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On the double competition number

✍ Scribed by Zoltán Füredi

Publisher
Elsevier Science
Year
1998
Tongue
English
Weight
308 KB
Volume
82
Category
Article
ISSN
0166-218X

No coin nor oath required. For personal study only.

✦ Synopsis

It is known, that for U/~IIOS~ all /z-vertex simple graphs one needs S!(,j' '(log") ' ' ) extra vertices to obtain them as a double competition graph of a digraph. In this note a construction 15

given to shou that 2,~" ' are always sufficient.

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