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Two remarks on the properties of the initial universe

✍ Scribed by Attila Mészáros


Publisher
Springer Netherlands
Year
1985
Tongue
English
Weight
95 KB
Volume
113
Category
Article
ISSN
0004-640X

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Two Remarks on the Coloring Number
✍ Péter Komjáth 📂 Article 📅 1997 🏛 Elsevier Science 🌐 English ⚖ 259 KB

The notion of coloring number of a graph was introduced by P. Erdo s and A. Hajnal in [2] in order to investigate the chromatic number of infinite graphs. For a graph G its coloring number, Col(G) is defined to be the least cardinal } for which there is a well ordering of the vertex set in which eve