A sum-product estimate in finite fields, and applications
A Summary of Problems and Results related to the Caccetta-Haggkvist Conjecture
A superadditivity and submultiplicativity property for cardinalities of sumsets
A superlinear bound on the number of perfect matchings in cubic bridgeless graphs
A Survey of Alternating Permutations
A survey of combinatorial aspects in the topology of complex hyperplane arrangements
A Survey of Graph Pebbling
A Survey of Simple Permutations
A survey of the different types of vector space partitions
A survey on Hamilton cycles in directed graphs
A Suspension Lemma for Bounded Posets
A symbolic method for k-statistics
A symmetrical q-Eulerian identity
A symmetry theorem on a modified jeu de taquin
A synthesis for exactly 3-edge-connected graphs
A Szemeredi-Trotter type theorem in $\mathbb{R}^4$
A Szemeredi-type regularity lemma in abelian groups, with applications
A tableau formula for eta polynomials
A Telescoping method for Double Summations
A theorem of Cobham for non-primitive substitutions