Stable and Negative Edges of $K_{m,n}$ and $tC_{4}$

Journal of Combinatorial Mathematics and Combinatorial Computing

^¹, ^²

¹Department of Mathematics Ayya Nadar Janaki Ammal College Sivakasi – 626 124, India.

²Department of Mathematics Kalasalingam University Anand Nagar, Krishnankoil – 626 190, India.

In this paper, we discuss how the addition of a new edge changes the irregularity strength in $K_{m, m}$ and $t C_{4}$ .

Keywords: Irregular degree, irregular strength. 2000 Mathematics Subject Classification: 05C78