Pseudocyclic association schemes and strongly regular graphs
Pseudocyclic association schemes arising from the actions of PGL(2,2^m) and PΓL(2,2^m)
Pseudograph associahedra
Pseudoknot RNA Structures with Arc-Length $\ge 3$
Pseudoknot RNA structures with arc-length $\ge 4$
Ptolemy relations for punctured discs
Punctured plane partitions and the q-deformed Knizhnik--Zamolodchikov and Hirota equations
Pure O-sequences and matroid h-vectors
Pure-cycle Hurwitz factorizations and multi-noded rooted trees
Puzzles, Tableaux and Mosaics
Pythagorean Partition-Regularity and Ordered Triple Systems with the Sum Property