๐”– Bobbio Scriptorium
โœฆ   LIBER   โœฆ

r-tuple colorings of uniquely colorable graphs

โœ Scribed by Dennis P. Geller


Book ID
107748223
Publisher
Elsevier Science
Year
1976
Tongue
English
Weight
355 KB
Volume
16
Category
Article
ISSN
0012-365X

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Graphs with unique Ramsey colorings
โœ Jerrold W. Grossman ๐Ÿ“‚ Article ๐Ÿ“… 1983 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 313 KB
On uniquely 3-colorable graphs
โœ Chong-Yun Chao; Zhibo Chen ๐Ÿ“‚ Article ๐Ÿ“… 1993 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 415 KB

We show the following. (1) For each integer n> 12, there exists a uniquely 3-colorable graph with n vertices and without any triangles. (2) There exist infinitely many uniquely 3-colorable regular graphs without any triangles. It follows that there exist infinitely many uniquely k-colorable regular