On the Wiener index and Laplacian coefficients of graphs with given diameter or radius
On the Wilf-Stanley limit of 4231-avoiding permutations and a conjecture of Arratia
On the X-rays of permutations
On the X=M=K Conjecture
On the Young-Fibonacci insertion algorithm
On the Zero Attractor of the Euler Polynomials
On Theta-palindromic Richness
On Three Different Notions of Monotone Subsequences
On tight Euclidean $6$-designs: an experimental result
On tight projective designs
On tight spherical designs
On tiling rectangles via the Frobenius number
On topological properties of families of finite sets
On topological relaxations of chromatic conjectures
On total dominating sets in graphs
On Touchard's continued fraction and extensions: combinatorics-free, self-contained proofs
On translation invariant symmetric polynomials and Haldane's conjecture
On Tree-Partition-Width
On triangulations with high vertex degree
On triply even binary codes