subadditivity
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Subadditivity — In mathematics, subadditivity is a property of a function that states, roughly, that evaluating the function for the sum of two elements of the domain always returns something less than or equal to the sum of the function s values at each element … Wikipedia
Subadditivity effect — The subadditivity effect is the tendency to judge probability of the whole to be less than the probabilities of the parts.For instance, subjects in one experiment judged the probability of death from cancer in the United States was 18%, the… … Wikipedia
subadditivity — n. economic phenomenon in which the cost to produce or supply numerous variables in one firm is cheaper than the cost to produce or supply the same variables in more than one firm … English contemporary dictionary
Absolute value — For the philosophical term, see Value (ethics). For the Akrobatik album, see Absolute Value (album). In mathematics, the absolute value (or modulus) |a| of a real number a is the numerical value of a without regard to its sign. So, for example,… … Wikipedia
RiskMetrics — When making an investment, conventional methodology focused purely on the predicted level of return (or yield). Market professionals knew that you can have two assets with similar returns and yet one would be considered more risky . Professionals … Wikipedia
Natural monopoly — A monopoly describes a situation where all (or most) sales in a market are undertaken by a single firm. A natural monopoly by contrast is a condition on the cost technology of an industry whereby it is most efficient (involving the lowest long… … Wikipedia
Triangle inequality — In mathematics, the triangle inequality states that for any triangle, the length of a given side must be less than or equal to the sum of the other two sides but greater than or equal to the difference between the two sides.In Euclidean geometry… … Wikipedia
Von Neumann entropy — In quantum statistical mechanics, von Neumann entropy refers to the extension of classical entropy concepts to the field of quantum mechanics.John von Neumann rigorously established the correct mathematical framework for quantum mechanics with… … Wikipedia
Minkowski functional — In functional analysis, given a linear space X, a Minkowski functional is a device that uses the linear structure to introduce a topology on X. Contents 1 Motivation 1.1 Example 1 1.2 Example 2 2 … Wikipedia
Squashed entanglement — Squashed entanglement, also called CMI entanglement (CMI can be pronounced see me ), is an information theoretic measure of quantum entanglement for a bipartite quantum system. If varrho {A, B} is the density matrix of a system (A,B) composed of… … Wikipedia
