A Gessel--Viennot-type method for cycle systems in a directed graph.
A high-tech proof of the Mills-Robbins-Rumsey determinant formula.
A homeomorphism of Q with Q as an orbit.
A hybrid of Darboux's method and singularity analysis in combinatorial asymptotics.
A left weighted Catalan extension.
A Marica-Schönheim Theorem for an Infinite Sequence of Finite Sets.
A multivariate arithmetic function of combinatorial and topological significance.
A multivariate interlace polynomial and its computation for graphs of bounded clique-width.
A multivariate Lagrange inversion formula for asymptotic calculations.
A natural extension of Catalan numbers.
A new approach to -Bernoulli numbers and -Bernoulli polynomials related to -Bernstein polynomials.
A new generating function of (-) Bernstein-type polynomials and their interpolation function.
A new statistic on linear and circular -mino arrangements.
A normalization formula for the Jack polynomials in superspace and an identity on partitions.
A note on divisibility of the number of matchings of a family of graphs.
A note on major sequences and external activity in trees.
A note on Möbius inversion over power set lattices
In this paper, we establish a theorem on Möbius inversion over power set lattices which strongly generalizes an early result of Whitney on graph colouring.
A note on naturally embedded ternary trees.
A note on palindromic delta-vectors for certain rational polytopes.
A note on permutations without runs of given length.