August 2022
Intermediate to advanced
336 pages
10h 41m
English
Content preview from Quantum Information Theory
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Part II Resource measures
8 Basic resources
The algebraic sum of all the transformations occurring in a cyclical process can only be positive, or, as an extreme case, equal to nothing.1
Rudolf Clausius
In analyzing any given information processing task from the resource simulation approach, there are two main questions. First, what resources are absolutely necessary for performing the task? Second, can we actually construct protocols that achieve these limits? In the world of information theory the latter is usually referred to as an achievability statement or achievability bound, while the former is termed a “converse” bound in the sense of being a converse to the achievability statement. The terminology goes back to Shannon. A converse ...
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