### Vertex distinguishing edge coloring of a hexagonal system

ZHANG You, HUANG Li-na, LI Mu-chun*

1. College of Mathematics and Physics, Lanzhou Jiaotong University, Lanzhou 730070, Gansu, China
• Online:2018-12-20 Published:2018-12-18

Abstract: Let H(m,n) be a hexagonal system for the length of n and the width of m adjacent hexagons which the shape likes a parallelogram. The vertex distinguishing edge chromatic number of H(1,n) satisfies vertex distinguishing edge coloring conjecture by designing the coloring algorithm. An upper bound of the vertex distinguishable edge chromatic numbers of H(m,n) for m≥2 is given.

CLC Number:

• O157.5
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