3 search results - page 1 / 1 » Enumeration of connected Catalan objects by type |
EJC
2011
12 years 12 months ago
2011
Noncrossing set partitions, nonnesting set partitions, Dyck paths, and rooted plane trees are four classes of Catalan objects which carry a notion of type. There exists a product f...
DM
2008
13 years 5 months ago
2008
Many interesting combinatorial objects are enumerated by the k-Catalan numbers, one possible generalization of the Catalan numbers. We will present a new combinatorial object that...
ARSCOM
2008
13 years 5 months ago
2008
Various enumeration problems for classes of simply generated families of trees have been the object of investigation in the past. We mention the enumeration of independent subsets,...