| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 4599365 | Linear Algebra and its Applications | 2014 | 15 Pages |
Abstract
Factorizations of invertible density matrices in terms of unitary Hermitian matrices are derived. It is shown that each factor arises as a projection for the Hilbert projective metric. Especially, we see the factorization of qubit invertible density matrices associated with the Einstein gyrogroup.
Related Topics
Physical Sciences and Engineering
Mathematics
Algebra and Number Theory
Authors
Sejong Kim, Sungwoon Kim, Hosoo Lee,