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» On a game in directed graphs
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JAL
2002
99views more  JAL 2002»
13 years 8 months ago
Kayles and Nimbers
Kayles is a combinatorial game on graphs. Two players select alternatingly a vertex from a given graph G - a chosen vertex may not be adjacent or equal to an already chosen vertex...
Hans L. Bodlaender, Dieter Kratsch
STOC
2006
ACM
122views Algorithms» more  STOC 2006»
14 years 8 months ago
Hardness of cut problems in directed graphs
Julia Chuzhoy, Sanjeev Khanna
DAM
2007
129views more  DAM 2007»
13 years 8 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 8 months ago
Hamilton cycles in random graphs and directed graphs
Colin Cooper, Alan M. Frieze