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Arrow Diagrams Are Line Digraphs

โœ Scribed by Dennis P. Geller and Frank Harary

Book ID
124874231
Publisher
Society for Industrial and Applied Mathematics
Year
1968
Tongue
English
Weight
217 KB
Volume
16
Category
Article
ISSN
0036-1399

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๐Ÿ“œ SIMILAR VOLUMES

When a digraph and its line digraph are
When a digraph and its line digraph are connected and cospectral
โœ Fuji Zhang; Guoning Lin ๐Ÿ“‚ Article ๐Ÿ“… 1998 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 266 KB

In this paper we characterize all digraphs each one of which is cospectral with its line digraph and both the digraph and its line digraph are connected. Some related enumeration problems are also considered. From these results we can see that there are arbitrarily large sets of cospectral digraphs.