Research Article

On (k, ℓ)-locating colorings of graphs


Abstract

Let c: V(G) → {1, . . . , ℓ} = [ℓ] be a proper vertex coloring of G and C(i) = {u ∈ V(G): c(u) = i} for i ∈ [ℓ]. The k-color code rk (v|c) of vertex v is the ordered ℓ-tuple (aG (v,C(1)), . . . , aG (v,C(ℓ))) where

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