## Abstract Let Ξ»(__G__) be the lineβdistinguishing chromatic number and __x__β²(__G__) the chromatic index of a graph __G__. We prove the relation Ξ»(__G__) β₯ __x__β²(__G__), conjectured by Harary and Plantholt. Β© 1993 John Wiley & Sons, Inc.
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On the harmonic index and the chromatic number of a graph
β Scribed by Deng, Hanyuan; Balachandran, S.; Ayyaswamy, S.K.; Venkatakrishnan, Y.B.
- Book ID
- 122649043
- Publisher
- Elsevier Science
- Year
- 2013
- Tongue
- English
- Weight
- 353 KB
- Volume
- 161
- Category
- Article
- ISSN
- 0166-218X
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