On packing spanning trees in graphs and bases in matroids
On partial well-order for monotone grid classes of permutations
On Partitioning Colored Points
On partitions avoiding 3-crossings
On partitions avoiding right crossings
On Partitions of Finite vector Spaces
On Path diagrams and Stirling permutations
On path factors of (3,4)-biregular bigraphs
On pattern-avoiding partitions
On Pebbling Graphs by their Blocks
On percolation and the bunkbed conjecture
On perfect 2-colorings of the q-ary n-cube
On perfect colorings of the halved 24-cube
On perfect k-matchings
On perfect packings in dense graphs
On perfect, amicable, and sociable chains
On Perles' question
On permutation polytopes
On Permutations Avoiding Short Progressions
On perturbations of almost distance-regular graphs