A polytope related to empirical distributions, plane trees, parking functions, and the associahedron
A poset classifying non-commutative term orders
A poset fiber theorem for doubly Cohen-Macaulay posets and its applications to non-crossing partitions and injective words
A poset structure on quasifibonacci partitions
A positive proof of the Littlewood-Richardson rule using the octahedron recurrence
A Positive Semidefinite Approximation of the Symmetric Traveling Salesman Polytope
A positivity conjecture for Jack polynomials
A primal Barvinok algorithm based on irrational decompositions
A prime sensitive Hankel determinant of Jacobi symbol enumerators
A primitive derivation and logarithmic differential forms of Coxeter arrangements
A probabilistic approach to $q$-polynomial coefficients, Euler and Stirling numbers
A probabilistic approach to enumeration of Gessel walks
A probabilistic approach to some binomial identities
A Probabilistic Proof of the Rogers Ramanujan Identities
A Probability Method to Prove Combinatorial Identities
A Problem Concerning Nonincident Points and Blocks in Steiner Triple Systems
A Problem Concerning Nonincident Points and Lines in Projective Planes
A problem of enumeration of two-color bracelets with several variations
A problem of Erdős on the minimum number of $k$-cliques
A Problem of W. R. Scott: Classify the Subgroup of Elements with Many Roots