AbstractA bijection is given between the set of directed column-convex polyominoes of area n and the set of ordered trees of height at most three and having n edges. Additional bijections with less well known combinatorial objects are sketched
A permutomino of size n is a polyomino determined by particular pairs of permutations of n. Here we...
We introduce a partial order on pictures (matrices), denoted by 7c that extends to two dimensions t...
A permutomino of size n is a polyomino determined by particular pairs (1, 2) of permutations of n. H...
AbstractA bijection is given between the set of directed column-convex polyominoes of area n and the...
AbstractA new bijection between the diagonally convex directed (dcd-) polyominoes and ternary trees ...
International audienceIn this paper we consider two classes of lattice paths on the plane which use ...
AbstractWe provide bijective proofs for the number of directed-convex polyominoes having a fixed num...
In this paper we consider two classes of lattice paths on the plane which use north, east, south, an...
We provide bijective proofs for the number of directed-convex polyominoes having a fixed number of r...
AbstractA bijection is introduced in the set of all ordered trees having n edges from which one deri...
A permutominide is a set of cells in the plane satisfying special connectivity constraints and uniqu...
Abstract. A permutomino of size n is a polyomino whose vertices define a pair of distinct permutatio...
A permutominide is a set of cells in the plane satisfying special connectivity constraints and uniqu...
AbstractA bijection is introduced between ordered trees and bicoloured ordered trees, which maps lea...
AbstractA new generating function enumerating column-convex polyominoes is defined and determined. T...
A permutomino of size n is a polyomino determined by particular pairs of permutations of n. Here we...
We introduce a partial order on pictures (matrices), denoted by 7c that extends to two dimensions t...
A permutomino of size n is a polyomino determined by particular pairs (1, 2) of permutations of n. H...
AbstractA bijection is given between the set of directed column-convex polyominoes of area n and the...
AbstractA new bijection between the diagonally convex directed (dcd-) polyominoes and ternary trees ...
International audienceIn this paper we consider two classes of lattice paths on the plane which use ...
AbstractWe provide bijective proofs for the number of directed-convex polyominoes having a fixed num...
In this paper we consider two classes of lattice paths on the plane which use north, east, south, an...
We provide bijective proofs for the number of directed-convex polyominoes having a fixed number of r...
AbstractA bijection is introduced in the set of all ordered trees having n edges from which one deri...
A permutominide is a set of cells in the plane satisfying special connectivity constraints and uniqu...
Abstract. A permutomino of size n is a polyomino whose vertices define a pair of distinct permutatio...
A permutominide is a set of cells in the plane satisfying special connectivity constraints and uniqu...
AbstractA bijection is introduced between ordered trees and bicoloured ordered trees, which maps lea...
AbstractA new generating function enumerating column-convex polyominoes is defined and determined. T...
A permutomino of size n is a polyomino determined by particular pairs of permutations of n. Here we...
We introduce a partial order on pictures (matrices), denoted by 7c that extends to two dimensions t...
A permutomino of size n is a polyomino determined by particular pairs (1, 2) of permutations of n. H...
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