On some classes of cycles-related $\Gamma$-harmonious graphs

Gyaneshwar Agrahari, Dalibor Froncek

A graph $G(V,E)$ is $\Gamma$-harmonious when there is an injection $f$ from $V$ to an Abelian group $\Gamma$ such that the induced edge labels defined as $w(xy)=f(x)+f(y)$ form a bijection f…