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» On connectivity of consecutive-d digraphs
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CORR
2008
Springer
104views Education» more  CORR 2008»
13 years 7 months ago
De Bruijn Graph Homomorphisms and Recursive De Bruijn Sequences
This paper presents a method to find new De Bruijn cycles based on ones of lesser order. This is done by mapping a De Bruijn cycle to several vertex disjoint cycles in a De Bruijn ...
Abbas Alhakim, Mufutau Akinwande
DM
1998
57views more  DM 1998»
13 years 7 months ago
Note on alternating directed cycles
The problem of the existence of an alternating simple dicycle in a 2-arc-coloured digraph is considered. This is a generalization of the alternating cycle problem in 2-edgecoloure...
Gregory Gutin, Benny Sudakov, Anders Yeo
DISOPT
2011
240views Education» more  DISOPT 2011»
13 years 2 months ago
On the directed Full Degree Spanning Tree problem
We study the parameterized complexity of a directed analog of the Full Degree Spanning Tree problem where, given a digraph D and a nonnegative integer k, the goal is to construct a...
Daniel Lokshtanov, Venkatesh Raman, Saket Saurabh,...
FSTTCS
2007
Springer
14 years 1 months ago
Better Algorithms and Bounds for Directed Maximum Leaf Problems
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...
Noga Alon, Fedor V. Fomin, Gregory Gutin, Michael ...
INFOCOM
2007
IEEE
14 years 1 months ago
Moore: An Extendable Peer-to-Peer Network Based on Incomplete Kautz Digraph with Constant Degree
— The topological properties of peer-to-peer overlay networks are critical factors that dominate the performance of these systems. Several non-constant and constant degree interc...
Deke Guo, Jie Wu, Honghui Chen, Xueshan Luo