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The Circumdisk and Its Relation to a Theorem of Kirszbraun and Valentine

by Ralph Alexander (University of Illinois)

This article originally appeared in:
Mathematics Magazine
May, 1984

Subject classification(s): Geometry and Topology
Applicable Course(s): 4.9 Geometry

The author addresses the task: "Given a finite set of points in Euclidean m-space, characterize the radius R of the smallest disk which contains those points."

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