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Isoperimetric and Isoparametric Problems

Year of Award: 2005

Publication Information: The American Mathematical Monthly, vol. 111, no. 2, February 2004, pp. 118-136.

Summary: Traditional isoperimetric problems compare different plane regions having equal perimeters and ask for the region of maximal area. This paper treats a different type of problem: find incongruent plane regions that have equal perimeters and equal areas. Hence the new name: isoparametric problem.

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About the Authors: [from The American Mathematical Monthly, vol. 111, no. 2, (2004)]

Tom Apostol joined the Caltech mathematics faculty in 1950 and became professor emeritus in 1992. He is director of Project MATHEMATICS! (http://www.projectmathematics.com) an award-winning series of videos he initiated in 1987. His long career in mathematics is described in the September 1997 issue of The College Mathematics Journal. He is currently working with colleague Mamikon Mnatsakanian to produce materials demonstrating Mamikon’s innovative and exciting approach to mathematics.

Mamikon Mnatsakanian received a Ph.D. in physics in 1969 from Yerevan University, where he became professor of astrophysics. As an undergraduate he began developing innovative geometric methods for solving many calculus problems by a dynamic and visual approach that makes no use of formulas. He is currently working with Tom Apostol under the auspices of Project MATHEMATICS! to present his methods in a multimedia format.

 

Author (old format): 
Tom Apostol, Mamikon Mnatsakanian
Author(s): 
Tom Apostol, and Mamikon Mnatsakanian
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Publication Date: 
Tuesday, September 23, 2008
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Summary: 

Traditional isoperimetric problems compare different plane regions having equal perimeters and ask for the region of maximal area. This paper treats a different type of problem: find incongruent plane regions that have equal perimeters and equal areas. Hence the new name: isoparametric problem.

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