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Variations of Classic Characterizations of Ellipsoids and a Short Proof of the False Centre Theorem

Published online by Cambridge University Press:  21 December 2009

L. Montejano
Affiliation:
Instituto de Matemáticas, UNAM, Circuito exterior, C.U., México D.F., 04510, México. E-mail: [email protected]
E. Morales-Amaya
Affiliation:
Centro de Investigación en Matemáticas, A.C., A.P., 402, Guanajuato, Gto., C.P. 3600, México. E-mail: [email protected]
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Abstract

Variations and generalizations of several classical theorems concerning characterizations of ellipsoids are developed. In particular, these lead to a short and comprehensible proof of the false centre theorem.

Type
Research Article
Copyright
Copyright © University College London 2007

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References

1Aitchison, P. W., Petty, C. M. and Rogers, C. A., A convex body with a false centre is an ellipsoid. Mathematika 18 (1971), 5059.CrossRefGoogle Scholar
2Burton, G. R., Some characterizations of the ellipsoid. Israel J. Math. 28 (1977), 339349.Google Scholar
3Buseman, H., The Geometry of Geodesics. Academic Press (New York, 1955).Google Scholar
4Larman, D. G., A note on the false centre problem. Mathematika 21 (1974), 216227.Google Scholar
5Rogers, C. A., Sections and projections of convex bodies. Portugaliae Math. 24 (1965), 99103.Google Scholar
6Rogers, C. A., An equichordal problem. Geom. Dedicata 10 (1981), 7378.CrossRefGoogle Scholar