TOTAL COLOURING OF FUZZY GRAPHS USING STRONG $\alpha$-CUTS
Keywords:
fuzzy chromatic number, chromatic index, total chromatic number, strong $\alpha$-cut.DOI:
https://doi.org/10.17654/0973421X23005Abstract
Total colouring of a fuzzy graph $\hat{G}=(V, \sigma, \mu)$ is a proper colouring of vertices and edges. In this paper, we define total colouring of a fuzzy graph using strong $\alpha$-cuts and find fuzzy chromatic number for both vertex and edge separately and fuzzy total chromatic number of a fuzzy graph with fuzzy numbers through the strong $\alpha$-cuts. A few results based on strong $\alpha$-cuts are obtained and an application to traffic light control system is explained.
Received: October 8, 2023
Accepted: November 9, 2023
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