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51Ehrling's lemma — In mathematics, Ehrling s lemma is a result concerning Banach spaces. It is often used in functional analysis to demonstrate the equivalence of certain norms on Sobolev spaces.tatement of the lemmaLet ( X , || middot;|| X ), ( Y , || middot;|| Y… …
52Normal convergence — In mathematics normal convergence is a type of convergence for series of functions. Like absolute convergence, it has the useful property that it is preserved when the order of summation is changed. Contents 1 History 2 Definition 3 Distinctions …
53Northern Maramuresh — is a geographic historical region comprising roughly the eastern half of the Zakarpattia Oblast in southwestern Ukraine, near the border with Romania. Until 1920, it was part of the Maramureş (historical region) of Transylvania, at which time the …
54Beta wavelet — Continuous wavelets of compact support can be built [1] , which are related to the beta distribution. The process is derived from probability distributions using blur derivative. These new wavelets have just one cycle, so they are termed unicycle …
55Convolution power — In mathematics, the convolution power is the n fold iteration of the convolution with itself. Thus if x is a function on Euclidean space Rd and n is a natural number, then the convolution power is defined by where * denotes the convolution… …
56Dynkin's formula — In mathematics mdash; specifically, in stochastic analysis mdash; Dynkin s formula is a theorem giving the expected value of any suitably smooth statistic of an Itō diffusion at a stopping time. It is named after the Russian mathematician Eugene… …
57Weak Hausdorff space — In mathematics, a weak Hausdorff space is a topological space where the image of every continuous map from a compact Hausdorff space into the space is closed. [cite web |url=http://neil strickland.staff.shef.ac.uk/courses/homotopy/cgwh.pdf |title …
58pack — pack1 /pak/, n. 1. a group of things wrapped or tied together for easy handling or carrying; a bundle, esp. one to be carried on the back of an animal or a person: a mule pack; a hiker s pack. 2. a definite quantity or standard measure of… …
59South American Indian languages — Introduction group of languages that once covered and today still partially cover all of South America, the Antilles, and Central America to the south of a line from the Gulf of Honduras to the Nicoya Peninsula in Costa Rica. Estimates of… …
60pack — 1. noun /pæk/ a) A bundle made up and prepared to be carried; especially, a bundle to be carried on the back; a load for an animal; a bale, as of goods. The horses carried the packs across the plain. b) A number or quantity equal to the contents… …
