منابع مشابه
Trumping Preemption
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Optimal power allocation for maximizing the sum capacity of multiple access channel (MAC) with quality-of-service (QoS) constraints is investigated in this paper. Majorization theory is the underlying mathematical theory on which our method hinges. It is shown that the optimal structure of the solution can be easily obtained via majorization theory. Furthermore, based on our new approach, an ef...
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1 Truth-relativism For our purposes, truth-relativism can be characterised as the doctrine that in a single world the very same token utterance can take different truth-values when considered in different contexts of assessment. The root semantic idea is already present in Lewis’s 1980, where an utterance of a sentence like “It is raining” is conceived as receiving a truth-value only when the v...
متن کاملRényi divergence and majorization
Rényi divergence is related to Rényi entropy much like information divergence (also called Kullback-Leibler divergence or relative entropy) is related to Shannon’s entropy, and comes up in many settings. It was introduced by Rényi as a measure of information that satisfies almost the same axioms as information divergence. We review the most important properties of Rényi divergence, including it...
متن کاملGreed and Majorization
We present a straightforward linear algebraic model of greed, based only on extensions of classical majorization and convexity theory. This gives an alternative to other models of greedy-solvable problems such as matroids, greedoids, submodular functions, etc., and it is able to express established examples of greedy-solvable optimization problems that they cannot. The linear algebraic approach...
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ژورنال
عنوان ژورنال: Linear and Multilinear Algebra
سال: 2013
ISSN: 0308-1087,1563-5139
DOI: 10.1080/03081087.2012.736989