Supported by National Natural Science Foundation of China (Grant No. 10971128);Shanghai Leading Academic Discipline Project (Grant No. S30104);Doctoral Fund of Henan Polytechnic University (Grant No. B2011-024)
In this paper, we consider the extremal problem of the ;p-norm: min{;p(TK), o E TK C L, T E GL(n)}, where K, L are two convex bodies in Rn. Using the optimization theorem of John, we give necessary conditions for...