THE MATRIX GEOMETRIC MEANS UNDER PARTIAL TRACE

• 발행기관: 충청수학회
• 저자명: Sejong Kim
• 간행물 정보: 『Journal of the Chungcheong Mathematical Society』Volume 30, No. 1, 21~29쪽, 전체 9쪽
• 주제분류: 자연과학 > 자연과학일반
• 파일형태: PDF
• 발행일자: 2017.02.28

국문 초록

We review a partial trace alternatively defined by the composition of positive linear maps, and see how the partial trace acts on the matrix geometric means. We also study the quantum Tsallis relative entropy under partial trace related with the fidelity.

목차

1. Introduction

2. Geometric means

3. Partial trace

4. Entropy and fidelity under partial trace

키워드

geometric mean partial trace relative entropy fidelity.