Geodesic

Tome 27 (2020) no. 1

Sommaire

Stack sorting with increasing and decreasing stacks
Schur and \(e\)-positivity of trees and cut vertices
On parity unimodality of \(q\)-Catalan polynomials
Voting rules that are unbiased but not transitive-symmetric
Maximal independent sets and maximal matchings in series-parallel and related graph classes
Permutations with orders coprime to a given integer
2413-balloon permutations and the growth of the Möbius function
Variations on the Petersen colouring conjecture
Incompatible double posets and double order polytopes
Ear decomposition and balanced neighborly simplicial manifolds
The rank function of a positroid and non-crossing partitions
The largest complete bipartite subgraph in point-hyperplane incidence graphs
The sum-free process
The \(\nu \)-Tamari lattice via \(\nu \)-trees, \( \nu \)-bracket vectors, and subword complexes
An Edmonds-Gallai-type decomposition for the \(j\)-restricted \(k\)-matching problem
Ramsey numbers of ordered graphs
Kazhdan-Lusztig polynomials of matroids under deletion
On forbidden poset problems in the linear lattice
Lattice representations with set partitions induced by pairings
Collapsibility of non-cover complexes of graphs
Perfect 2-colorings of the Grassmann graph of planes
On essentially 4-edge-connected cubic bricks
Constructions of maximum few-distance sets in Euclidean spaces
On the sets of \(n\) points forming \(n+1\) directions
A characterization of circle graphs in terms of multimatroid representations
Asymptotic enumeration of orientations of a graph as a function of the out-degree sequence
The Minkowski property and reflexivity of marked poset polytopes
MAT-free reflection arrangements
On the volumes and affine types of trades
Random graph's Hamiltonicity is strongly tied to its minimum degree
A simple proof for a forbidden subposet problem
Multicolor Ramsey numbers via pseudorandom graphs
A generalization of parking functions allowing backward movement
The Hopf monoid of hypergraphs and its sub-monoids: basic invariant and reciprocity theorem
On \(q\)-covering designs
\(d\)-Galvin families
One-factorisations of complete graphs constructed in Desarguesian planes of certain odd square orders
The classification of homogeneous finite-dimensional permutation structures
A statistics-respecting bijection between permutation matrices and descending plane partitions without special parts
Co-degrees resilience for perfect matchings in random hypergraphs
Cooperative colorings of trees and of bipartite graphs
2-neighbour-transitive codes with small blocks of imprimitivity
Shortness coefficient of cyclically 4-edge-connected cubic graphs
Generalized Ramsey numbers: forbidding paths with few colors
On unbalanced Boolean functions with best correlation immunity
The Nash-Williams conjecture and the dominating cycle conjecture
Index of seaweed algebras and integer partitions
Extremal square-free words
Group connectivity and group coloring: small groups versus large groups
Hereditary semiorders and enumeration of semiorders by dimension
Sects and lattice paths over the Lagrangian Grassmannian
Queens in exile: non-attacking queens on infinite chess boards
The asymptotic normality of \((s,s+1)\)-cores with distinct parts
Projections of antichains
\(b\)-invariant edges in essentially 4-edge-connected near-bipartite cubic bricks
Revisiting a theorem by Folkman on graph colouring
Constructions for the Elekes-Szabó and Elekes-Rónyai problems
Discordant voting protocols for cyclically linked agents
Stability for maximal independent sets
The Ramsey number of Fano plane versus tight path
Lozenge tilings of hexagons with central holes and dents
Maximal arcs, codes, and new links between projective planes of order 16
Hajós and Ore constructions for digraphs
Well-graded families and the union-closed sets conjecture
Sortable simplicial complexes and \(t\)-independence ideals of proper interval graphs
Tree-decorated planar maps
Upper tail bounds for stars