If true, the following conjecture of Thomassen [Th81] is a planarity criterion for a special class of graphs that involves only K 5. Recall that a planar graph on n vertices contains at most 3n-6 ...

Find out more about what students learn in Alberta's K to 12 education system and get resources to support their learning. We recognize that parents play an important role in shaping the way their ...

To ensure students and teachers can concentrate on learning after lost instructional time due to labour action, Alberta’s government has cancelled the January 2026 diploma examinations and Grade 9 ...

The minimum dominating set problem asks for a dominating set with minimum size. First, we determine some vertices contained in the minimum dominating set of a graph. By applying a particular scheme, ...

Abstract: Graphs allow us to study the different patterns of inside the data by making a mental image. The aim of this paper is to develop a neutrosophic cubic graph structure, which is the extension ...