32 search results - page 4 / 7 » Directed Feedback Vertex Set is Fixed-Parameter Tractable |
DAM
2000
13 years 7 months ago
2000
Feedback problems consist of removing a minimal number of vertices of a directed or undirected graph in order to make it acyclic. The problem is known to be NPcomplete. In this pa...
CORR
2011
Springer
12 years 11 months ago
2011
Springer
A hitting set for a collection of sets is a set that has a nonempty intersection with each set in the collection; the hitting set problem is to find a hitting set of minimum card...
CIAC
2010
Springer
14 years 4 months ago
2010
Springer
Given an arbitrary graph G = (V, E) and an additional set of admissible edges F, the Chordal Sandwich problem asks whether there exists a chordal graph (V, E F ) such that F F. ...
DCFS
2011
12 years 7 months ago
2011
We prove Kleene theorems for two subclasses of labelled product systems which are inspired from well-studied subclasses of 1bounded Petri nets. For product T-systems we define a c...
SODA
2012
ACM
11 years 9 months ago
2012
ACM
Bidimensionality theory was introduced by Demaine et al. [JACM 2005 ] as a framework to obtain algorithmic results for hard problems on minor closed graph classes. The theory has ...