The number comes from a simple game of trees—meaning the charts used in graph theory. In this game, you make a forest of trees using seeds. In other words, you make as many tree graphs as you ...

We present in Section 7.3 a short proof of Thomassen [Th97c] which is based on two other important results in the Robertson-Seymour theory, namely Theorem 7.2.1 (well-quasi-ordering of graphs of ...

One of the coolest features of the git log command is the graphing feature. The git log graph command creates a graphic overview of how a developer’s various development pipelines have branched and ...

Mathematical Background: We expect that the student is comfortable with basic mathematics at the level of a U.S. first-year college STEM student. This includes basic notions such as sets and functions ...

Since Mann’s 1,000-year-long graph was cobbled together using various proxy data derived from ice cores, tree rings and written records of growing season dates up until 1961 where it then ...