5 citations · 6 across the 5 of their papers we have counts for
Showing 2006Show all
3 papers · 1 filter
math.CO2006★ 1 cited
Representation of Numerical Semigroups by Dyck Paths
Maria Bras-Amorós, Anna de Mier
We introduce square diagrams that represent numerical semigroups and we obtain an injection from the set of numerical semigroups into the set of Dyck paths.
math.CO2006
A natural family of flag matroids
Anna de Mier
A flag matroid can be viewed as a chain of matroids linked by quotients. Flag matroids, of which relatively few interesting families have previously been known, are a particular cl…
math.CO2006
k-noncrossing and k-nonnesting graphs and fillings of Ferrers diagrams
Anna de Mier
We give a correspondence between graphs with a given degree sequence and fillings of Ferrers diagrams by nonnegative integers with prescribed row and column sums. In this setting,…