logarithmic norm is a real-valued functional on operators, and is derived from either an inner product, a vector norm, or its induced operator norm....
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{1}{\sqrt {m}}}\|A\|_{1}\leq \|A\|_{2}\leq {\sqrt {n}}\|A\|_{1}.} Dual norm Logarithmic norm The condition only applies when the product is defined, such as...
28 KB (4,787 words) - 04:58, 22 February 2025
Magnitude (mathematics) (redirect from Logarithmic magnitude)
Richter scale of earthquake intensity. Logarithmic magnitudes can be negative. In the natural sciences, a logarithmic magnitude is typically referred to as...
8 KB (1,316 words) - 18:09, 28 January 2025
Negativity (quantum mechanics) (redirect from Logarithmic negativity)
P(\rho )} is an arbitrary LOCC operation over ρ {\displaystyle \rho } The logarithmic negativity is an entanglement measure which is easily computable and...
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Hörmander as his advisors. As part of this work he introduced the logarithmic norm (also introduced by Russian mathematician Sergei Lozinskii the same...
4 KB (375 words) - 01:15, 23 April 2025
Stochastic Gronwall inequality Logarithmic norm, for a version of Gronwall's lemma that gives upper and lower bounds to the norm of the state transition matrix...
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In mathematics, logarithmic Sobolev inequalities are a class of inequalities involving the norm of a function f, its logarithm, and its gradient ∇ f {\displaystyle...
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Potentiometer (redirect from Logarithmic potentiometer)
usually marked with an "A" for logarithmic taper or a "B" for linear taper; "C" for the rarely seen reverse logarithmic taper. Others, particularly those...
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f ( x ^ ) = 0 {\displaystyle f({\hat {x}})=0} . If there exists a logarithmic norm μ {\displaystyle \mu } such that the Jacobian J ( x ) = D x f {\displaystyle...
4 KB (583 words) - 22:03, 17 January 2024
Strain (mechanics) (redirect from Logarithmic strain)
other more complex definitions of strain are required, such as stretch, logarithmic strain, Green strain, and Almansi strain. Engineering strain, also known...
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Positive real numbers (redirect from Logarithmic measure)
measure on the real numbers under the logarithm: it is the length on the logarithmic scale. In fact, it is an invariant measure with respect to multiplication...
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of the logarithmic derivative of f {\displaystyle f} , which is ( log f ) ′ = f ′ / f {\displaystyle (\log f)'=f'/f} , and the logarithmic derivative...
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Number line (section Logarithmic scale)
arithmetic to the geometric composition of angles. Marking the line with logarithmically spaced graduations associates multiplication and division with geometric...
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Logarithmic chart of the hearing ranges of some animals...
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Metric space (redirect from Norm induced metric)
of norms in finite dimensions, a topologically equivalent metric is obtained if N is the taxicab norm, a p-norm, the maximum norm, or any other norm which...
82 KB (11,434 words) - 23:41, 9 March 2025
({\hat {x}}).} Korevaar, J.; Meyers, J. L. H. (1994), "Logarithmic convexity for supremum norms of harmonic functions", Bull. London Math. Soc., 26 (4):...
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associated with a norm called the Euclidean norm, defined as the distance of each vector from the origin. One of the important properties of this norm, relative...
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property above, x = ƒ(t). The order of growth of Dirichlet's kernel is logarithmic, i.e. ∫ | D N ( t ) | d t = 4 π 2 log N + O ( 1 ) . {\displaystyle...
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there is in mathematical analysis a class of Sobolev inequalities, relating norms including those of Sobolev spaces. These are used to prove the Sobolev embedding...
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removed. This 2-norm in logarithmic space can be generalized to p-norm in logarithmic space. The drawback of this 2-norm in logarithmic space is that it...
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comparison to the reference level of 1 pPa (= 10−12 pascals). It is a logarithmic measure of the ratio of two sound energy densities. The unit of the sound...
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precise estimate may be given in terms of the logarithmic integral function. The number of prime ideals of norm ≤ X is L i ( X ) + O K ( X exp ( − c K log...
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When the collection of numbers and their geometric mean are plotted in logarithmic scale, the geometric mean is transformed into an arithmetic mean, so...
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n=2} the term bidisc is sometimes used. A polydisc is an example of logarithmically convex Reinhardt domain. Poincare, H, Les fonctions analytiques de...
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expected frequency: points that fall more than 3 standard deviations from the norm are likely outliers (unless the sample size is significantly large, by which...
20 KB (1,647 words) - 16:59, 2 March 2025
right-most child's index, used to guide the search), taking the time logarithmic in the list's size, but as long as it doesn't change much will provide...
10 KB (1,410 words) - 15:29, 15 March 2025
of the coordinates (e.g. 7 for the coordinates (3/7, 1/2)), but in a logarithmic scale. Height functions allow mathematicians to count objects, such as...
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mathematics, Dvoretzky's theorem is an important structural theorem about normed vector spaces proved by Aryeh Dvoretzky in the early 1960s, answering a...
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security) (see survey of Goldwasser [4] 1990 Introduced the first poly-logarithmic Oblivious RAM (ORAM) scheme. 1993 Proved (with A. Wigderson) equivalence...
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semitones play a part in communicative situations". Note that, given the logarithmic characteristics of Hz, for both music and speech perception results should...
13 KB (1,713 words) - 21:22, 30 January 2025