نتایج جستجو برای: diagonal compression

تعداد نتایج: 106221  

Journal: :Logic and Logical Philosophy 2006

Journal: :Indian Journal of Science and Technology 2016

Journal: :Reports on Mathematical Physics 2021

In this paper we study diagonal quantum channels and their structure by proving some results giving most applicable instances of them. Firstly, it is shown that action every channel on pure state from computational basis a convex combination states determined transition probabilities. Finally, using the Cholesky decomposition presented an algorithmic method to find explicit form for Kraus opera...

Journal: :International Mathematics Research Notices 2023

Abstract We prove Conjecture 4.16 of the paper [ 2] Elagin and Lunts; namely, that a smooth projective curve genus at least $1$ over field has diagonal dimension $2$.

2008
KEITH CONRAD

The easiest matrices to compute with are the diagonal ones. The sum and product of diagonal matrices can be computed componentwise along the main diagonal, and taking powers of a diagonal matrix is simple too. All the complications of matrix operations are gone when working only with diagonal matrices. If a matrix A is not diagonal but can be conjugated to a diagonal matrix, say D := PAP−1 is d...

In this paper we define a new type of rings ”almost powerhermitian rings” (a generalization of almost hermitian rings) and establish several sufficient conditions over a ring R such that, every regular matrix admits a diagonal power-reduction.

Journal: :European Journal of Combinatorics 2003

Journal: :Linear Algebra and its Applications 2011

Journal: :Michigan Mathematical Journal 1991

Journal: :Physical Review Letters 2000

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