Proceedings
The following papers have been accepted as talks, posters, and software demonstrations (presenters are underlined).
Talks
Karim Adiprasito, Gaku Liu and Michael Temkin: Semistable reduction in characteristic 0
Connor Ahlbach and Joshua P. Swanson: Thrall's problem: cyclic sieving, necklaces, and branching rules
Emily Barnard and Thomas McConville: Lattices from graph associahedra
Nantel Bergeron, Cesar Ceballos and Vincent Pilaud: Hopf dreams
Dan Betea, Jérémie Bouttier, Peter Nejjar and Mirjana Vuletić: New edge asymptotics of skew Young diagrams via free boundaries
Mireille Bousquet-Mélou, Andrew Elvey Price and Paul Zinn-Justin: Eulerian orientations and the six-vertex model on planar maps
Cesar Ceballos, Wenjie Fang and Henri Mühle: The steep-bounce zeta map in parabolic Cataland
Cesar Ceballos and Viviane Pons: The s-weak order and s-permutahedra
Sylvie Corteel, Olya Mandelshtam and Lauren Williams: From multiline queues to Macdonald polynomials via the exclusion process
Samantha Dahlberg: A new formula for Stanley's chromatic symmetric function for unit interval graphs and e-positivity for triangular ladder graphs
Jehanne Dousse: On partition identities of Capparelli and Primc
Theo Douvropoulos: On enumerating factorizations in reflection groups
Jan Draisma and Felipe Rincón: Tropical ideals do not realise all Bergman fans
Christopher Eur: Divisors on matroids and their volumes
Christian Gaetz and Yibo Gao: The weak Bruhat order on the symmetric group is Sperner
Alexander Garver, Rebecca Patrias and Hugh Thomas: Minuscule reverse plane partitions via quiver representations
Emily Gunawan and Ralf Schiffler: Unitary friezes and frieze vectors
Iva Halacheva, Allen Knutson and Paul Zinn-Justin: Restricting Schubert classes to symplectic Grassmannians using self-dual puzzles
Tom Halverson: Set-partition tableaux, symmetric group multiplicities, and partition algebra modules
Judith Jagenteufel: A Sundaram type bijection for SO(2k+1): vacillating tableaux and pairs consisting of a standard Young tableau and an orthogonal Littlewood-Richardson tableau
Nadia Lafrenière: Eigenvalues of the symmetrized shuffling operators
Cédric Lecouvey and Cristian Lenart: Combinatorics of generalized exponents
Cédric Lecouvey and Pierre Tarrago: Alcove random walks and k-Schur functions
Joel Brewster Lewis and Alejandro H. Morales: Factorization problems in complex reflection groups
Sho Matsumoto and Piotr Śniady: Stanley character formula for the spin characters of the symmetric groups
Brendan Pawlowski and Brendon Rhoades: Spanning line configurations
Khrystyna Serhiyenko, Melissa Sherman-Bennett and Lauren Williams: Combinatorics of cluster structures in Schubert varieties
Poster session 1 (Monday, July 1)
Ron M. Adin, Ira M. Gessel, Victor Reiner and Yuval Roichman: Cyclic quasi-symmetric functions
Anshul Adve, Colleen Robichaux and Alexander Yong: Computational complexity, Newton polytopes, and Schubert polynomials
Per Alexandersson and Robin Sulzgruber: P-partitions and p-positivity
Dave Anderson, Takeshi Ikeda, Minyoung Jeon and Ryotaro Kawago: Multiplicities of Schubert varieties in the symplectic flag variety
Federico Ardila, Anna Schindler and Andrés R. Vindas Meléndez: The equivariant volumes of the permutahedron
Sami Assaf and Stephanie van Willigenburg (presenter: Dominic Searles): Skew key polynomials and the key poset
Spencer Backman, Francisco Santos and Chi Ho Yuen: Topological bijections for oriented matroids
Rachel Bailey and Emily Gunawan: Cluster algebras and binary words
Nicholas R. Beaton, Aleksander L. Owczarek and Ruijie Xu: Quarter-plane lattice paths with interacting boundaries: Kreweras and friends
Manfred Buchacher and Manuel Kauers: Inhomogeneous restricted lattice walks
Federico Castillo and José Alejandro Samper: Finiteness theorems for matroid complexes with prescribed topology
Sunita Chepuri: Plabic R-matrices
Adam Clearwater and Mark Skandera: Total nonnegativity and evaluations of Hecke algebra characters
Michele D'Adderio, Alessandro Iraci and Anna Vanden Wyngaerd: Delta conjectures
Satyan L. Devadoss, Cassandra Durell and Stefan Forcey (presenter: Vincent Pilaud): Split network polytopes and network spaces
Matthew Farmer and Joshua Hallam: The noncrossing bond poset of a graph
Oleksandra Gasanova: Powers of monomial ideals and the Ratliff-Rush operation
Sam Hopkins: The CDE property for skew vexillary permutations
Ezgi Kantarcı Oğuz (presenter: Can Ozan Oğuz): Descent polynomials, peak polynomials and an involution on permutations
Gene B. Kim and Sangchul Lee: A central limit theorem for descents and major indices in fixed conjugacy classes of Sn
Alexander Lazar and Michelle L. Wachs: On the homogenized linial arrangement: intersection lattice and Genocchi numbers
Duncan Levear: A bijection for Shi arrangement faces
Baptiste Louf: Simple formulas for constellations and bipartite maps with prescribed degrees
Eric Marberg and Brendan Pawlowski: Stanley symmetric functions for signed involutions
Alina R. Mayorova and Ekaterina A. Vassilieva: A q-deformed type B Cauchy identity and Chow’s quasisymmetric functions
Stephen Melczer, Greta Panova and Robin Pemantle: Counting partitions inside a rectangle
Cara Monical, Oliver Pechenik and Dominic Searles: K-theoretic polynomials
Henri Mühle: Ballot-noncrossing partitions
Hiroshi Naruse and Soichi Okada: Skew hook formula for d-complete posets via equivariant K-theory
Vincent Pilaud: Polytopal realizations and Hopf algebra structures for lattice quotients of the weak order
Ben Salisbury and Travis Scrimshaw: Candidate for the crystal B(-∞) for the queer Lie superalgebra
Mario Sanchez: Möbius inversion as duality for Hopf monoids
Eric Stucky: Cyclic sieving, necklaces, and bracelets
Mariel Supina: The Hopf monoid of orbit polytopes
Nancy Wallace: Explicit combinatorial formulas for some irreducible characters of the GLk × Sn-module of multivariate diagonal harmonics
Alexander Wang and Hailun Zheng: Triangulations of the product of spheres with few vertices
Poster session 2 (Tuesday, July 2)
Marcelo Aguiar, José Bastidas and Swapneel Mahajan: Characteristic elements for real hyperplane arrangements
Farid Aliniaeifard and Nathaniel Thiem: Pattern groups and a poset based Hopf monoid
Federico Ardila, Federico Castillo, Christopher Eur and Alexander Postnikov: Deformations of Coxeter permutahedra and Coxeter submodular functions
Sami Assaf and Dominic Searles: Skew polynomials and extended Schur functions
Jean-Christophe Aval, Théo Karaboghossian and Adrian Tanasa: Polynomial invariants and reciprocity theorems for the Hopf monoid of hypergraphs and its sub-monoids
Eli Bagno, Riccardo Biagioli and David Garber: Some identities involving second kind Stirling numbers of types B and D
Esther Banaian and Elizabeth Kelley: Snake graphs and frieze patterns from orbifolds
Jérémie Bettinelli: Slit-slide-sew bijections for bipartite and quasibipartite plane maps
Henri Derycke and Yvan Le Borgne: Restricted Tutte polynomials for some periodic oriented forests on infinite square lattice
Chris Bowman, Maud De Visscher and John Enyang: The lattice permutation condition for Kronecker tableaux
Sarah Brauner, Forrest Glebe and David Perkinson: Enumerating linear systems on graphs
Michael Chmutov, Gabriel Frieden, Dongkwan Kim, Joel Brewster Lewis and Elena Yudovina: An affine generalization of evacuation
Hyunsoo Cho, JiSun Huh and Jaebum Sohn: A bijection between ordinary partitions and self-conjugate partitions with same disparity
Camille Combe: Cubic realizations of Tamari interval lattices
Joseph Doolittle and Bennet Goeckner: Resolving Stanley's conjecture on k-fold acyclic complexes
Mark Dukes and Peter McNamara: Refining the bijections among ascent sequences, (2+2)-free posets, integer matrices and pattern-avoiding permutations
Richard Ehrenborg, Gábor Hetyei and Margaret Readdy: Refined face count in uniform triangulations of the Legendre polytope
Sen-Peng Eu, Tung-Shan Fu, Hsiang-Chun Hsu, Hsin-Chieh Liao and Wei-Liang Sun: Signed Mahonian identities on permutations with subsequence restrictions
Ira M. Gessel and Yan Zhuang: Homomorphisms on noncommutative symmetric functions and permutation enumeration
Rebecca Goldin and Allen Knutson: Schubert structure operators
Darij Grinberg: A quotient of the ring of symmetric functions generalizing quantum cohomology
Zachary Hamaker, Eric Marberg and Brendan Pawlowski: Involution pipe dreams
Rahul Ilango, Oliver Pechenik and Michael Zlatin: Unique rectification in d-complete posets
Il-Seung Jang and Jae-Hoon Kwon: Quantum nilpotent subalgebras of classical quantum groups and affine crystals
Michael Joseph and Tom Roby: Birational antichain toggling and rowmotion
Donghyun Kim: A combinatorial formula for the Ehrhart h*-vector of the hypersimplex
Cédric Lecouvey and Cristian Lenart: Atomic decomposition of characters and crystals
Svante Linusson, Samu Potka and Robin Sulzgruber: On random shifted standard Young tableaux and 132-avoiding sorting networks
Eric Marberg and Yifeng Zhang: Affine transitions for involution Stanley symmetric functions
Robert McAlmon, Suho Oh and David Xiang: Flats of a positroid from its decorated permutation
Kyle P. Meyer: Descent representations of generalized coinvariant algebras
Cara Monical, Oliver Pechenik and Travis Scrimshaw: Crystal structures for symmetric Grothendieck polynomials
Yann Palu, Vincent Pilaud and Pierre-Guy Plamondon: Non-kissing versus non-crossing
David Harry Richman: Equidistribution of Weierstrass points on a tropical curve
Sheila Sundaram: On the Schur positivity of sums of power sums
Software demonstrations
Katja Berčič: Supporting data-driven mathematics: database and interface generation
Antonio Jiménez-Pastor: DD-finite functions in Sage
Wencin Poh and Anne Schilling: Queer supercrystals in SageMath
Martin Rubey and Christian Stump: FindStat – a database and search engine for combinatorial statistics and maps
Lorenzo Venturello (presenter: Alexander Wang): Balanced triangulations on few vertices and an implementation of cross-flips
Janoš Vidali: Computing distance-regular graph and association scheme parameters with sage-drg