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In mathematics, Choi's theorem on completely positive maps is a result that classifies completely positive maps between finite-dimensional (matrix) C*-algebras. An infinite-dimensional algebraic generalization of Choi's theorem is known as Belavkin 's " Radon–Nikodym " theorem for completely positive maps.
In quantum information theory and operator theory, the Choi–Jamiołkowski isomorphism refers to the correspondence between quantum channels (described by completely positive maps) and quantum states (described by density matrices), this is introduced by Man-Duen Choi [1] and Andrzej Jamiołkowski. [2]
The golden ratio φ and its negative reciprocal −φ −1 are the two roots of the quadratic polynomial x 2 − x − 1. The golden ratio's negative −φ and reciprocal φ −1 are the two roots of the quadratic polynomial x 2 + x − 1. The golden ratio is also an algebraic number and even an algebraic integer.
The $1.13 billion ticket sold in New Jersey has yet to be claimed.The winner of the fifth-largest jackpot in Mega Millions history has come forward to claim their prize —...
The Blue Cash Preferred® Card from American Express allows you to earn 6% cash back at U.S. supermarkets (on up to $6,000 per year in purchases), plus 1% on other purchases. 2. Take stock of what ...
An off-duty New York City cop has been arrested for allegedly raping and strangling someone close to him, sources told The Post Saturday. Samuel Sierra, 35, was arrested around 7:20 p.m. Friday ...
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From April 2012 to December 2012, if you bought shares in companies when Alex Gorsky joined the board, and sold them when he left, you would have a 5.9 percent return on your investment, compared to a 0.5 percent return from the S&P 500.