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29
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DAM
2008
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DAM 2008
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The minimum spanning strong subdigraph problem is fixed parameter tractable
13 years 11 months ago
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www.imada.sdu.dk
A digraph D is strong if it contains a directed path from x to y for every choice of vertices x, y in D. We consider the problem (MSSS) of finding the minimum number of arcs in a ...
Jørgen Bang-Jensen, Anders Yeo
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DM
2002
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DM 2002
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A note on the Gallai-Roy-Vitaver Theorem
13 years 11 months ago
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www.math.ntu.edu.tw
The well-known theorem by Gallai
Gerard J. Chang, Li-Da Tong, Jing-Ho Yan, Hong-Gwa...
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