Journal of Shanghai University(Natural Science Edition) ›› 2010, Vol. 16 ›› Issue (4): 380-382.

• Mathematics.Physics and Chemistry • Previous Articles     Next Articles

Generalization for Equivalence of John Bases

ZHENG Min,LENG Gang-song   

  1. (College of Sciences, Shanghai University, Shanghai 200444, China)
  • Received:2009-05-25 Online:2010-08-30 Published:2010-08-30

Abstract:

John bases occupy an important place in convex geometry, and are fundamental in studying maximal ellipsoid contained in convex. In this paper, we extend John bases to generalized John bases and present the proof.

Key words: John bases; contact pair; polar; double John bases

CLC Number: