Geodesic

Tome 27 (2020) no. 3

Sommaire

Statistics on partitions arising from seaweed algebras
A note on the Poljak-Rödl function
Bounded degree spanners of the hypercube
Slit-slide-sew bijections for bipartite and quasibipartite plane maps
The almost intersection property for pairs of matroids on common groundset
Homomorphisms of sparse signed graphs
Mutually orthogonal binary frequency squares
Zeta functions with respect to general coined quantum walk of periodic graphs
Berge cycles in non-uniform hypergraphs
Freeness of hyperplane arrangements between Boolean arrangements and Weyl arrangements of type \(B_{\ell}\)
Circuit-difference matroids
The asymptotic induced matching number of hypergraphs: balanced binary strings
On the 486-vertex distance-regular graphs of Koolen-Riebeek and Soicher
The absolute orders on the Coxeter groups \(A_n\) and \(B_n\) are Sperner
Crystal structures for double Stanley symmetric functions
\(S\)-hypersimplices, pulling triangulations, and monotone paths
Pure \(\mathcal{O}\)-sequences arising from \(2\)-dimensional PS ear-decomposable simplicial complexes
Rainbow matchings of size \(m\) in graphs with total color degree at least \(2mn\)
Counting triangles in power-law uniform random graphs
Gamma positivity of the descent based Eulerian polynomial in positive elements of classical Weyl groups
Translation hyperovals and \(\mathbb{F}_2\)-linear sets of pseudoregulus type
Exact minimum codegree thresholds for \(K_4^-\)-covering and \(K_5^-\)-covering
Sorting permutations with fixed pinnacle set
A combinatorial model for the decomposition of multivariate polynomial rings as \(S_n\)-modules
Covers, orientations and factors
Delay colouring in quartic graphs
The \(1/k\)-Eulerian polynomials of type \(B\)
Diameter and stationary distribution of random \(r\)-out digraphs
Two-dimensional partial cubes
Edge-distinguishing of star-free graphs
\(4\)-colouring of generalized signed planar graphs
Sorting with pattern-avoiding stacks: the \(132\)-machine
Linked partition ideals, directed graphs and \(q\)-multi-summations
Grossberg-Karshon twisted cubes and hesitant jumping walk avoidance
A bijective proof of the ASM theorem. I: The operator formula
A recursive construction for skew Hadamard difference sets
Macdonald polynomials and chromatic quasisymmetric functions
On local packings of the cross-polytope
A Dirac-type theorem for Berge cycles in random hypergraphs
Average Betti numbers of induced subcomplexes in triangulations of manifolds
Convexity in ordered matroids and the generalized external order
Avoiding 5/4-powers on the alphabet of nonnegative integers
Another approach to non-repetitive colorings of graphs of bounded degree
Hidden symmetries of weighted lozenge tilings
Permutations avoiding a simsun pattern
Extendable shellability for \(d\)-dimensional complexes on \(d+3\) vertices
Codegree threshold for tiling balanced complete \(3\)-partite \(3\)-graphs and generalized \(4\)-cycles
A degree sequence version of the Kühn-Osthus tiling theorem
Restricted online Ramsey numbers of matchings and trees
Level algebras and \(\boldsymbol{s}\)-lecture hall polytopes
Quantifying noninvertibility in discrete dynamical systems
Infinite Latin squares: neighbor balance and orthogonality
Chromatic vertex Folkman numbers
Frameworks for two-dimensional Keller maps
On graphs whose orientations are determined by their Hermitian spectra
Optimal play for multiple lottery wins
Fast strategies in Waiter-Client games
Hat guessing numbers of degenerate graphs
Some properties of the \(k\)-bonacci words on infinite alphabet
Lozenge tiling function ratios for hexagons with dents on two sides
On arithmetic progressions in symmetric sets in finite field model
The average distance and the diameter of dense random regular graphs