176 search results - page 4 / 36 » On Directed Triangles in Digraphs |
FSTTCS
2007
Springer
15 years 3 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...
WADS
2009
Springer
15 years 4 months ago
2009
Springer
We present the first thorough theoretical analysis of the Transitivity Editing problem on digraphs. Herein, the task is to perform a minimum number of arc insertions or deletions ...
DM
2006
14 years 9 months ago
2006
Let (x, y) be a bivariate polynomial with complex coefficients. The zeroes of (x, y) are given a combinatorial structure by considering them as arcs of a directed graph G(). This p...
GD
2004
Springer
15 years 3 months ago
2004
Springer
The upward planarity testing problem consists of testing if a digraph admits a drawing Γ such that all edges in Γ are monotonically increasing in the vertical direction and no e...
DAM
2006
14 years 9 months ago
2006
Motivated by issues in machine learning and statistical pattern classification, we investigate a class cover problem (CCP) with an associated family of directed graphs--class cove...