Geodesic

Sommaire du Fascicule no. 1

Graphical Mahonian statistics on words
Linear polychromatic colorings of hypercube faces
On Ehrhart polynomials of lattice triangles
Improved bounds for the Graham-Pollak problem for hypergraphs
Bounds on parameters of minimally nonlinear patterns
The \(r\)-matching sequencibility of complete graphs
Equidistributions of Mahonian statistics over pattern avoiding permutations
On parking functions and the zeta map in types \(B\), \(C\) and \(D\)
The structure of delta-matroids with width one twists
\((q,t)\)-characters of Kirillov-Reshetikhin modules of type \(A_r\) as quantum cluster variables
Undesired parking spaces and contractible pieces of the noncrossing partition link
Some new groups which are not CI-groups with respect to graphs
Nonexistence of certain singly even self-dual codes with minimal shadow
The cycle polynomial of a permutation group
Two-vertex generators of Jacobians of graphs
A large set of torus obstructions and how they were discovered
Kirillov's unimodality conjecture for the rectangular Narayana polynomials
Toggling independent sets of a path graph
Chip-firing on trees of loops
Zero sum partition of abelian groups into sets of the same order and its applications
A rational Catalan formula for \((m,3)\)-Hikita polynomials
A flag Whitney number formula for matroid Kazhdan-Lusztig polynomials
Parabolic double cosets in Coxeter groups
Generalized non-crossing partitions and buildings
Likelihood orders for the \(p\)-cycle walks on the symmetric group
The \(Z\)-polynomial of a matroid
Fully packed loop configurations: polynomiality and nested arches
A refined count of Coxeter element reflection factorizations
An arithmetic property of moments of the \(\beta\)-Hermite ensemble and certain map enumerators
Cubic graphs and related triangulations on orientable surfaces
Context-free grammars for several polynomials associated with Eulerian polynomials
Lecture Hall partitions and the affine hyperoctahedral group
Fixed points of the evacuation of maximal chains on fuss shapes
Symmetries of unlabelled planar triangulations
Burling graphs, chromatic number, and orthogonal tree-decompositions
Conserved quantities of Q-systems from dimer integrable systems
\(q\)-Stirling identities revisited
Almost tiling of the Boolean lattice with copies of a poset
Non-classical hyperplanes of finite thick dual polar spaces
The existence of a path-factor without small odd paths
Obstructions to combinatorial formulas for plethysm
The Cayley isomorphism property for Cayley maps
The orthomorphism graph \(\mathcal{L}_3(q)\)
Operads of finite posets
Partitioning sparse graphs into an independent set and a forest of bounded degree
On the stability of independence polynomials
Coloring cross-intersecting families
Eulerian numbers associated with arithmetical progressions
On the minimum size of an identifying code over all orientations of a graph
A Brooks type theorem for the maximum local edge connectivity
A better lower bound on average degree of online \(k\)-list-critical graphs
On bipartite \(Q\)-polynomial distance-regular graphs with diameter 9, 10, or 11
Upper bound on the circular chromatic number of the plane
A classification of Motzkin numbers modulo 8
On almost-planar graphs
Extremal numbers for directed hypergraphs with two edges
Core partitions with distinct parts
A combinatorial proof of a formula of Biane and Chapuy
Equivalence of edge bicolored graphs on surfaces
On the diameter of dual graphs of Stanley-Reisner rings and Hirsch type bounds on abstractions of polytopes
On repetition thresholds of caterpillars and trees of bounded degree
Induced 2-degenerate subgraphs of triangle-free planar graphs
On the extremal Betti numbers of binomial edge ideals of block graphs
Periods of Ehrhart coefficients of rational polytopes
Connected order ideals and \(P\)-partitions
Extensions of partial cyclic orders, Euler numbers and multidimensional boustrophedons
Covering a graph with cycles of length at least 4
Rook placements and Jordan forms of upper-triangular nilpotent matrices
Symmetric chain decompositions of products of posets with long chains
Piercing axis-parallel boxes
A characterization of Hermitian varieties as codewords
Constraining the clustering transition for colorings of sparse random graphs
Finding balance: split graphs and related classes
Every plane graph is facially-non-repetitively \(C\)-choosable

Sommaire du Fascicule no. 2

Sharp lower bounds on the spectral radius of uniform hypergraphs concerning degrees
Eigenvalue bounds for the signless \(p\)-Laplacian
Residual \(q\)-Fano planes and related structures
On the poset and asymptotics of Tesler matrices
Hamilton circles in Cayley graphs
On the existence of Frobenius digraphical representations
Even subgraph expansions for the flow polynomial of planar graphs with maximum degree at most 4
A new approach for examining \(q\)-Steiner systems
Clique trees of infinite locally finite chordal graphs
Vertex-transitive direct products of graphs
Hypergraph saturation irregularities
On vertex-disjoint paths in regular graphs
A new upper bound for cancellative pairs
Erdős-Ginzburg-Ziv constants by avoiding three-term arithmetic progressions
On the smallest snarks with oddness 4 and connectivity 2
Bipartite Ramsey numbers for graphs of small bandwidth
On Bergeron's positivity problem for \(q\)-binomial coefficients
Subgraphs with large minimum \(\ell\)-degree in hypergraphs where almost all \(\ell\)-degrees are large
Counting compositions over finite abelian groups
Anagram-free graph colouring
A generalization of Erdős' matching conjecture
Some variations on a theme of Irina Mel'nichuk concerning the avoidability of patterns in strings of symbols
Chromatic index, treewidth and maximum degree
Deferred on-line bipartite matching
Semiregular automorphisms in vertex-transitive graphs of order \(3p^2\)
Edge reconstruction of the Ihara zeta function
Avoiding fractional powers over the natural numbers
An easy subexponential bound for online chain partitioning
A note on the linear cycle cover conjecture of Gyárfás and Sárközy
Necessary conditions for Schur-maximality
Paths and cycles in random subgraphs of graphs with large minimum degree
The extremal function and Colin de Verdière graph parameter
A new upper bound on the game chromatic index of graphs
Defective 3-paintability of planar graphs
Convex geometries are extremal for the generalized Sauer-Shelah bound
Symmetries of shamrocks. II: Axial shamrocks
Nonempty intersection of longest paths in \(2K_2\)-free graphs
On two-sided gamma-positivity for simple permutations
Bispindles in strongly connected digraphs with large chromatic number
Flows in signed graphs with two negative edges
Hultman elements for the hyperoctahedral groups
On a conjecture regarding permutations which destroy arithmetic progressions
The complexity of computing the cylindrical and the \(t\)-circle crossing number of a graph
Toward the Schur expansion of Macdonald polynomials
Maximal planar subgraphs of fixed girth in random graphs
A note on not-4-list colorable planar graphs
Binary covering arrays on tournaments
On the adjacency spectra of hypertrees
On the isomorphism problem for Cayley graphs of abelian groups whose Sylow subgroups are elementary abelian or cyclic
A note on the expected length of the longest common subsequences of two i.i.d. random permutations
Proof of Chapoton's conjecture on Newton polygons of \(q\)-Ehrhart polynomials
Homogeneous 3-dimensional permutation structures
Relaxations of \(\mathrm{GF}(4)\)-representable matroids
On super-strong Wilf equivalence classes of permutations
On rainbow Hamilton cycles in random hypergraphs
Extending perfect matchings to Gray codes with prescribed ends

Sommaire du Fascicule no. 3

Extension from precoloured sets of edges
Defining the \(q\)-analogue of a matroid
Hamilton cycles in infinite cubic graphs
Ramsey equivalence of \(K_n\) and \(K_n+K_{n-1}\)
Proper distinguishing colorings with few colors for graphs with girth at least 5
Parallel enumeration of triangulations
Crystals and Schur \(P\)-positive expansions
Primary decomposition of ideals of lattice homomorphisms
On arc-transitive metacyclic covers of graphs with order twice a prime
Maximal bootstrap percolation time on the hypercube via generalised snake-in-the-box
Random enriched trees with applications to random graphs
Countable Menger's theorem with finitary matroid constraints on the ingoing edges
Hamiltonicity in locally finite graphs: two extensions and a counterexample
EW-tableaux, Le-tableaux, tree-like tableaux and the abelian sandpile model
A note on intervals in the Hales-Jewett theorem
On Reay's relaxed Tverberg conjecture and generalizations of Conway's thrackle conjecture
On different ``middle parts'' of a tree
On the strong chromatic index of sparse graphs
Sets with few differences in abelian groups
The isoperimetric number of the incidence graph of \(\operatorname{PG}(n,q)\)
Quasiregular matroids
Hypertopes with tetrahedral diagram
Universal layered permutations
Reconfiguration on nowhere dense graph classes
Monops, monoids and operads: the combinatorics of Sheffer polynomials
On graphs whose flow polynomials have real roots only
Excluding hooks and their complements
Cubic edge-transitive bi-\(p\)-metacirculants
Linear bound for majority colourings of digraphs
Identities in plactic, hypoplactic, sylvester, Baxter, and related monoids
Strong chromatic index of graphs with maximum degree four
Domination and fractional domination in digraphs
Vertex covering with monochromatic pieces of few colours
Quasirandomness in hypergraphs
Note on the multicolour size-Ramsey number for paths
Increasing the minimum distance of codes by twisting
An orthosymplectic Pieri rule
Topological infinite gammoids, and a new Menger-type theorem for infinite graphs
Pentagon contact representations
Non-fringe subtrees in conditioned Galton-Watson trees
A notion of inversion number associated to certain quiver flag varieties
Powerful sets: a generalisation of binary matroids
The Turán polytope
Hamilton cycles in sparse robustly expanding digraphs
Vertex degree sums for perfect matchings in 3-uniform hypergraphs
Diagrams and essential sets for signed permutations
Lattice points and simultaneous core partitions
On the rank and periodic rank of finite dynamical systems
Forbidden subposet problems for traces of set families
A Sundaram type bijection for \(\mathrm{SO}(3)\): vacillating tableaux and pairs of standard Young tableaux and orthogonal Littlewood-Richardson tableaux
The diachromatic number of digraphs

Sommaire du Fascicule no. 4

Generating asymptotics for factorially divergent sequences
Reflexive graphs with near unanimity but no semilattice polymorphisms
On robust colorings of Hamming-distance graphs
Cohomology classes of interval positroid varieties and a conjecture of Liu
Random planar maps and graphs with minimum degree two and three
Polynomiality of certain average weights for oscillating tableaux
Counting proper colourings in 4-regular graphs via the Potts model
Planar transitive graphs
Coboundary categories and local rules
The largest pure partial planes of order 6 have size 25
Constant terms of near-Dyson polynomials
Linear dependence between hereditary quasirandomness conditions
The matching polynomials and spectral radii of uniform supertrees
A new perspective on the average mixing matrix
On the clique number of a strongly regular graph
Flip posets of Bruhat intervals
Shuffle-compatible permutation statistics. II: The exterior peak set
On the diameter of tree associahedra
Unique rectification in \(d\)-complete posets: towards the \(K\)-theory of Kac-Moody flag varieties
On the Schur positivity of \(\Delta_{e_{2}} e_n[X]\)
Using symbolic computation to prove nonexistence of distance-regular graphs
Infinite graphical Frobenius representations
Bounds for matchings in nonabelian groups
Analogies between the crossing number and the tangle crossing number
\(\lambda\)-Euler's difference table for colored permutations
Counting partitions of a fixed genus
On upper transversals in 3-uniform hypergraphs
Inverse Perron values and connectivity of a uniform hypergraph
Density of monochromatic infinite paths
Transversals, plexes, and multiplexes in iterated quasigroups
An algebra associated with a flag in a subspace lattice over a finite field and the quantum affine algebra
On the union complexity of families of axis-parallel rectangles with a low packing number
Path choosability of planar graphs
On the number of connected sets in bounded degree graphs
Uniquely \(K_r^{(k)}\)-saturated hypergraphs
Hamilton \(\ell\)-cycles in randomly perturbed hypergraphs
Random numerical semigroups and a simplicial complex of irreducible semigroups
A Sauer-Shelah-Perles lemma for sumsets
Degenerate Turán problems for hereditary properties
A new lower bound for the size of an affine blocking set
\((k,\lambda)\)-anti-powers and other patterns in words
Cyclic sieving, necklaces, and branching rules related to Thrall's problem
A family of partially ordered sets with small balance constant
Combinatorial interpretations of the Kreweras triangle in terms of subset tuples
Graph families with constant distance determinant
Coloring chains for compression with uncertain priors
Enumerations, forbidden subgraph characterizations, and the split-decomposition
Independent sets in the union of two Hamiltonian cycles
Bandwidth of graphs resulting from the edge clique covering problem
Distribution of coefficients of rank polynomials for random sparse graphs
Boxicity, poset dimension, and excluded minors
Random Kneser graphs and hypergraphs
Theta-vexillary signed permutations
Measures of edge-uncolorability of cubic graphs
Minimal obstructions for partial representations of interval graphs
Clique colourings of geometric graphs
On certain combinatorial expansions of the Legendre-Stirling numbers
Lozenge tilings of a halved hexagon with an array of triangles removed from the boundary. II
Hypergraph coverings and their zeta functions
Spectral and combinatorial properties of some algebraically defined graphs
Ramsey-Turán numbers for semi-algebraic graphs
Centroidal localization game
Signed cycle double covers
A two-sided analogue of the Coxeter complex
Partial characterization of graphs having a single large Laplacian eigenvalue
Minimal multiple blocking sets