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Characteristic polynomials of graphs having a semifree action

โœ Scribed by Jaeun Lee; Hye Kyung Kim


Book ID
108360502
Publisher
Elsevier Science
Year
2000
Tongue
English
Weight
140 KB
Volume
307
Category
Article
ISSN
0024-3795

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Characteristic polynomials of digraphs h
โœ Aiping Deng; Yaokun Wu ๐Ÿ“‚ Article ๐Ÿ“… 2005 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 322 KB

Let ฯ† be a semi-free action of a group G on a finite digraph . The front divisor /ฯ€(ฯ†) of has as vertex set the set of the vertex orbits of ฯ† and there are t arcs going from ลซ to v in /ฯ€(ฯ†) if from any vertex u of the orbit ลซ there are t arcs of going towards the vertices in v. Our main result is th