We define the radius of a graph and the diameter of a graph using the eccentricity of vertices. We relate these terms intuitively back to circles and discuss several examples of graph diameter and graph radius. We also introduce a theorem stating the diameter of a graph is bounded between the radius and twice the radius. #graphtheory
Graphs are Metric Spaces: • Graphs are Metric Spac...
Eccentricity of a Vertex: • Eccentricity of a Vert...
Central Vertices and the Center of a Graph: (coming soon)
Proof that Diameter is Between R and 2*R: • Graph Diameter is Boun...
Graph Theory course: • Graph Theory
Graph Theory exercises: • Graph Theory Exercises
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