(2+2)-free posets, ascent sequences and pattern avoiding permutations

(2,1)-separating systems beyond the probabilistic bound

(2,1)-Total labeling of planar graphs with large maximum degree

(G,m)-multiparking functions

(k,m)-Catalan Numbers and Hook Length Polynomials for Plane Trees

(l,k)-Routing on Plane Grids

(Multiplicity-free) Skew Schur functions with interval support

(q,t)-analogues and GL_n(F_q)

(Very) short proof of Rayleigh's Theorem (and extensions)

({2,3}, 6)-spheres and their generalizations

0/1 Polytopes with Quadratic Chvatal Rank

0/1-Polytopes related to Latin squares autotopisms

1-Factorizations of Cayley graphs

1-join composition for $α$-critical graphs

1-Overlap Cycles for Steiner Triple Systems

1234-avoiding permutations and Dyck paths

132-avoiding Two-stack Sortable Permutations, Fibonacci Numbers, and Pell Numbers

2-adic behavior of numbers of domino tilings

2-cancellative hypergraphs and codes

2-Dimension from the topological viewpoint