Results 21 to 30 of about 1,504,261 (185)

Further Improved Weighted Arithmetic-Geometric Operator Mean Inequalities

open access: yesMathematics, 2019
The main purpose of this paper is to present some weighted arithmetic-geometric operator mean inequalities. These inequalities are refinements and generalizations of the corresponding results.
Jianming Xue, Xingkai Hu
doaj   +1 more source

Choi's Proof and Quantum Process Tomography [PDF]

open access: yes, 2002
Quantum process tomography is a procedure by which an unknown quantum operation can be fully experimentally characterized. We reinterpret Choi's proof of the fact that any completely positive linear map has a Kraus representation [Lin. Alg. and App., 10,
Childs   +17 more
core   +2 more sources

Positive linear maps on normal matrices [PDF]

open access: yesInternational Journal of Mathematics, 2018
For a positive linear map [Formula: see text] and a normal matrix [Formula: see text], we show that [Formula: see text] is bounded by some simple linear combinations in the unitary orbit of [Formula: see text]. Several elegant sharp inequalities are derived, for instance for the Schur product of two normal matrices [Formula: see text], [Formula: see ...
Jean-Christophe Bourin, Eun-Young Lee
openaire   +3 more sources

New Refinement of the Operator Kantorovich Inequality

open access: yesMathematics, 2019
We focus on the improvement of operator Kantorovich type inequalities. Among the consequences, we improve the main result of the paper [H.R. Moradi, I.H. Gümüş, Z.
Hamid Reza Moradi   +2 more
doaj   +1 more source

Nonlinear Spectrum and Fixed Point Index for a Class of Decomposable Operators

open access: yesMathematics, 2021
We study a class of nonlinear operators that can be written as the composition of a linear operator and a nonlinear map. We obtain results on fixed point index based on parameters that are related to the definitions of nonlinear spectra.
Shugui Kang, Yanlei Zhang, Wenying Feng
doaj   +1 more source

Adoption of antenatal care conversation mapping among health care providers in Saudi Arabia: Application of the diffusion innovation theory.

open access: yesPLoS ONE, 2023
AimTo measure the factors influencing on the adoption of antenatal care conversation mapping among health care providers in Riyadh (Saudi Arabia), using the diffusion innovation theory.Methods88 healthcare providers (Riyadh) were recruited using a non ...
Anwar Alhashem   +7 more
doaj   +2 more sources

Effects of Silirum®-Based Vaccination Programs on Map Fecal Shedding and Serological Response in Seven French Dairy Herds

open access: yesAnimals, 2023
(1) Background: paratuberculosis is an important disease in ruminants, causing worldwide economic losses to the livestock industry. Although vaccination is known not to prevent transmission of the causative agent Mycobacterium avium subsp ...
Fabien Corbiere   +5 more
doaj   +1 more source

Minimal measurements of the gate fidelity of a qudit map [PDF]

open access: yes, 2002
We obtain a simple formula for the average gate fidelity of a linear map acting on qudits. It is given in terms of minimal sets of pure state preparations alone, which may be interesting from the experimental point of view. These preparations can be seen
A. Acín   +13 more
core   +3 more sources

More inequalities for positive linear maps [PDF]

open access: yesJournal of Mathematical Inequalities, 2013
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Sharma, Rajesh, Thakur, A.
openaire   +2 more sources

Finding the Kraus decomposition from a master equation and vice versa [PDF]

open access: yes, 2007
For any master equation which is local in time, whether Markovian, non-Markovian, of Lindblad form or not, a general procedure is reviewed for constructing the corresponding linear map from the initial state to the state at time t, including its Kraus ...
Andersson, Erika   +2 more
core   +2 more sources

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