网站首页  情感咨询  情感美文  情感百科  情感生活  学习充电  旧版美文

请输入您要查询的词汇:

 

词汇 Positive operator
分类 英语词汇 英语翻译词典
释义

Positive operator

英语百科

Positive element

(重定向自Positive operator)

In mathematics, especially functional analysis, a self-adjoint (or Hermitian) element A of a C*-algebra \mathcal{A} is called positive if its spectrum \sigma(A) consists of non-negative real numbers. Moreover, an element A of a C*-algebra \mathcal{A} is positive if and only if there is some B in \mathcal{A} such that A = B^* B. A positive element is self-adjoint and thus normal.

随便看

 

依恋情感网英汉例句词典收录3870147条英语例句词条,基本涵盖了全部常用英语单词的释义及例句,是英语学习的有利工具。

 

Copyright © 2004-2024 Yiyi18.com All Rights Reserved
京ICP备2021023879号 更新时间:2025/8/9 3:13:33