n! matchings, n! posets

n-Ary quasigroups of order 4

N-person envy-free chore division

Natural endomorphisms of quasi-shuffle Hopf algebras

Natural join construction of graded posets versus ordinal sum and discrete hyper boxes

Natural realizations of sparsity matroids

Nauty in Macaulay2

NBB bases of some pattern avoiding lattices

NCS Systems over Differential Operator Algebras and the Grossman-Larson Hopf Algebras of Labeled Rooted Trees

Near universal cycles for subsets exist

Near-central Permutation Factorization and Strahov's Generalized Murnaghan-Nakayama Rule

Nearly optimal embeddings of trees

Necessary Conditions for Schur-Positivity

Negative Eigenvalues of the Adjacency Matrix and Lower Bounds for Laplacian Eigenvalues

Negative Latin square type partial difference sets in nonelementary abelian 2-groups

Negatively correlated random variables and Mason's conjecture

Neighborhood complexes and generating functions for affine semigroups

Neighborliness of Marginal Polytopes

Neighborly cubical polytopes

Neighborly Cubical Polytopes and Spheres