Geodesic

Sommaire du Fascicule no. 1

Extremal trees with fixed degree sequence
Conditions for a bigraph to be super-cyclic
On the spectra of general random mixed graphs
Avoidability of palindrome patterns
The component counts of random injections
A polynomial time algorithm to find the star chromatic index of trees
Extending perfect matchings to Hamiltonian cycles in line graphs
Display sets of normal and tree-child networks
Hirzebruch-type inequalities viewed as tools in combinatorics
Monochromatic components in edge-coloured graphs with large minimum degree
Non-separating planar graphs
Root cones and the resonance arrangement
On the size of \((K_t,\mathcal{T}_k)\)-co-critical graphs
Circuit covers of signed Eulerian graphs
Classifications of \(\Gamma\)-colored \(d\)-complete posets and upper \(P\)-minuscule Borel representations
The non-commuting, non-generating graph of a nilpotent group
Birational rowmotion and Coxeter-motion on minuscule posets
Towards degree distribution of a duplication-divergence graph model
Graphs with no induced \(K_{2,t}\)
Minimum-weight combinatorial structures under random cost-constraints
The threshold for the full perfect matching color profile in a random coloring of random graphs
A randomly weighted minimum spanning tree with a random cost constraint
All minor-minimal apex obstructions with connectivity two
Limit densities of patterns in permutation inflations
The \(k\)-cut model in deterministic and random trees
Many cliques with few edges
Prisoners, rooms, and light switches
Domino tilings of cylinders: connected components under flips and normal distribution of the twist
Covering minimal separators and potential maximal cliques in \(P_t\)-free graphs
An introduction to supersymmetric cluster algebras
The smallest matroids with no large independent flat
Inequalities for doubly nonnegative functions
The size of the giant joint component in a binomial random double graph
Coloring the \(n\)-smooth numbers with \(n\) colors
Cycle decompositions of complete digraphs
Hamiltonian cycles in tough \((P_2\cup P_3)\)-free graphs
Refined counting of core partitions into \(d\)-distinct parts
De Finetti lattices and magog triangles
Classification of toric log del Pezzo surfaces with few singular points
Supersaturation, counting, and randomness in forbidden subposet problems
Polynomially bounding the number of minimal separators in graphs: reductions, sufficient conditions, and a dichotomy theorem
On prime-valent symmetric Cayley graphs of finite simple groups
On the strong Hanani-Tutte theorem
Largest component and node fault tolerance for grids
Algebraic properties of the coordinate ring of a convex polyomino
On Ramsey-minimal infinite graphs
On the combinatorics of symmetrized poly-Bernoulli numbers
Uniquely \(D\)-colourable digraphs with large girth. II: Simplification via generalization
Determining the circular flow number of a cubic graph
Regularity and the Gorenstein property of \(L\)-convex polyominoes
Shannon capacity and the categorical product
Generalized Catalan numbers from hypergraphs
Skeleton ideals of certain graphs, standard monomials and spherical parking functions
\(k\)-pop stack sortable permutations and \(2\)-avoidance
Induced Ramsey number for a star versus a fixed graph
Symmetric polynomials in the symplectic alphabet and the change of variables \(z_j = x_j + x_j^{-1}\)
On self-Mullineux and self-conjugate partitions
The Sprague-Grundy functions of saturations of misère Nim
On the maximum number of integer colourings with forbidden monochromatic sums
Some instances of homomesy among ideals of posets

Sommaire du Fascicule no. 2

A vertex-weighted Tutte symmetric function, and constructing graphs with equal chromatic symmetric function
Prolific permutations
A note on transitive union-closed families
Forbidding \(K_{2,t}\) traces in triple systems
Algorithmically distinguishing irreducible characters of the symmetric group
Bijections between walks inside a triangular domain and Motzkin paths of bounded amplitude
Almost intersecting families
Restricted extension of sparse partial edge colorings of complete graphs
The Erdős-Hajnal property for graphs with no fixed cycle as a pivot-minor
Ramsey theory for layered semigroups
Vertex colouring edge weightings: a logarithmic upper bound on weight-choosability
Grundy domination of forests and the strong product conjecture
Almost simple groups of Lie type and symmetric designs with \(\lambda\) prime
Coloring problems on bipartite graphs of small diameter
The top-degree part in the matchings-Jack conjecture
Almost all permutation matrices have bounded saturation functions
A note on complex-4-colorability of signed planar graphs
The Graham-Knuth-Patashnik recurrence: symmetries and continued fractions
Characters and chromatic symmetric functions
Square-free graphs with no induced fork
Two maps on affine type \(A\) crystals and Hecke algebras
On the sizes of bipartite 1-planar graphs
A note on the Erdős-Szekeres theorem in two dimensions
Answers to two questions on the DP color function
Diameter three orientability of bipartite graphs
Random perturbation of sparse graphs
Extension of Gyárfás-Sumner conjecture to digraphs
Rank selection and depth conditions for balanced simplicial complexes
Symplectic keys and Demazure atoms in type \(C\)
Norton algebras of the Hamming graphs via linear characters
Majority colorings of sparse digraphs
Squarefree powers of edge ideals of forests
Betti numbers of weighted oriented graphs
A subexponential upper bound for van der Waerden numbers \(W(3,k)\)
Tomaszewski's problem on randomly signed sums, revisited
Hidden words statistics for large patterns
Note on long paths in Eulerian digraphs
A geometric and combinatorial exploration of Hochschild lattices
Elastic elements in 3-connected matroids
On the \(e\)-positivity of \((claw, 2K_2)\)-free graphs
A new upper bound on extremal number of even cycles
Large monochromatic components in almost complete graphs and bipartite graphs
A generalization of Stiebitz-type results on graph decomposition
Circular chromatic number of signed graphs
Lattice polytopes from Schur and symmetric Grothendieck polynomials
On the intersection distribution of degree three polynomials and related topics
Structure and colour in triangle-free graphs
The normalized matching property in random and pseudorandom bipartite graphs
Asymptotics of 3-stack-sortable permutations
Hopf algebra structure of generalized quasi-symmetric functions in partially commutative variables
Channels, billiards, and perfect matching 2-divisibility

Sommaire du Fascicule no. 3

Computation of Al-Salam Carlitz and Askey-Wilson moments using Motzkin paths
The chromatic number of two families of generalized Kneser graphs related to finite generalized quadrangles and finite projective 3-spaces
A discrete Morse perspective on knot projections and a generalised clock theorem
Forbidden subgraphs of power graphs
On automorphisms of direct products of Cayley graphs on abelian groups
A greedoid and a matroid inspired by Bhargava's \(p\)-orderings
Half-graphs, other non-stable degree sequences, and the switch Markov chain
A generalization of the Bollobás set pairs inequality
Linear compactness and combinatorial bialgebras
Connector-breaker games on random boards
Representing graphs as the intersection of cographs and threshold graphs
Minimal automaton for multiplying and translating the Thue-Morse set
Partitions and the maximal excludant
Crossings and nestings over some Motzkin objects and \(q\)-Motzkin numbers
Transition matrices between Young's natural and seminormal representations
A note on restricted online Ramsey numbers of matchings
Duality pairs and homomorphisms to oriented and unoriented cycles
Permutations avoiding certain partially-ordered patterns
Variations on twins in permutations
A generalization of partition identities for first differences of partitions of \(n\) into at most \(m\) parts
Enumeration of planar constellations with an alternating boundary
Laplacian fractional revival on graphs
On the independent set sequence of a tree
Rainbow pancyclicity in graph systems
On asymmetric colourings of claw-free graphs
Perron and Frobenius meet Carathéodory
An upper bound for the size of \(s\)-distance sets in real algebraic sets
Nearly Gorenstein rings arising from finite graphs
Packing of mixed hyperarborescences with flexible roots via matroid intersection
Up- and down-operators on Young's lattice
An order on circular permutations
On the \(P_3\)-hull number of Kneser graphs
The geometric kernel of integral circulant graphs
The unit acquisition number of binomial random graphs
A note on repeated degrees of line graphs
Spectra of random regular hypergraphs
On the joint distribution of descents and signs of permutations
Stability of stretched root systems, root posets and shards
Bounds on antipodal spherical designs with few angles
Counting parabolic double cosets in symmetric groups
Permutation reconstruction from a few large patterns
Turán density of 2-edge-colored bipartite graphs with application on \(\{2, 3\}\)-hypergraphs
Eckhoff's problem on convex sets in the plane
On finite subnormal Cayley graphs
The linkedness of cubical polytopes: the cube
Spectral extremal results for hypergraphs
The index and spectrum of Lie poset algebras of types B, C, and D
Transversals, near transversals, and diagonals in iterated groups and quasigroups
Explicit Pieri inclusions
Sharp minimum degree conditions for the existence of disjoint theta graphs
Tight bounds on the clique chromatic number
On the maximum diameter of \(k\)-colorable graphs
A consecutive Lehmer code for parabolic quotients of the symmetric group
Trees, forests, and total positivity. I: \(q\)-trees and \(q\)-forests matrices
Partitioning permutations into monotone subsequences
Mating of discrete trees and walks in the quarter-plane
Planar lattice subsets with minimal vertex boundary
Discrete quantitative nodal theorem
Quickly proving Diestel's normal spanning tree criterion
Completing partial transversals of Cayley tables of Abelian groups

Sommaire du Fascicule no. 4

The rotor-routing torsor and the Bernardi torsor disagree for every non-planar ribbon graph
The Bernardi formula for nontransitive deformations of the braid arrangement
Edge-disjoint branchings in temporal digraphs
The maximum number of copies of \(K_{r,s}\) in graphs without long cycles or paths
Jones' conjecture in subcubic graphs
Two results on Ramsey-Turán theory
Normal polytopes and ellipsoids
Removahedral congruences versus permutree congruences
Counting non-crossing permutations on surfaces of any genus
The Erdős-Ko-Rado theorem for 2-pointwise and 2-setwise intersecting permutations
Cameron-Liebler \(k\)-sets in \(\text{AG}(n,q)\)
Characterizations of the \(G_2(4)\) and \(L_3(4)\) near octagons
A graph theory of rook placements
Some applications of Wagner's weighted subgraph counting polynomial
Zero-sum squares in bounded discrepancy \(\{-1,1\}\)-matrices
Matching complexes of \(3 \times n\) grid graphs
Principal specialization of dual characters of flagged Weyl modules
Toppling on permutations with an extra chip
Nonrepetitively 3-colorable subdivisions of graphs with a logarithmic number of subdivisions per edge
Saturation number of \(tK_{l,l,l}\) in the complete tripartite graph
A characteristic polynomial for the transition probability matrix of correlated random walks on a graph
Improved packings of \(n(n - 1)\) unit squares in a square
On factors of independent transversals in \(k\)-partite graphs
Bell polynomials and nonlinear inverse relations
Transversals and bipancyclicity in bipartite graph families
Resolutions of convex geometries
Popular differences for right isosceles triangles
Transitive avoidance games on boards of odd size
Bijections for faces of the Shi and Catalan arrangements
Asymptotic properties of random unlabelled block-weighted graphs
Biconed graphs, weighted forests, and \(h\)-vectors of matroid complexes
Generalized planar Turán numbers
On bipartite distinct distances in the plane
Paths of length three are \(K_{r+1}\)-Turán-good
Cycles in color-critical graphs
On the number of sum-free triplets of sets
Generalizations and strengthenings of Ryser's conjecture
Twenty Vertex model and domino tilings of the Aztec triangle
The exact linear Turán number of the sail
Diameters of cocircuit graphs of oriented matroids: an update
A survey of the Hadamard maximal determinant problem
\(r\)-critical numbers of natural intervals
On automorphisms of the double cover of a circulant graph
A combinatorial formula for Kazhdan-Lusztig polynomials of sparse paving matroids
Thin distance-regular graphs with classical parameters \((D, q, q, \frac{q^t-1}{q-1}-1)\) with \(t> D\) are the Grassmann graphs
Integral mixed Cayley graphs over abelian groups
Smaller extended formulations for spanning tree polytopes in minor-closed classes and beyond
A combinatorial bijection on di-sk trees
Automorphisms and some geodesic properties of ortho-Grassmann graphs
The choice number versus the chromatic number for graphs embeddable on orientable surfaces
Periodic solutions of one-dimensional cellular automata with uniformly chosen random rules
Pattern avoidance over a hypergraph
Regarding two conjectures on clique and biclique partitions
Combinatorial game distributions of Steiner systems
A new algorithm for embedding plane graphs at fixed vertex locations