On multivariate Newton-like inequalities
On natural join of posets properties and first applications
On Negami's planar cover conjecture
On new sum-product type estimates
On Nilpotence of a Kind of Circulant Matrices over Zp
On Non-central Stirling Numbers of the First Kind
On non-even digraphs and symplectic pairs
On non-Hamiltonian circulant digraphs of outdegree three
On Non-intersecting Arithmetic Progressions
On Non-Squashing Partitions
On Noncrossing and nonnesting partitions of type D
On nowhere continuous Costas functions and infinite Golomb rulers
On Number of Compositions of Natural Numbers
On numbers and endgames: Combinatorial game theory in chess endgames
On Obtaining a Minimally-Valued Derangement in a Symmetric Cost Matrix
On operators on polynomials preserving real-rootedness and the Neggers-Stanley Conjecture
On optimizing discrete Morse functions
On orbits of antichains of positive roots
On Orbits of Order Ideals of Minuscule Posets
On Order and Rank of Graphs