mathematics, specifically measure theory, a complex measure generalizes the concept of measure by letting it have complex values. In other words, one...
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Total variation (redirect from Measure variation)
of notation, total variation measure. If the measure μ {\displaystyle \mu } is complex-valued i.e. is a complex measure, its upper and lower variation...
25 KB (3,547 words) - 03:35, 10 January 2025
include: Borel measure, Jordan measure, ergodic measure, Gaussian measure, Baire measure, Radon measure, Young measure, and Loeb measure. In physics an...
35 KB (5,559 words) - 12:21, 2 May 2025
Radon–Nikodym theorem (redirect from Density function (measure theory))
theorem is a result in measure theory that expresses the relationship between two measures defined on the same measurable space. A measure is a set function...
23 KB (3,614 words) - 20:46, 30 April 2025
This definition applies mutatis mutandis for a signed or complex measure. The pushforward measure is also denoted as μ ∘ f − 1 {\displaystyle \mu \circ f^{-1}}...
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to signed and complex measures. Suppose that μ : Σ → [ − ∞ , + ∞ ] {\displaystyle \mu :\Sigma \to [-\infty ,+\infty ]} is a signed measure. Use the Hahn...
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{\displaystyle \sigma } -algebra on X {\displaystyle X} ). A measure/signed measure/complex measure μ {\displaystyle \mu } defined on Σ {\displaystyle \Sigma...
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space – Type of topological space Complex measure – Measure with complex values Signed measure – Generalized notion of measure in mathematics Vector-valued...
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rather than real numbers. As in the case of ordinary measures, it is possible to integrate complex-valued functions with respect to a PVM; the result of...
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In mathematics, two positive (or signed or complex) measures μ {\displaystyle \mu } and ν {\displaystyle \nu } defined on a measurable space ( Ω , Σ )...
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pre–metric system French measures), which equals around 1.67 metres, or just under 5 feet 6 inches in imperial measure. The Napoleon complex is named after French...
10 KB (1,111 words) - 18:56, 30 April 2025
In statistics and related fields, a similarity measure or similarity function or similarity metric is a real-valued function that quantifies the similarity...
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support, and the measures can be Baire measures or regular Borel measures or Radon measures or signed measures or complex measures. The statement of...
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Absolute continuity (redirect from Absolutely continuous measure)
such equivalence classes. If μ {\displaystyle \mu } is a signed or complex measure, it is said that μ {\displaystyle \mu } is absolutely continuous with...
19 KB (2,682 words) - 19:15, 14 May 2025
Lebesgue's decomposition theorem (category Theorems in measure theory)
a measure space, μ {\displaystyle \mu } a σ-finite positive measure on Σ {\displaystyle \Sigma } and λ {\displaystyle \lambda } a complex measure on...
6 KB (860 words) - 05:50, 18 January 2025
In mathematics (specifically in measure theory), a Radon measure, named after Johann Radon, is a measure on the σ-algebra of Borel sets of a Hausdorff...
20 KB (2,777 words) - 00:15, 23 March 2025
Riesz–Markov–Kakutani representation theorem. Angular displacement Complex measure Spectral measure Vector measure Riesz–Markov–Kakutani representation theorem Signed...
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equilibrium measure μ f {\displaystyle \mu _{f}} . On the other hand, the measure μ f {\displaystyle \mu _{f}} vanishes on closed complex subspaces not...
31 KB (4,690 words) - 02:37, 24 October 2024
Fractal string (section Complex dimensions)
string η {\displaystyle \eta } is defined to be a local positive or complex measure on ( 0 , + ∞ ) {\displaystyle (0,+\infty )} such that | η | ( 0 , x...
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) Let M {\displaystyle M} be a collection of (possibly signed or complex) measures defined on Σ {\displaystyle \Sigma } . The collection M {\displaystyle...
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In mathematics, the Mahler measure M ( p ) {\displaystyle M(p)} of a polynomial p ( z ) {\displaystyle p(z)} with complex coefficients is defined as M...
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policymakers clearer picture of the outcome of government programs. Measuring poverty is a complex and comprehensive task requiring various methods and approaches...
41 KB (4,909 words) - 21:04, 16 February 2025
Holomorphic separability (category Complex analysis)
mathematics in complex analysis, the concept of holomorphic separability is a measure of the richness of the set of holomorphic functions on a complex manifold...
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Unit circle (section In the complex plane)
{z}}=x^{2}+y^{2}=1.} The complex unit circle can be parametrized by angle measure θ {\displaystyle \theta } from the positive real axis using the complex exponential...
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complete measure (or, more precisely, a complete measure space) is a measure space in which every subset of every null set is measurable (having measure zero)...
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Set function (category Measures (measure theory))
is instead some vector space, as with vector measures, complex measures, and projection-valued measures. The domain of a set function may have any number...
43 KB (7,484 words) - 06:33, 17 October 2024
education, income and living conditions in a given country to provide a measure of human development which is comparable between countries and over time...
44 KB (1,452 words) - 08:32, 15 May 2025
In mathematics, specifically in measure theory, a Borel measure on a topological space is a measure that is defined on all open sets (and thus on all...
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confuse more than they illuminate." Negative probability Signed measure Complex measure Youssef, Saul (2001). "Physics with exotic probability theory"...
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between 1994 and 2007 and was inaugurated in December 2007. The building complex measures approximately 290 by 420 m (950 by 1,380 ft), covering an area of more...
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