Geometric intersection graphs form an intriguing class of structures in which vertices represent geometric objects – such as line segments, discs, or curves – and an edge is established between two ...

This is a preview. Log in through your library . Abstract Let G be a (p, q)-graph with edge domination number γʹ and edge domatic number dʹ. In this paper we characterize connected graphs for which ...

A map f : V → {0, 1, 2} is a Roman dominating function on a graph G = (V, E) if for every vertex v ∈ V with f(v) = 0, there exists a vertex u, adjacent to v, such that f(u) = 2. The weight of a Roman ...

Newcastle mascot, Maggie Magpie has a song and movement routine to help students learn all about number patterns. This is a great refresher for pupils and will get them physically active too. The ...

For decades, enterprise data infrastructure focused on answering the question: “What happened in our business?” Business intelligence tools, data warehouses, and pipelines were built to surface ...