Notes on completely positive map

Computer Engineering and Applications ›› 2011, Vol. 47 ›› Issue (31): 63-64.

• 研究、探讨 • Previous Articles Next Articles

Notes on completely positive map

LI Li1，2，CAO Huaixin1，LU Ling3，LI Haiyang2

1.College of Mathematics and Information Science，Shaanxi Normal University，Xi’an 710062，China
2.School of Science，Xi’an Polytechnic University，Xi’an 710048，China
3.Staff of Basic Scientific and Cultural Course，Xi’an Military Academy，Xi’an 710108，China

Received:1900-01-01 Revised:1900-01-01 Online:2011-11-01 Published:2011-11-01

关于完全正映射的注记

李莉1，2，曹怀信1，陆玲3，李海洋2

1.陕西师范大学数学与信息科学学院，西安 710062
2.西安工程大学理学院，西安 710048
3.西安陆军学院科学文化基础教研室，西安 710108

Abstract

Abstract: The sufficient and necessary conditions of positive and trace preserving map，completely positive and trace preserving map are given and proved so as to they can be well-understanded and used，the convexity of quantum channels is also proved.

Key words: positive map, completely positive map, quantum channel

摘要： 给出了正保迹映射和完全正保迹映射的充要条件，使人们可以更好地理解正保迹映射和完全正保迹映射，同时证明了量子信道是凸的。

关键词: 正映射, 完全正映射, 量子信道

LI Li1，2，CAO Huaixin1，LU Ling3，LI Haiyang2. Notes on completely positive map[J]. Computer Engineering and Applications, 2011, 47(31): 63-64.

李莉1，2，曹怀信1，陆玲3，李海洋2. 关于完全正映射的注记[J]. 计算机工程与应用, 2011, 47(31): 63-64.

Notes on completely positive map

关于完全正映射的注记

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