.4] Nicholas J. Williams

Studying Triangulations of Even-Dimensional Cyclic Polytopes via Directed Graphs (12 pp.)

[89B.5] Wenjie Fang

Bijections between Planar Maps and Planar Linear Normal λ-Terms with Connectivity Condition (12 pp.)

[89B.6] Jesús A. De Loera and William J. Wesley

An Algebraic Perspective on Ramsey Numbers (12 pp.)

[89B.7] Yasuhide Numata, Yusuke Takahashi and Dai Tamaki

Faces of Directed Edge Polytopes (12 pp.)

[89B.8] Margaret Bayer, Mark Denker, Marija Jelić Milutinović, Rowan Rowlands, Sheila Sundaram and Lei Xue

On the Topology of Cut Complexes of Graphs (12 pp.)

[89B.9] Christian Gaetz, Oliver Pechenik, Stephan Pfannerer, Jessica Striker, and Joshua P. Swanson

An SL₄-Web Basis from Hourglass Plabic Graphs (12 pp.)

[89B.10] Jia Huang and Erkko Lehtonen

The Associative-Commutative Spectrum of a Binary Operation (12 pp.)

[89B.11] Christian Gaetz and Yibo Gao

Automorphisms of Undirected Bruhat Graphs (10 pp.)

[89B.12] Sami Assaf, Anne Dranowski and Nicolle González

Extremal Tensor Products of Demazure Crystals are Direct Sums of Demazure Crystals (11 pp.)

[89B.13] Hadrien Notarantonio and Sergey Yurkevich

Effective Algebraicity for Solutions of Systems of Functional Equations with one Catalytic Variable (12 pp.)

[89B.14] Denys Bulavka, Eran Nevo and Yuval Peled

Volume Rigidity and Algebraic Shifting (12 pp.)

[89B.15] Sarah Brauner, Patricia Commins and Victor Reiner

Invariant Theory for the Free Left-Regular Band and a q-Analogue (12 pp.)

[89B.16] Ben Adenbaum and Sergi Elizalde

Rowmotion on 321-Avoiding Permutations (12 pp.)

[89B.17] Jesús A. De Loera, Laura Escobar, Nathan Kaplan and Chengyang Wang

Sums of Weighted Lattice Points of Polytopes (12 pp.)

[89B.18] Laura G. Brestensky and Nathan Reading

Noncrossing Partitions of an Annulus (12 pp.)

[89B.19] Colin Defant and Pakawut Jiradilok

Triangular-Grid Billiards and Plabic Graphs (12 pp.)

[89B.20] Joseph Pappe, Stephan Pfannerer, Anne Schilling and Mary Claire Simone

Promotion for Fans of Dyck Paths (12 pp.)

[89B.21] Loïc Le Mogne and Viviane Pons

Deficit and (q,t)-symmetry in Triangular Dyck Paths (12 pp.)

[89B.22] Joel Brewster Lewis and Eric Marberg

Combinatorial Formulas for Shifted Dual Stable Grothendieck Polynomials (12 pp.)

[89B.23] Andrew Berget, Christopher Eur, Hunter Spink and Dennis Tseng

Tautological Classes of Matroids (12 pp.)

[89B.24] Andrew Sack

A Realization of Poset Associahedra (12 pp.)

[89B.25] Byung-Hak Hwang

Chromatic Quasisymmetric Functions and Noncommutative P-symmetric Functions (12 pp.)

[89B.26] Amanda Burcroff

Compact Hyperbolic Coxeter d-Polytopes with d+4 Facets and Related Dimension Bounds (12 pp.)

[89B.27] Jiyang Gao, Shiliang Gao and Yibo Gao

Balanced Shifted Tableaux (12 pp.)

[89B.28] Federico Ardila-Mantilla, Christopher Eur and Raúl Penaguião

The Tropical Critical Points of an Affine Matroid (12 pp.)

[89B.29] Mark Skandera and Daniel Soskin

Barrett-Johnson Inequalities for Totally Nonnegative Matrices (12 pp.)

[89B.30] Andrei Asinowski, Cyril Banderier and Sarah J. Selkirk

From Kreweras to Gessel: A Walk through Patterns in the Quarter Plane (12 pp.)

[89B.31] Byung-Hak Hwang, Jihyeug Jang, Jang Soo Kim, Minho Song and U-Keun Song

Refined Canonical Stable Grothendieck Polynomials and Their Duals (12 pp.)

[89B.32] Nantel Bergeron, Kelvin Chan, Farhad Soltani and Mike Zabrocki

Quasisymmetric Harmonics of the Exterior Algebra (12 pp.)

[89B.33] Philippe Nadeau and Vasi Tewari

[Perm_n] via Qsym_n⁺ (12 pp.)

[89B.34] Houcine Ben Dali and and Maciej Dołęga

Jack Characters as Generating Series of Bipartite Maps and Proof of Lassalle's Conjecture (12 pp.)

[89B.35] Dan Betea, Anton Nazarov and Travis Scrimshaw

Limit Shapes for Skew Howe Duality (12 pp.)

[89B.36] Luis Ferroni, Jacob P. Matherne, Matthew Stevens and Lorenzo Vecchi

Hilbert-Poincaré Series of Matroid Chow Rings and Intersection Cohomology (12 pp.)

[89B.37] Carolina Benedetti, Nantel Bergeron, Laura Colmenarejo, Franco Saliola and Frank Sottile

A Murnaghan-Nakayama Rule for Quantum Cohomology of the Flag Manifold (12 pp.)

[89B.38] Shashank Kanade

On the A₂ Andrews-Schilling-Warnaar Identities (12 pp.)

[89B.39] Cristina Ballantine, Hannah Burson, William Craig, Amanda Folsom and Boya Wen

Hook Length Bias in Odd versus Distinct Partitions (12 pp.)

[89B.40] Foster Tom

Horizontal-Strip LLT Polynomials (12 pp.)

[89B.41] Jinting Liang, Bruce E. Sagan and Yan Zhuang

Cyclic Shuffle-Compatibility and Cyclic Quasisymmetric Functions (12 pp.)

[89B.42] Zajj Daugherty and Arun Ram

Set-Valued Tableaux for Macdonald Polynomials (12 pp.)

[89B.43] Matthias Beck, Danai Deligeorgaki, Max Hlavacek and Jerónimo Valencia-Porras

Inequalities for $f^*$-vectors of Lattice Polytopes (11 pp.)

[89B.44] Daniel Corey and Dante Luber

Degenerations of the Grassmannian via Matroidal Subdivisions of the Hypersimplex (12 pp.)

[89B.45] Colleen Robichaux

Castelnuovo-Mumford Regularity for 321-Avoiding Kazhdan-Lusztig Varieties (12 pp.)

[89B.46] Darij Grinberg and Ekaterina A. Vassilieva

The Algebra of Extended Peaks (12 pp.)

[89B.47] Chaim Even-Zohar, Tsviqa Lakrec and Ran J. Tessler

The BCFW Tiling of the Amplituhedron (12 pp.)

[89B.48] Richard Ehrenborg, Sophie Morel and Margaret Readdy

Pizza and 2-Structures (12 pp.)

[89B.49] Ben Knudsen and Eric Ramos

Robertson's Conjecture in Algebraic Topology (11 pp.)

[89B.50] Darij Grinberg and Tom Roby

Birational Rowmotion over Noncommutative Rings (12 pp.)

[89B.51] Daniel Orr, Mark Shimozono, and Joshua Jeishing Wen

Wreath Macdonald Operators (12 pp.)

[89B.52] Edward Richmond, Mihail Ţarigradschi and Weihong Xu

The Isomorphism Problem for Cominuscule Schubert Varieties (12 pp.)

[89B.53] Colin Defant and Dominic Searles

0-Hecke Modules, Quasisymmetric Functions, and Peak Functions in Type B (12 pp.)

[89B.54] Young-Hun Kim and Semin Yoo

Modules of the 0-Hecke Algebras for Genomic Schur Functions (12 pp.)

[89B.55] Alejandro H. Morales, Greta Panova and GaYee Park

Minimal Skew Semistandard Young Tableaux and the Hillman-Grassl Correspondence (12 pp.)

[89B.56] Milo James Bechtloff Weising

Stable-Limit Non-Symmetric Macdonald Functions in Type A (12 pp.)

[89B.57] Markus Reineke, Brendon Rhoades and Vasu Tewari

Divisors, Orbit Harmonics, and DT Invariants (12 pp.)

[89B.58] Noémie Cartier

Acyclic Pipe Dreams, Subword Complexes and Lattice Quotients of Weak Order Intervals (12 pp.)

[89B.59] Edward E Allen and Sarah Mason

A Combinatorial Interpretation of the Noncommutative Inverse Kostka Matrix (12 pp.)

[89B.60] Jonathan Boretsky, Christopher Eur and Lauren Williams

Polyhedral and Tropical Geometry of Flag Positroids (12 pp.)

[89B.61] Natasha Blitvić, Mohammed Slim Kammoun amd Einar Steingrímsson

A new Perspective on Positivity in (Consecutive) Permutation Patterns (12 pp.)

[89B.62] Sofía Garzón and Christian Haase

Fine Polyhedral Adjunction Theory (12 pp.)

[89B.63] Eugene Gorsky, Mikhail Mazin and Alexei Oblomkov

Generic Curves and Non-Coprime Catalans (12 pp.)

[89B.64] Roger E. Behrend, Federico Castillo, Anastasia Chavez, AAlexnder Diaz-Lopez, Laura Escobar, Pamela Harris and Erik Insko]

Partial Permutohedra (12 pp.)

[89B.65] Maria Gillespie, and Sean T. Griffin

A Cocharge Formula for the Δ-Springer Modules (12 pp.)

[89B.66] Eric Marberg and Travis Scrimshaw

Shifted key polynomials (12 pp.)

[89B.67] Ezgi Kantarcı Oğuz, Cem Yalım Özel and Mohan Ravichandran

Chainlink Polytopes (12 pp.)

[89B.68] David Wahiche

Combinatorial Interpretations of the Macdonald Identities for Affine Root Systems (12 pp.)

[89B.69] Ilse Fischer, Hans Höngesberg and Florian Schreier-Aigner

Alternating Sign Matrices and Descending Plane Partitions: a Linear Number of Equivalent Statistics (12 pp.)

[89B.70] Arvind Ayyer, Olya Mandelshtam and James Martin

The Multispecies Zero Range Process and Modified Macdonald Polynomials (12 pp.)

[89B.71] Maria Gillespie and Andrew Reimer-Berg

A Generalized RSK for Enumerating Linear Series on n-pointed Curves (12 pp.)

[89B.72] Lucas Gagnon

A Unipotent Realization of the Chromatic Quasisymmetric Function (12 pp.)

[89B.73] Daoji Huang and Jessica Striker

A Pipe Dream Perspective on Totally Symmetric Self-Complementary Plane Partitions (12 pp.)

[89B.74] Jesse Kim

An Embedding of the Skein Action on Set Partitions into the Skein Action on Matchings (12 pp.)

[89B.75] Theo Douvropoulos and Matthieu Josuat-Vergès

Recursions and Proofs in Cataland (12 pp.)

[89B.76] Leonid Monin and Evgeny Smirnov

Polyhedral Models for K-Theory of Toric and Flag Varieties (12 pp.)

[89B.77] Logan Crew, Oliver Pechenik and Sophie Spirkl

The Kromatic Symmetric Function: A K-Theoretic Analogue of X_G (12 pp.)

[89B.78] Sam Armon

Foata-Like Bijections and science Fiction (10 pp.)

[89B.79] Gregg Musiker, Nick Ovenhouse and Sylvester W. Zhang

Double Dimers and Super Ptolemy Relations (12 pp.)

[89B.80] William T. Dugan, Maura Hegarty, Alejandro H. Morales and Annie Raymond

Generalized Pitman-Stanley Flow Polytopes (12 pp.)

[89B.81] Cesar Ceballos and Clément Chenevière

On Linear Intervals in the alt ν-Tamari Lattices (12 pp.)

[89B.82] Kyle Celano

RSK for 3-Free Posets (12 pp.)

[89B.83] Donghyun Kim, Seung Jin Lee and Jaeseong Oh

Towards Butler's Conjecture (12 pp.)

[89B.84] Nicolle González, José Simental and Monica Vazirani

Semistandard Parking Functions and a Finite Shuffle Theorem (12 pp.)

[89B.85] Jonah Blasiak, Mark Haiman, Jennifer Morse, Anna Pun and George H. Seelinger

A Catalanimal Formula for Macdonald Polynomials (12 pp.)

[89B.86] Grant T. Barkley and Christian Gaetz

Combinatorial Invariance for Lower Intervals Using Hypercube Decompositions (8 pp.)

[89B.87] Shiyue Li

Equivariant Log-Concavity of Independence Sequences of Claw-Free Graphs (6 pp.)

[89B.88] Hsin-Chieh Liao

Stembridge Codes and Chow Rings (12 pp.)

[89B.89] Allen Knutson and Gabe Udell

Interpolating between Classic and Bumpless Pipe Dreams (12 pp.)

[89B.90] Benjamin Hackl, Andrew Luo, Stephen Melczer, Jesse Selover and Elaine Wong (software presentation)

Rigorous Analytic Combinatorics in Several Variables in SageMath (12 pp.)

[89B.91] Alexander Grosz, Tobias Kietreiber, Stephan Pfannerer and Martin Rubey (software presentation)

A Bijectionist's Toolkit (9 pp.)