Issue 93B

Proceedings of the 36th International Conference on "Formal Power Series and Algebraic Combinatorics", July 21 - 25, 2025, Hokkaido University, Sapporo, Japan

Preface

Extended Abstracts of Talks and Posters

[93B.1] Tao Gui

Conjectures on the Reduced Kronecker Coefficients (12 pp.)

[93B.2] Donghyun Kim and Jaeseong Oh

Extending the Science Fiction and the Loehr-Warrington Formula (12 pp.)

[93B.3] Andrew Elvey Price, Wenjie Fang, Baptiste Louf and Michael Wallner

Bivariate Asymptotics via Random Walks: Application to Large Genus Maps (12 pp.)

[93B.4] Álvaro Gutiérrez

Towards Plethystic sl₂ Crystals (12 pp.)

[93B.5] Emanuele Delucchi, Lukas Kühne and Leonie Mühlherr

Combinatorial Invariants of Finite Metric Spaces and the Wasserstein Arrangement (12 pp.)

[93B.6] Evita Nestoridi and Alan Yan

Cutoff for the Biased Random Transposition Shuffle (11 pp.)

[93B.7] Kyla Pohl and Benjamin Young

Jack Combinatorics of the Equivariant Edge Measure (12 pp.)

[93B.8] Allen Knutson, Mario Sanchez and Melissa Sherman-Bennett

Permutahedral Subdivisions and Class Formulas from Coxeter Elements (12 pp.)

[93B.9] Brendon Rhoades, Vasu Tewari and Andy Wilson

Tutte Polynomials in Superspace (12 pp.)

[93B.10] Alexander E. Black, Niklas Lütjeharms and Raman Sanyal

From Linear Programming to Colliding Particles (12 pp.)

[93B.11] Fu Liu and Warut Thawinrak

Faces of Parking Function Polytopes (12 pp.)

[93B.12] Raj Gandhi

Deforming the Motivic Segre Classes of Schubert Cells in the Grassmannian (12 pp.)

[93B.13] Riccardo Biagioli and Lorenzo Perrone

On a Conjecture of Dyer on the Join in the Weak Order of a Coxeter Group (12 pp.)

[93B.]14 Joonkyung Lee, Jaeseong Oh and Jaehyeon Seo

Counting Homomorphisms in Antiferromagnetic Graphs via Lorentzian Polynomials (12 pp.)

[93B.15] Abigail Price, Ada Stelzer and Alexander Yong

Filtered RSK and Matrix Schubert Varieties (12 pp.)

[93B.16] Elena S. Hafner, Karola Mészáros and Alexander Vidinas

Polytopal Perspectives on the Alexander Polynomial of Special Alternating Links (12 pp.)

[93B.17] Mitsuki Hanada

A Charge Monomial Basis of the Garsia-Procesi Ring (12 pp.)

[93B.18] Jihyeug Jang, Jang Soo Kim, Jianping Pan, Joseph Pappe and Anne Schilling

A Hidden Symmetry of Refined Canonical Stable Grothendieck Polynomials (12 pp.)

[93B.19] Serena An, Katherine Tung and Yuchong Zhang

Newton Polytopes of Dual Schubert Polynomials (12 pp.)

[93B.20] Andrew Reimer-Berg

Insertion Algorithms and Pattern Avoidance on Trees Arising in the Kapranov Embedding of M^-_0,n+3 (12 pp.)

[93B.21] Samuel Spellman and Cristian Lenart

A Combinatorial Model for Affine Demazure Crystals of Levels Zero and One (12 pp.)

[93B.22] Joshua Maglione and Christopher Voll

Hall-Littlewood Polynomials, Affine Schubert Series, and Lattice Enumeration (12 pp.)

[93B.23] Gavin Hobbs, Tommy Parisi, Mark Skandera and Jiayuan Wang

A Generalization of Deodhar's Defect Statistic for Iwahori-Hecke Algebras of tTpe BC (12 pp.)

[93B.24] Ada Stelzer and Alexander Yong

RSK as a Linear Operator (12 pp.)

[93B.25] Edward E. Allen, Kyle Celano, and Sarah K. Mason

A new proof of an inverse Kostka matrix problem posed by Eğecioğlu and Remmel and related identities in Sym and NSym (12 pp.)

[93B.26] Christian Gaetz and Yibo Gao

Bijections between Interlacing Triangles, Schubert Puzzles, and Graph Colorings (12 pp.)

[93B.27] Allen Knutson and Paul Zinn-Justin

Generic Pipe Dreams, Lower-Upper Varieties, and Schwartz-MacPherson Classes (12 pp.)

[93B.28] Alejandro H. Morales, Greta Panova, Leonid Petrov and Damir Yeliussizov

Grothendieck Shenanigans: Permutons from Pipe Dreams via Integrable Probability (12 pp.)

[93B.29] Olivier Bernardi

Bijections for Faces of Braid-Type Arrangements (11 pp.)

[93B.30] Evgeny Smirnov

Partial Order on Involutive Permutations and B-Orbit Closures in Double Grassmannians (12 pp.)

[93B.31] Tatsuyuki Hikita

On the Stanley-Stembridge Conjecture (12 pp.)

[93B.32] Neha Goregaokar

Interpreting the Chromatic Polynomial Coefficients via Hyperplane Arrangements (12 pp.)

[93B.33] Amanda Burcroff, Kyungyong Lee and Lang Mou}

A Combinatorial Formula for Rank 2 Scattering Diagrams (12 pp.)

[93B.34] Hyeonjae Choi, Donghyun Kim and Seung Jin Lee

Lusztig q-Weight Multiplicities and KR Crystals (12 pp.)

[93B.35] Hyunsoo Cho, Eunmi Kim, Ho-Hyeong Lee, Kyeongjun Lee, Ae Ja Yee and Jaeyeong Yoo

GBG-rank Generating Functions for Ordinary, Self-Conjugate, and Doubled Distinct Partitions (12 pp.)

[93B.36] Jiyang Gao, Shiliang Gao and Yibo Gao

Quantum Bruhat Graphs and Tilted Richardson Varieties (12 pp.)

[93B.37] Kam Hung Tong

Orbits in the Affine Flag Variety of Type A (12 pp.)

[93B.38] Sam Armon and Joshua P. Swanson

On a Super vVrsion of Thrall's Problem (12 pp.)

[93B.39] Tatyana Benko and Benjamin Young

Double Boxes and Double Dimers (12 pp.)

[93B.40] Alexander E. Black, Sophie Rehberg and Raman Sanyal

Poset Permutahedra (12 pp.)

[93B.41] Chao Xu and Jiang Zeng

Variations of the (α,t)-Eulerian Polynomials and Gamma-Positivity (12 pp.)

[93B.42] Juliette Schabanel

3D Permutations and Triangle Solitaire (12 pp.)

[93B.43] Raymond Chou, Tomoo Matsumura and Brendon Rhoades

Equivariant Cohomology of Grassmannian Spanning Lines (12 pp.)

[93B.44] Jaewon Min

Proof of the Newell-Littlewood Saturation Conjecture (12 pp.)

[93B.45] Muchen Ju, Junjie Ni, Kaixin Wang and Yihan Xiao

Arborescences of Random Covering Graphs (11 pp.)

[93B.46] Eric Marberg and Jiayi Wen

On Some GrothendieckEexpansions (12 pp.)

[93B.47] Kevin Liu and Mei Yin

Descents and Flag major Index on Conjugacy Classes of Colored Permutation Groups without Short Cycles (12 pp.)

[93B.48] Akihiro Higashitani

Equivariant γ-Nonnegativity of Order Polytopes of Graded Posets (12 pp.)

[93B.49] Enrica Duchi and Gilles Schaeffer

From Order One Catalytic Decompositions to Context-Free Specifications, Bijectively (11 pp.)

[93B.50] Harry Richman, Farbod Shokrieh and Chenxi Wu

Principal Minors of Tree Distance Matrices (Extended Abstract) (12 pp.)

[93B.51] Filip Jonsson Kling, Samuel Lundqvist, Fatemeh Mohammadi, Matthias Orth and Eduardo Sáenz-de-Cabezón

Gröbner Bases and the Lefschetz Properties for Powers of a General Linear Form in the Squarefree Algebra (12 pp.)

[93B.52] Elise Catania

A Toric Analogue for Greene's Rational Function (12 pp.)

[93B.53] Ningxin Zhang

Characteristic Polynomials of Deformations of Coxeter Arrangements via Levels of Regions (12 pp.)

[93B.54] Jonah Berggren

Turbulence Polyhedra (12 pp.)

[93B.55] Ziyao Fu, Ni Tang, Sylvester W. Zhang and Yunchi Zheng

Expansion Formulae for SL₃ Fock-Goncharov Cluster Algebras (12 pp.)

[93B.56] Ryoshun Oba

Multigraded Strong Lefschetz Property for Balanced Simplicial Complexes (12 pp.)

[93B.57] Sylvie Corteel, Alexander Lazar and Anna Vanden Wyngaerd

Positivity Phenomena for Lattice Paths at q=-1 (12 pp.)

[93B.58] Anita Arora

The Monopole-Dimer Model on High-Dimensional Cylindrical, Toroidal, Möbius and Klein Grids (12 pp.)

[93B.59] Per Alexandersson and Aryaman Jal

Rook Matroids and Log-Concavity of P-Eulerian Polynomials (12 pp.)

[93B.60] Matthias Beck and Danai Deligeorgaki

Canon Permutation Posets (11 pp.)

[93B.61] Darij Grinberg and Ekaterina A. Vassilieva

A Permutation Based Approach to the q-Deformation of the Dynkin Operator (12 pp.)

[93B.62] Grant Barkley, Jonathan Boretsky, Chris Eur and Jiyang Gao

On Two Notions of Total Positivity for Generalized Partial Flag Varieties of Classical Lie Types (12 pp.)

[93B.63] Yakob Kahane and Marni Mishna

Differential Transcendence and Walks on Self-Similar Graphs (12 pp.)

[93B.64] Cesar Ceballos and Matthias Müller

Geometric Realizations of ν-Associahedra via Brick Polyhedra (Extended Abstract) (12 pp.)

[93B.65] Colin Defant

Random Combinatorial Billiards and Stoned Exclusion Processes (12 pp.)

[93B.66] Yibo Gao and Hai Zhu

Boolean Structure Constants (12 pp.)

[93B.67] Houcine Ben Dali, Valentin Bonzom and Maciej Dołęga

(q,t)-Tau Functions and Path Operators (12 pp.)

[93B.68] Yairon Cid-Ruiz, Yupeng Li and Jacob P. Matherne

Logarithmic Concavity of Polynomials Arising from Equivariant Cohomology (12 pp.)

[93B.69] Dominique Guillot, Himanshu Gupta, Prateek Kumar Vishwakarma and Chi Hoi Yip

Entrywise Transforms and Positive Definite Matrices over Finite Fields (12 pp.)

[93B.70] Esther Banaian, Elise Catania, Christian Gaetz, Miranda Moore, Gregg Musiker and Kayla Wright

Twists, r-Dimer Covers, and Web Duality (12 pp.)

[93B.71] Adrien Segovia

(P,φ)-Tamari Lattices (12 pp.)

[93B.72] Hsin-Chieh Liao

Equivariant γ-Positivity of Chow Rings and Augmented Chow Rings of Matroids (12 pp.)

[93B.73] Clément Chenevière, Wenjie Fang and Corentin Henriet

A New Definition for m-Cambrian Lattices (12 pp.)

[93B.74] Yassine El Maazouz and Yelena Mandelshtam

The Positive Orthogonal Grassmannian (12 pp.)

[93B.75] Ayah Almousa, Shiliang Gao and Daoji Huang

Standard Monomials for Positroid Varieties (12 pp.)

[93B.76] Sara Billey and Matjaž Konvalinka

Quilts of Alternating Sign Matrices (12 pp.)

[93B.77] Antoine Abram and Jose Bastidas

The h^*-Polynomials of Type C Hypersimplices (12 pp.)

[93B.78] Michael Gonzalez, Rosa Orellana and Mario Tomba

On the Reconstruction of Trees from their Chromatic Symmetric Functions (11 pp.)

[93B.79] Sergi Elizalde

A Generalized Lalanne-Kreweras Involution for Rectangular Tableaux (12 pp.)

[93B.80] Ian Cavey and Yi-Lin Lee

Domino Tilings and Macdonald Polynomials (12 pp.)

[93B.81] Christian Gaetz, Oliver Pechenik, Stephan Pfannerer, Jessica Striker and Joshua P. Swanson

Web Bases for Two-Column Tableaux from Hourglass Plabic Graphs (12 pp.)

[93B.82] Samuele Giraudo and Yannic Vargas

Operads of Packed Words, Quotients, and Monomial Bases (12 pp.)

[93B.83] Elise Catania, Jack Kendrick, Heather M Russell and Julianna S Tymoczko

Identifying Orbit Lengths for Promotion (12 pp.)

[93B.84] Santiago Estupiñán-Salamanca and Oliver Pechenik

A New Shifted Littlewood-Richardson Rule and Related Developments (12 pp.)

[93B.85] Mitchell Lee

The Restriction Problem and the Frobenius Transform (12 pp.)

[93B.86] Daniel Soskin and Prateek Kumar Vishwakarma

Plücker Inequalities for Weakly Separated Coordinates in TNN Grassmannians (12 pp.)

[93B.87] Philippe Nadeau, Hunter Spink and Vasu Tewari

Quasisymmetric Divided Differences (11 pp.)

[93B.88] Jinting Liang and Bruce E. Sagan

Log-Concavity and Log-Convexity via Distributive Lattices (12 pp.)

[93B.89] Joshua Arroyo, Zachary Hamaker, Graham Hawkes and Jianping Pan

Type C K-Stanley Symmetric Functions and Kraśkiewicz-Hecke Insertion (12 pp.)

[93B.90] Minh-Tâm Quang Trinh and Nathan Williams

Cell Decompositions of Hecke Traces and Link Polynomials (12 pp.)

[93B.91] Raj Gandhi and Gabe Udell

A Degeneration of the Brick Variety and a Mixed Subdivision of the Associahedron into Cubes (12 pp.)

[93B.92] Daoji Huang, Mark Shimozono and Tianyi Yu

A Bijection Between Marked Bumpless Pipedreams and Compatible Pairs (12 pp.)

[93B.93] Ming Yean Lim

The Number of Irreducibles in the Plethysm s_λ[s_m] (12 pp.)

[93B.94] William T. Dugan, Maura Hegarty, Alejandro H. Morales and Annie Raymond

Volume and Lattice Points of Generalized Pitman-Stanley Flow Polytopes (12 pp.)

[93B.95] Tracy Chin

Real Stability and Log Concavity are coNP-Hard (10 pp.)

[93B.96] Robert Muth, Thomas Nicewicz, Liron Speyer and Louise Sutton

Simple Modules for Affine Type A KLR Algebras via Skew Specht Modules (12 pp.)

[93B.97] Yibo Gao, Thomas Lam and Lei Xue

Dual mixed Volumes of Polytopes (12 pp.)

[93B.98] Tuong Le, Shuge Ouyang, Leo Tao, Joseph Restivo and Angelina Zhang

Quantum Bumpless Pipe Dreams (12 pp.)

[93B.99] Juliana Curtis

The Integer Decomposition Property in Smooth Polytopes (11 pp.)

[93B.100] Jerónimo Valencia Porras

A Combinatorial Proof of an Identity Involving Eulerian Numbers (12 pp.)

[93B.101] Danai Deligeorgaki, Bin Han and Liam Solus

Colored Multiset Eulerian Polynomials (11 pp.)

[93B.102] Portia X. Anderson

Commutative Properties of Schubert Puzzles with Convex Polygonal Boundary Shapes (12 pp.)

[93B.103] Matteo Parisi, Melissa Sherman-Bennett, Ran Tessler and Lauren Williams

The Magic Number Conjecture for the m=2 Amplituhedron and Parke-Taylor Polytopes (12 pp.)

[93B.104] Theo Douvropoulos and Alex McDonough

Generalized Laplacian Tilings and Root Zonotopes (12 pp.)

[93B.105] Yibo Gao and Reuven Hodges

Orbit Structures and Complexity in Schubert and Richardson Varieties (12 pp.)

[93B.106] Theo Douvropoulos and Olivier Bernardi

Deformations of Restricted Reflection Arrangements (12 pp.)

[93B.107] Ilani Axelrod-Freed, Jiyang Gao and Sylvester W. Zhang

Rhombic Tableaux for Partial Flag Varieties (12 pp.)

[93B.108] Grant T. Barkley

Extended Weak Order for S^~_n and the Lattice of Torsion Classes (12 pp.)

[93B.109] Zhixing Chen, Yumou Fei, Jiyang Gao, Yuxuan Sun and Yuchong Zhang

Partial Flag Positroids (12 pp.)

[93B.110] Zach Benton, Jane Kwak, Suho Oh, Mateo Torres and Mckinley Xie

On z-Superstable and Critical Configurations of Chip-Firing Pairs (12 pp.)

[93B.111] Yuhan Jiang

The Ehrhart h^*-Polynomials of Positroid Polytopes (12 pp.)

[93B.112] Yongle Luo and Baptiste Rognerud

Lattice of Transfer Systems (12 pp.)

[93B.113] Ali Haidar and Oded Yacobi

Relations between Generalised Gelfand-Tsetlin and Kazhdan-Lusztig Bases of S_n (12 pp.)

[93B.114] Luis Ferroni, Jacob P. Matherne and Lorenzo Vecchi

Chow Polynomials of Posets (12 pp.)

[93B.115] Samrith Ram

Subspace Profiles, q-Whittaker Functions and Krylov Method (12 pp.)

[93B.116] Michael Borinsky, Chiara Meroni and Maximilian Wiesmann

Asymptotic Count of Edge-Bicolored Graphs (12 pp.)

[93B.117] V. Sathish Kumar and Jacinta Torres

The Branching Models of Kwon and Sundaram via Flagged Hives (12 pp.)

[93B.118] Foster Tom

On e-Positivity of Trees and Connected Partitions (12 pp.)

[93B.119] Maria Gillespie, Joseph Pappe and Kyle Salois

When is the Chromatic Quasisymmetric Function Symmetric? (12 pp.)

[93B.120] Ryo Takahashi

Failure of the Lefschetz Property for the Graphic Matroid (11 pp.)

[93B.121] Eva Philippe and Vincent Pilaud

The s-Permutahedron and its Lattice Quotients (12 pp.)

[93B.122] Maria M. Gillespie

Higher Specht Polynomials for the Diagonal Action (12 pp.)

[93B.123] Richard M. Green and Tianyuan Xu

Orthogonal Roots, Macdonald Representations, and Quasiparabolic W-Sets (12 pp.)

[93B.124] Mark Skandera and Daniel Soskin

Multiplicative Permanental Inequalities for Totally Positive Matrices (12 pp.)

[93B.125] Milo Bechtloff Weising

Higher Rank Macdonald Polynomials (12 pp.)

[93B.126] Jasper M. Liu, Yichen Ma, Brendon Rhoades and {ai Zhu

Matrix Loci, Orbit Harmonics, and Shadow Play (12 pp.)

[93B.127] Emma Yu Jin and Xiaowei Lin

Modified Macdonald Polynomials and Mahonian Statistics (10 pp.)

[93B.128] Eugene Gorsky, Soyeon Kim, Tonie Scroggin and José Simental

Skew Shaped Positroids and Double Bott-Samelson Varieties (12 pp.)

[93B.129] John Lentfer

A Conjectural Basis for the (1,2)-Bosonic-Fermionic Coinvariant Ring (12 pp.)

[93B.130] Yifeng Zhang

Molecules of Affine Fixed-Point-Free$W-Graphs (12 pp.)

[93B.131] Elena Hoster

The Chow and Augmented Chow Polynomials of Uniform Matroids (12 pp.)

[93B.132] Svante Linusson and Emil Verkama

Enumerating 1324-Avoiders with Few Inversions (12 pp.)

[93B.133] Jimmy He and Michael Wheeler

Symmetries of Periodic and Free Boundary q-Whittaker Measures (12 pp.)

[93B.134] Stefan Mitrovic

The Redei-Berge Function in Noncommuting Variables (12 pp.)

[93B.135] Sebastian Degen and Lukas Kühne

Most q-Matroids are Not Representable (12 pp.)

[93B.136] Alin Bostan, Frédéric Chyzak, Bérénice Delcroix-Oger, Guillaume Laplante-Anfossi, Vincent Pilaud and Kurt Stoeckl

Diagonals of Permutahedra and Associahedra (12 pp.)

[93B.137] Sarah Brauner, Sylvie Corteel, Zajj Daugherty and Anne Schilling

Crystal Skeletons and their Axioms (12 pp.)

[93B.138] Ilani Axelrod-Freed , Sarah Brauner, Judy Hsin-Hui Chiang, Patricia Commins and Veronica Lang

Spectrum of Random-to-Random Shuffling in the Hecke Algebra (12 pp.)

[93B.139] Hong Chen and Siddhartha Sahi

Monotonicity for Generalized Binomial Coefficients and Jack Positivity (12 pp.)

[93B.140] Maria Gillespie, Eugene Gorsky and Sean T. Griffin

A Geometric Interpretation and Skewing Formula for the Delta Theorem (12 pp.)

[93B.141] Bruce E. Sagan and Alexander N. Wilson

Centralizers in the Plactic Monoid (12 pp.)

[93B.142] Thomas Aird and Duarte Ribeiro

Plactic-Like Monoids Arising from Meets and Joins of Taiga Congruences (12 pp.)

[93B.143] Jake Levinson and Haggai Liu

Fundamental Groups of Moduli Spaces of Real Weighted Stable Curves (12 pp.)

[93B.144] Farid Aliniaeifard and Shu Xiao Li

Peak Algebra in Noncommuting Variables (12 pp.)

[93B.145] Kyle Celano, Jennifer Elder, Kimberly P. Hadaway, Pamela E. Harris, Amanda Priestley and Gabe Udell

Inversions in Parking Functions (12 pp.)

[93B.146] Amanda Schwartz

The HOMFLY Polynomial of a Forest Quiver (12 pp.)

[93B.147] Yanjun Chen

On the Classification of Schubert Varieties in Partial Flag Varieties (12 pp.)

[93B.148] Masato Konoike

A New Class of Magic Positive Ehrhart Polynomials of Reflexive Polytopes (11 pp.)

[93B.149] Tongyu Nian, Shuhei Tsujie, Ryo Uchiumi and Masahiko Yoshinaga

q-Deformation of Graphic Arrangements (12 pp.)

[93B.150] Igor Pak and Colleen Robichaux

Signed Combinatorial Interpretations in Algebraic Combinatorics (12 pp.)

[93B.151] Yifei Li and Sheila Sundaram

Rank-Selected Segre Powers of the Boolean Lattice (12 pp.)

[93B.152] Linji Chen, Yunhao Lai and Zhehan Xu

The Isomorphism Problem for (Co)adjoint Schubert Varieties (12 pp.)

[93B.153] Jim Haglund, Jaeseong Oh and Meesue Yoo

α-Chromatic Symmetric Functions (12 pp.)

[93B.154] Ethan Y.H. Li, Grace M.X. Li, Arthur L.B. Yang and Zhong-Xue Zhang

Strongly Nice Property and Schur Positivity of Graphs (11 pp.)

[93B.155] Arnau Padrol and Germain Poullot

New Criteria for Polytope Indecomposability and New Rays of the Submodular Cone (12 pp.)

[93B.156] Ryo Uchiumi

Permutation Representations of Classical Weyl Groups on mod q Lattices (12 pp.)

[93B.157] Kento Nakada, Takeshi Suzuki and Yoshitaka Toyosawai

Colored Hooks and Poset Structure of Cylindric Diagrams (12 pp.)

[93B.158] Nick Early, Lukas Kühne, and Leonid Monin

Minkowski Decompositions of Alcoved Polytopes (12 pp.)

[93B.159] Benjamin Hackl, Andrew Luo, Stephen Melczer and Éric Schost (Software Presentation)

A SageMath Package for Analytic Combinatorics in Several Variables: Beyond the Smooth Case (12 pp.)

[93B.160] Oliver Clarke and Alexander Milner (Software Presentation)

Computing all Markov Bases (9 pp.)