Noncommutative sums of squares

被引：21
|
作者：
McCullough, S [1 ]
Putinar, M
机构：
[1] Univ Florida, Dept Math, Gainesville, FL 32611 USA
[2] Univ Calif Santa Barbara, Dept Math, Santa Barbara, CA 93106 USA
来源：
PACIFIC JOURNAL OF MATHEMATICS | 2005年 / 218卷 / 01期
关键词：
D O I：
10.2140/pjm.2005.218.167
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
We present a proof of Helton's sum-of-squares theorem based upon a theorem of Caratheodory and a Hahn-Banach separation argument.
引用
收藏
页码：167 / 171
页数：5
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