Let [pi] Be a Function

• Published in: Mathematics magazine Vol. 86; no. 3; p. 177
• Main Authors: Schultz, Justin T, Stenson, Catherine
• Format: Magazine Article
• Language: English
• Published: Washington Taylor & Francis Ltd 01.06.2013
• Subjects: Mathematical functions; Mathematical problems; Topological manifolds

  In the plane, the ratio of the circumference of a circle to its diameter is always ... On a sphere, however, this ratio (which we denote ...) takes on other values, provided the diameter is measured along a great circle on the sphere. In this article, we explore ... as a function of radius on surf...