Article Dans Une Revue Journal of Computer and System Sciences Année : 2025

A linear algorithm for radio k-coloring of powers of paths having small diameters

Résumé

The radio k-chromatic number rc k (G) of a graph G is the minimum integer λ such that there exists a function ϕ : v), where d(u, v) denotes the distance between u and v. A considerable amount of attention has been given to find the exact values or providing polynomial time algorithms to determine rc k (G) for several basic graph families such as paths, cycles, trees, and powers of paths, usually for some specific values of k.

In this article, we find the exact values of rc k (G) where G is a power of a path with diameter strictly less than k. Our proof readily provides a linear time algorithm for assigning a radio k-coloring of G. Furthermore, our proof technique is a potential tool for solving the same problem for other classes of graphs having "small" diameters.

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Dates et versions

hal-04936646 , version 1 (08-02-2025)

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Dipayan Chakraborty, Soumen Nandi, Sagnik Sen, D.K. Supraja. A linear algorithm for radio k-coloring of powers of paths having small diameters. Journal of Computer and System Sciences, 2025, 147, pp.103577. ⟨10.1016/j.jcss.2024.103577⟩. ⟨hal-04936646⟩
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