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The rhombus classes of degrees of unsolvability (I), The jump properties

✍ Scribed by Xizhong Zheng

Publisher
Springer
Year
1994
Tongue
English
Weight
581 KB
Volume
33
Category
Article
ISSN
0933-5846

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## Abstract A graph is called Class 1 if the chromatic index equals the maximum degree. We prove sufficient conditions for simple graphs to be Class 1. Using these conditions we improve results on some edge‐coloring theorems of Chetwynd and Hilton. We also improve a theorem concerning the 1‐factori