Issue 82B

Proceedings of the 31st International Conference on "Formal Power Series and Algebraic Combinatorics", July 1 - 5, 2019, University of Ljubljana, Slovenia

Preface

Extended Abstracts of Talks and Posters

[82B.1] Sho Matsumoto and Piotr Śniady

Stanley character formula for the spin characters of the symmetric groups (12 pp.)

[82B.2] Il-Seung Jang and Jae-Hoon Kwon

Quantum nilpotent subalgebras of classical quantum groups and affine crystals (12 pp.)

[82B.3] Vincent Pilaud

Polytopal realizations and Hopf algebra structures for lattice quotients of the weak order (12 pp.)

[82B.4] Donghyun Kim

A combinatorial formula for the Ehrhart h^*-vector of the hypersimplex (12 pp.)

[82B.5] Chris Bowman, Maud De Visscher, and John Enyang

The lattice permutation condition for Kronecker tableaux (12 pp.)

[82B.6] Ira M. Gessel and Yan Zhuang

Homomorphisms on noncommutative symmetric functions and permutation enumeration (12 pp.)

[82B.7] Henri Mühle

Ballot-noncrossing partitions (12 pp.)

[82B.8] Khrystyna Serhiyenko, Melissa Sherman-Bennett, and Lauren Williams

Combinatorics of cluster structures in Schubert varieties (12 pp.)

[82B.9] Hiroshi Naruse and Soichi Okada

Skew hook formula for d-complete posets via equivariant K-theory (12 pp.)

[82B.10] Cara Monical, Oliver Pechenik, and Dominic Searles

K-theoretic polynomials (12 pp.)

[82B.11] Sam Hopkins

The CDE property for skew vexillary permutations (12 pp.)

[82B.12] Yann Palu, Vincent Pilaud, and Pierre-Guy Plamondon

Non-kissing versus non-crossing (12 pp.)

[82B.13] Richard Ehrenborg, Gábor Hetyei, and Margaret Readdy

Refined face count in uniform triangulations of the Legendre polytope (12 pp.)

[82B.14] Cédric Lecouvey and Cristian Lenart

Combinatorics of generalized exponents (12 pp.)

[82B.15] Brendan Pawlowski and Brendon Rhoades

Spanning line configurations (12 pp.)

[82B.16] Federico Ardila, Anna Schindler, and Andrés R. Vindas-Meléndez

The equivariant volumes of the permutahedron (12 pp.)

[82B.17] Sarah Brauner, Forrest Glebe, and David Perkinson

Enumerating linear systems on graphs (12 pp.)

[82B.18] Alexander Wang and Hailun Zheng

Triangulations of the product of spheres with few vertices (12 pp.)

[82B.19] Nantel Bergeron, Cesar Ceballos, and Vincent Pilaud

Hopf dreams (12 pp.)

[82B.20] Mark Dukes and Peter R. W. McNamara

Refining the bijections among ascent sequences, (2+2)-free posets, integer matrices and pattern-avoiding permutations (12 pp.)

[82B.21] Sen-Peng Eu, Tung-Shan Fu, Hsiang-Chun Hsu, Hsin-Chieh Liao, and Wei-Liang Sun

Signed Mahonian identities on permutations with subsequence restrictions (12 pp.)

[82B.22] Arthur L. Gershon

On the asymptotic enumeration of restricted strip arrangements of a chessboard (8 pp.)

[82B.23] Camille Combe

Cubic realizations of Tamari interval lattices (12 pp.)

[82B.24] Farid Aliniaeifard and Nathaniel Thiem

Pattern groups and a poset based Hopf monoid (12 pp.)

[82B.25] Karim Adiprasito, Gaku Liu, and Michael Temkin

Semistable reduction in characteristic 0 (10 pp.)

[82B.26] Nicholas R. Beaton, Aleksander L. Owczarek, and Ruijie Xu

Quarter-plane lattice paths with interacting boundaries: Kreweras and friends (12 pp.)

[82B.27] Cara Monical, Oliver Pechenik, and Travis Scrimshaw

Crystal structures for symmetric Grothendieck polynomials (12 pp.)

[82B.28] Rahul Ilango, Oliver Pechenik, and Michael Zlatin

Unique rectification in d-complete posets (12 pp.)

[82B.29] Eric Marberg and Brendan Pawlowski

Stanley symmetric functions for signed involutions (12 pp.)

[82B.30] Hyunsoo Cho, JiSun Huh, and Jaebum Sohn

A bijection between ordinary partitions and self-conjugate partitions with same disparity (12 pp.)

[82B.31] Sami Assaf and Dominic Searles

Skew polynomials and extended Schur functions (12 pp.)

[82B.32] Jean-Christophe Aval, Théo Karaboghossian, and Adrian Tanasa

Polynomial invariants and reciprocity theorems for the Hopf monoid of hypergraphs and its sub-monoids (12 pp.)

[82B.33] 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 (12 pp.)

[82B.34] Dan Betea, Jérémie Bouttier, Peter Nejjar, and Mirjana Vuletić

New edge asymptotics of skew Young diagrams via free boundaries (11 pp.)

[82B.35] Christian Gaetz and Yibo Gao

The weak Bruhat order on the symmetric group is Sperner (8 pp.)

[82B.36] Cesar Ceballos, Wenjie Fang, and Henri Mühle

The Steep-Bounce Zeta Map in Parabolic Cataland (12 pp.)

[82B.37] Connor Ahlbach and Joshua P. Swanson

Thrall's problem: cyclic sieving, necklaces, and branching rules (12 pp.)

[82B.38] Eli Bagno, Riccardo Biagioli, and David Garber

Some identities involving second kind Stirling numbers of types B and D (12 pp.)

[82B.39] Spencer Backman, Francisco Santos, and Chi Ho Yuen

Topological bijections for oriented matroids (12 pp.)

[82B.40] Cédric Lecouvey and Cristian Lenart

Atomic decomposition of characters and crystals (12 pp.)

[82B.41] Ezgi Kantarcı Oğuz

Descent polynomials, peak polynomials and an involution on permutations (7 pp.)

[82B.42] Adam Clearwater and Mark Skandera

Total nonnegativity and evaluations of Hecke algebra characters (12 pp.)

[82B.43] Robert Mcalmon, Suho Oh, and David Xiang

Flats of a positroid from its decorated permutation (12 pp.)

[82B.44] Alexander Garver, Rebecca Patrias, and Hugh Thomas

Minuscule reverse plane partitions via quiver representations (12 pp.)

[82B.45] Christopher Eur

Divisors on matroids and their volumes (12 pp.)

[82B.46] Joseph Doolittle and Bennet Goeckner

Resolving Stanley's conjecture on k-fold acyclic complexes (9 pp.)

[82B.47] Duncan Levear

A bijection for Shi arrangement faces (12 pp.)

[82B.48] Baptiste Louf

Simple formulas for constellations and bipartite maps with prescribed degrees (12 pp.)

[82B.49] Sheila Sundaram

On the Schur positivity of sums of power sums (12 pp.)

[82B.50] Emily Barnard and Thomas McConville

Lattices from graph associahedra (12 pp.)

[82B.51] Henri Derycke and Yvan Le Borgne

Restricted Tutte polynomials for some periodic oriented forests on infinite square lattice (12 pp.)

[82B.52] Anshul Adve, Colleen Robichaux, and Alexander Yong

Computational complexity, Newton polytopes, and Schubert polynomials (12 pp.)

[82B.53] Jehanne Dousse

On partition identities of Capparelli and Primc (12 pp.)

[82B.54] Ben Salisbury and Travis Scrimshaw

Candidate for the crystal B(-\infty) for the queer Lie superalgebra (12 pp.)

[82B.55] Gene B. Kim and Sangchul Lee

Modifying Curtiss' theorem to prove central limit theorems (12 pp.)

[82B.56] Kyle P. Meyer

Descent representations of generalized coinvariant algebras (12 pp.)

[82B.57] Joel Brewster Lewis and Alejandro H. Morales

Factorization problems in complex reflection groups (12 pp.)

[82B.58] Tom Halverson

Set-partition tableaux, symmetric group multiplicities, and partition algebra modules (12 pp.)

[82B.59] Samantha Dahlberg

A new formula for Stanley's chromatic symmetric function for unit interval graphs and e-positivity for triangular ladder graphs (12 pp.)

[82B.60] Marcelo Aguiar, Jose Bastidas, and Swapneel Mahajan

Characteristic elements for real hyperplane arrangements (12 pp.)

[82B.61] Per Alexandersson and Robin Sulzgruber

P-partitions and p-positivity (12 pp.)

[82B.62] C. Matthew Farmer and Joshua Hallam

The noncrossing bond poset of a graph (12 pp.)

[82B.63] Zachary Hamaker, Eric Marberg, and Brendan Pawlowski

Involution pipe dreams (12 pp.)

[82B.64] Stephen Melczer, Greta Panova, and Robin Pemantle

Counting partitions inside a rectangle (12 pp.)

[82B.65] Michele D'Adderio, Alessandro Iraci, and Anna Vanden Wyngaerd

Delta conjectures (12 pp.)

[82B.66] Eric Marberg and Yifeng Zhang

Affine transitions for involution Stanley symmetric functions (12 pp.)

[82B.67] Ron M. Adin, Ira M. Gessel, Victor Reiner, and Yuval Roichman

Cyclic quasi-symmetric functions (12 pp.)

[82B.68] Satyan L. Devadoss, Cassandra Durell, and Stefan Forcey

Split network polytopes and network spaces (12 pp.)

[82B.69] Jan Draisma and Felipe Rincón

Tropical ideals do not realise all Bergman fans (11 pp.)

[82B.70] Mireille Bousquet-Mélou, Andrew Elvey Price, and Paul Zinn-Justin

Eulerian orientations and the six-vertex model on planar maps (12 pp.)

[82B.71] Nancy Wallace

Explicit combinatorial formulas for some irreducible characters of the GL_k x S_n-module of multivariate diagonal harmonics (12 pp.)

[82B.72] David Harry Richman

The distribution of Weierstrass points on a tropical curve (12 pp.)

[82B.73] Cédric Lecouvey and Pierre Tarrago

Alcove random walks and k-Schur functions (12 pp.)

[82B.74] Emily Gunawan and Ralf Schiffler

Unitary friezes and frieze vectors (12 pp.)

[82B.75] Manfred Buchacher and Manuel Kauers

Inhomogeneous restricted lattice walks (12 pp.)

[82B.76] Cesar Ceballos and Viviane Pons

The s-weak order and s-permutahedra (12 pp.)

[82B.77] Sami Assaf and Stephanie van Willigenburg

Skew key polynomials and the key poset (12 pp.)

[82B.78] Nadia Lafrenière

Eigenvalues of symmetrized shuffling operators (12 pp.)

[82B.79] Michael Chmutov, Gabriel Frieden, Dongkwan Kim, Joel B. Lewis, and Elena Yudovina

An affine generalization of evacuation (12 pp.)

[82B.80] Oleksandra Gasanova

Powers of monomial ideals and the Ratliff-Rush operation (12 pp.)

[82B.81] Rachel Bailey and Emily Gunawan

Cluster algebras and binary words (12 pp.)

[82B.82] Jérémie Bettinelli

Slit-slide-sew bijections for bipartite and quasibipartite plane maps (12 pp.)

[82B.83] Iva Halacheva, Allen Knutson, and Paul Zinn-Justin

Restricting Schubert classes to symplectic Grassmannians using self-dual puzzles (12 pp.)

[82B.84] Svante Linusson, Samu Potka, and Robin Sulzgruber

On random shifted standard Young tableaux and 132-avoiding sorting networks (12 pp.)

[82B.85] Sunita Chepuri

Plabic R-matrices (12 pp.)

[82B.86] Darij Grinberg

A quotient of the ring of symmetric functions generalizing quantum cohomology (12 pp.)

[82B.87] Alina R. Mayorova and Ekaterina A. Vassilieva

A q-deformed type B Cauchy identity and Chow's quasisymmetric functions (12 pp.)

[82B.88] Esther Banaian and Elizabeth Kelley

Snake graphs and frieze patterns from orbifolds (12 pp.)

[82B.89] Mariel Supina

The Hopf monoid of orbit polytopes (12 pp.)

[82B.90] Rebecca Goldin and Allen Knutson

Schubert structure operators (12 pp.)

[82B.91] Mario Sanchez

Möbius inversion as duality for Hopf monoids (12 pp.)

[82B.92] Theo Douvropoulos

On enumerating factorizations in reflection groups (12 pp.)

[82B.93] Alexander Lazar and Michelle L. Wachs

On the homogenized Linial arrangement: intersection lattice and Genocchi numbers (12 pp.)

[82B.94] Michael Joseph and Tom Roby

Birational antichain toggling and rowmotion (12 pp.)

[82B.95] Dave Anderson, Takeshi Ikeda, Minyoung Jeon, and Ryotaro Kawago

Multiplicities of Schubert varieties in the symplectic flag variety (12 pp.)

[82B.96] Eric Stucky

Cyclic sieving, necklaces, and bracelets (12 pp.)

[82B.97] Sylvie Corteel, Olya Mandelshtam, and Lauren Williams

From multiline queues to Macdonald polynomials via the exclusion process (12 pp.)

[82B.98] Federico Ardila, Federico Castillo, Christopher Eur, and Alex Postnikov

Deformations of Coxeter permutahedra and Coxeter submodular functions (12 pp.)

[82B.99] Federico Castillo and José Alejandro Samper

Finiteness theorems for matroid complexes with prescribed topology (12 pp.)

Software Presentations

[82B.100] Katja Berčič

Supporting data-driven mathematics: database and interface generation (6 pp.)

[82B.101] Antonio Jiménez-Pastor

DD-finite functions in Sage (8 pp.)

[82B.102] Wencin Poh and Anne Schilling

Queer supercrystals in SageMath (11 pp.)

[82B.103] Martin Rubey and Christian Stump

FindStat - a database and search engine for combinatorial statistics and maps (8 pp.)

[82B.104] Lorenzo Venturello

Balanced triangulations on few vertices and an implementation of cross-flips (12 pp.)

[82B.105] Janoš Vidali

Computing distance-regular graph and association scheme parameters in SageMath with sage-drg (8 pp.)