Primitive elements in the matroid-minor Hopf algebra

Primitive factorizations, Jucys-Murphy elements, and matrix models

Primitive filtrations of the modules of invariant logarithmic forms of Coxeter arrangements

Primitive flag-transitive generalized hexagons and octagons

Primitive Polynomials, Singer Cycles, and Word-Oriented Linear Feedback Shift Registers

Primitivity and Independent Sets in Direct Products of Vertex-Transitive Graphs

Principal $Γ$-cone for a tree

Privileged users in zero-error transmission over a noisy channel

Probabilistic existence of rigid combinatorial structures

Probabilistic Extensions of the Erd\H os-Ko-Rado Property

Probabilistic measures and algorithms arising from the Macdonald symmetric functions

Probabilistic one-player Ramsey games via deterministic two-player games

Probabilistic proofs of hook length formulas involving trees

Probabilistic Representation of Bernoulli, Euler and Carlitz Hermite Polynomials

Probability calculations under the IAC hypothesis

Probably Intersecting Families are Not Nested

Problems and Conjectures presented at the Third International Conference on Permutation Patterns, University of Florida, March 7-11, 2005

Problems on Polytopes, Their Groups, and Realizations

Product and puzzle formulae for GL_n Belkale-Kumar coefficients

Product formulas for volumes of flow polytopes