𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Forbidden lines and “solid effect”

✍ Scribed by J.P. Boucher


Book ID
103764797
Publisher
Elsevier Science
Year
1969
Tongue
English
Weight
150 KB
Volume
29
Category
Article
ISSN
0375-9601

No coin nor oath required. For personal study only.


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Forbidden Lines in Astrophysical Sources
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Beineke and Robertson independently characterized line graphs in terms of nine forbidden induced subgraphs. In 1994, S8 olte s gave another characterization, which reduces the number of forbidden induced subgraphs to seven, with only five exceptional cases. A graph is said to be a dumbbell if it con