13 search results - page 1 / 3 » Spanning trees with leaf distance at least four |
JGT
2007
13 years 4 months ago
2007
CIAC
2010
Springer
14 years 2 months ago
2010
Springer
In this paper we consider a natural generalization of the well-known Max Leaf
Spanning Tree problem. In the generalized Weighted Max Leaf problem we get as
input an undirected co...
ICALP
2007
Springer
13 years 11 months ago
2007
Springer
d Abstract) Noga Alon∗ Fedor V. Fomin† Gregory Gutin‡ Michael Krivelevich§ Saket Saurabh¶ We prove that finding a rooted subtree with at least k leaves in a directed grap...
FSTTCS
2007
Springer
13 years 11 months ago
2007
Springer
The Directed Maximum Leaf Out-Branching problem is to find an out-branching (i.e. a rooted oriented spanning tree) in a given digraph with the maximum number of leaves. In this pa...
JCSS
2010
13 years 3 months ago
2010
A subgraph T of a digraph D is an out-branching if T is an oriented spanning tree with only one vertex of in-degree zero (called the root). The vertices of T of out-degree zero ar...