Weak Integer Additive Set-Indexed Graphs: A Creative Review

K P Chithra, K A Germina, N K Sudev

For a non-empty ground set $X$, finite or infinite, the {\em set-valuation} or {\em set-labeling} of a given graph $G$ is an injective function $f:V(G)\to \mathcal{P}(X)$, where $…