谱球的 Lempert 函数的不连续性
复变函数
2009-09-07 v4 最优化与控制
摘要
依据所涉及矩阵的循环性,我们给出了谱球 的 Lempert 函数关于其一个或两个自变量连续或不连续的若干进一步判据。
引用
@article{arxiv.0811.3093,
title = {Discontinuity of the Lempert function of the spectral ball},
author = {Pascal J. Thomas and Nguyen Van Trao},
journal= {arXiv preprint arXiv:0811.3093},
year = {2009}
}
备注
12 pages; the converse to theorem 1.3, mistakenly claimed in v1 & 2, excised from v3, is now proved in some cases