Geometriae Dedicata

, Volume 41, Issue 2, pp 241–250 | Cite as

Ellipsoids of maximal volume in convex bodies

  • Keith Ball


The largest discs contained in a regular tetrahedron lie in its faces. The proof is closely related to the theorem of Fritz John characterizing ellipsoids of maximal volume contained in convex bodies.


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  1. [J]
    John, F., ‘Extremum problems with inequalities as subsidiary conditions’, Courant Anniversary Volume, Interscience, New York, 1948, pp. 187–204.Google Scholar
  2. [P]
    Pełczynski, A., ‘Remarks on John's theorem on the ellipsoid of maximal volume inscribed into a convex body in #x211D;, Nota di Matematicae, volume devoted to the memory of G. Köthe, to appear.Google Scholar

Copyright information

© Kluwer Academic Publishers 1992

Authors and Affiliations

  • Keith Ball
    • 1
  1. 1.Department of MathematicsTexas A&M UniversityCollege StationU.S.A.

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