Alternative proofs of three theorems of Chetwynd and Hilton (Q2721338)
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scientific article; zbMATH DE number 1612960
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Alternative proofs of three theorems of Chetwynd and Hilton |
scientific article; zbMATH DE number 1612960 |
Statements
10 December 2001
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chromatic index
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perfect matching
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\(\Delta \)-critical graph
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major vertex
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Alternative proofs of three theorems of Chetwynd and Hilton (English)
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Alternative and shorter proofs of three theorems of \textit{A. G. Chetwynd} and \textit{A. J. W. Hilton} [Proc. Lond. Math. Soc., III. Ser. 50, 193-206 (1985; Zbl 0561.05027) and Congr. Numerantium 43, 221-248 (1984; Zbl 0561.05023)] are given. They concern \(\Delta \)-critical graphs (relatively to edge colouring), the order and size of these graphs and the number of major vertices (i.e., vertices of maximum degree).
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