Sequences and series | Mathematical analysis

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. There are numerous examples of subadditive functions in various areas of mathematics, particularly norms and square roots. Additive maps are special cases of subadditive functions. (Wikipedia).

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Norm (mathematics) | Einar Hille | String (computer science) | Gábor Szegő | Strong subadditivity of quantum entropy | Closure (mathematics) | Codomain | Cumulative distribution function | Risk management | Domain of a function | Substring | Coherent risk measure | Entropy | Formal language | Sequence | Lemma (mathematics) | Von Neumann entropy | Infimum and supremum | Information theory | Superadditivity | Additive map | Variance | Concave function | Mathematics | Function (mathematics) | Pearson correlation coefficient | Real number | Value at risk | Pigeonhole principle | Measurable function | Normal distribution | Limit of a sequence | Square root | Inequality (mathematics) | Cost curve | Diversification (finance)