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IWPEC
2009
Springer
16 years 25 days ago
On the Directed Degree-Preserving Spanning Tree Problem
In this paper we initiate a systematic study of the Reduced Degree Spanning Tree problem, where given a digraph D and a nonnegative integer k, the goal is to construct a spanning o...
Daniel Lokshtanov, Venkatesh Raman, Saket Saurabh,...
TSMC
1998
109views more  TSMC 1998»
15 years 5 months ago
Using graph parsing for automatic graph drawing
: This paper presents a procedure for automatically drawing directed graphs. Our system, CG, uses a unique clan-based graph decomposition to determine intrinsic substructures (clan...
Carolyn McCreary, Richard Chapman, Fwu-Shan Shieh
DAM
2006
97views more  DAM 2006»
15 years 6 months ago
Fully dynamic recognition algorithm and certificate for directed cographs
This paper presents an optimal fully dynamic recognition algorithm for directed cographs. Given the modular decomposition tree of a directed cograph G, the algorithm supports arc ...
Christophe Crespelle, Christophe Paul
JAIR
2010
90views more  JAIR 2010»
15 years 1 months ago
An Effective Algorithm for and Phase Transitions of the Directed Hamiltonian Cycle Problem
The Hamiltonian cycle problem (HCP) is an important combinatorial problem with applications in many areas. It is among the first problems used for studying intrinsic properties, i...
Gerold Jäger, Weixiong Zhang
IJCGA
2010
78views more  IJCGA 2010»
15 years 3 months ago
Operations Preserving Global Rigidity of Generic Direction-Length Frameworks
A two-dimensional direction-length framework is a pair (G, p), where G = (V ; D, L) is a graph whose edges are labeled as `direction' or `length' edges, and a map p from...
Bill Jackson, Tibor Jordán