Paracategories I: internal parategories and saturated partial algebras

Partially traced categories

Partition complexes, duality and integral tree representations

Perfect category-graded algebras

Picard groups in rational conformal field theory

Pictures of complete positivity in arbitrary dimension

Polycategories via pseudo-distributive laws

Polynomial functors and polynomial monads

Polynomial functors and trees

Polynomials in categories with pullbacks

Possible connections between whiskered categories and groupoids, many object Leibniz algebras, automorphism structures and local-to-global questions

Postnikov Invariants of Crossed Complexes

Precovers, localizations and stable homotopy

Pregroupoids and their enveloping groupoids

Premonoidal categories associated with representations of finite groups and their quantum doubles

Priestley-type dualities for partially ordered structures

Products, Homotopy Limits and Applications

Protoadditive functors, derived torsion theories and homology

Pseudo Algebras and Pseudo Double Categories

Pseudo Limits, Biadjoints, and Pseudo Algebras: Categorical Foundations of Conformal Field Theory