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DAM
2007
129views more  DAM 2007»
13 years 7 months ago
Easy and hard instances of arc ranking in directed graphs
: In this paper we deal with the arc ranking problem of directed graphs. We give some classes of graphs for which the arc ranking problem is polynomially solvable. We prove that de...
Dariusz Dereniowski
RSA
2000
149views more  RSA 2000»
13 years 7 months ago
Hamilton cycles in random graphs and directed graphs
Colin Cooper, Alan M. Frieze
IPL
2007
121views more  IPL 2007»
13 years 7 months ago
Parameterized complexity of the induced subgraph problem in directed graphs
In this paper, we consider the parameterized complexity of the following problem: Given a hereditary property P on digraphs, an input digraph D and a positive integer k, does D ha...
Venkatesh Raman, Somnath Sikdar