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- ...th>. The classical Poisson formula for a bounded harmonic function on the disc has the form ...e disc determines a function on the group of Möbius transformations of the disc by setting {{math|''F''(''g'') {{=}} ''f''(''g''(0))}}. Then the Poisson f ...3 KB (551 words) - 19:03, 9 February 2025
- ...[sequence]] of [[Holomorphic function|holomorphic]], [[Compact convergence|compact]] [[Uniform convergence#Definition|locally uniformly convergent]] functions ...a connected [[open set]] ''G'' that converge uniformly on [[Compact space|compact]] subsets of ''G'' to a holomorphic function ''f'' which is not constantly ...6 KB (919 words) - 16:39, 26 February 2024
- ...ing the ambient space <math>\mathbb{S}^{n+1}</math> by a simply-connected, compact symmetric space. Some results in this direction are due to [[Wu-Chung Hsian ...gular point of a minimal hypersurface necessarily different from that of a disc? ...3 KB (439 words) - 22:34, 23 December 2020
- A family <math>\mathcal F</math> of functions [[meromorphic]] on the unit disc <math>\Delta</math> is not normal if and only if there exist: spherically uniformly on compact subsets of <math>C,</math> where <math>g</math> is a nonconstant meromorphi ...5 KB (805 words) - 02:04, 26 September 2024
- ...<math>\partial M</math> is non-empty and <math>M</math> is [[compact space|compact]]. ...</math> is <math>M \times S^k</math>. Even more generally, the double of a disc bundle over a manifold is a sphere bundle over the same manifold. More conc ...3 KB (417 words) - 20:20, 14 December 2023
- |{{Hlist|[[Compact disc|CD]]|[[Music download|Download]]}} |{{Hlist|[[Compact disc|CD]]|[[Music download|Download]]}} ...8 KB (1,057 words) - 22:27, 27 February 2025
- ...es|classification theorem for surfaces]] states that every [[compact space|compact]] [[connected space|connected]] two-dimensional manifold is [[homeomorphism ...>''2''</sup>'''. Another surface of genus zero is the [[disk (mathematics)|disc]]. ...6 KB (899 words) - 16:49, 11 October 2024
- ...ath> are the polar coordinates of the point <math>(x,y)</math> on the unit disc map. ...is the intensity of the pixel at the point <math>(x,y)</math> on the unit disc mapped from image <math>i</math>. ...6 KB (1,079 words) - 03:18, 29 January 2024
- ...lysis]]. Namely, if ''f'' is a [[holomorphic function]] on the [[open unit disc]] ''D'' in the [[complex number]]s '''C''' such that ''f''(0) = 0 and |''f' for all holomorphic maps ''f'' from the unit disc ''D'' to ''X'', where <math> \rho(x,y)</math> denotes distance in the Poinc ...18 KB (2,467 words) - 13:14, 8 November 2023
- ...{val|44.1|ul=kHz}} audio sampling rate is widely used due to the [[compact disc]] (CD) format, dating back to its use by [[Sony]] from 1979. ...mat]]s which were originally created from material [[Ripping|ripped]] from compact discs. ...10 KB (1,500 words) - 13:51, 10 January 2025
- A ''bordered Riemann surface'' ''X'' can be defined as a region on a [[compact Riemann surface]] whose boundary ∂''X'' consists of finitely many disjoint ...is an open Riemann surface, for example the [[complex plane]] or the unit disc, and let ''Z'' be equipped with a conformal metric ''ds''. We say that (''Z ...8 KB (1,230 words) - 18:53, 29 January 2025
- ...ates that given a positive harmonic function <math>f</math> on the [[unit disc]] <math>\mathbb D = \{ z \in \mathbb C : |z| < 1\}</math> (that is, <math>\ ...s]] associated to <math>\Delta</math> (i.e. the [[Brownian motion]] on the disc with the Poincaré Riemannian metric), then the process <math>f(W_t)</math> ...14 KB (2,256 words) - 02:40, 4 October 2024
- ...e mediums. These errors may be due to physical damage such as scratch on a disc or a stroke of lightning in case of wireless channels. They are not indepen It is often useful to have a compact definition of a burst error, that encompasses not only its length, but also ...48 KB (8,154 words) - 17:08, 22 October 2024
- In [[astrophysics]], the '''chirp mass''' of a compact binary system determines the [[leading-order]] orbital evolution of the sys .../002 |arxiv=gr-qc/9602024 |title=Gravitational waveforms from inspiralling compact binaries to second-post-Newtonian order |bibcode=1996CQGra..13..575B |pages ...10 KB (1,479 words) - 17:58, 18 July 2024
- {{Compact ToC|short1|sym=yes|x=[[#XYZ|XYZ]]|y=|z=|seealso=yes|refs=yes}} ...[Alaoglu's theorem]] states that the closed unit ball in a normed space is compact in the [[weak-* topology]].}} ...21 KB (3,250 words) - 02:04, 6 December 2024
- ...pair cascade in a strong electric and radiation field.<ref>Camenzind, M.: "Compact objects in Astrophysics" (Springer 2007, {{ISBN|978-3-540-25770-7}}), p. 50 The Blandford–Znajek process requires an [[accretion disc]] with a strong [[Toroidal and poloidal|poloidal]] magnetic field around a ...5 KB (792 words) - 17:33, 8 January 2025
- ...ning fixed points and iterations of [[holomorphic mapping]]s of the [[unit disc]] in the [[complex numbers]] into itself. The result was proved independent ...losure of ''D'' such that the iterates of ''f'' tend to ''z'' uniformly on compact subsets of ''D''. If ''z'' lies in ''D'', it is the unique fixed point of ' ...6 KB (1,035 words) - 08:39, 6 December 2024
- ...is an open subset of the unit disk mapping homeomorphically onto the open disc. If ''N'' > 1, its complement would also have to be open, contradicting con ...But then the [[Arzelà–Ascoli theorem]] implies these homeomorphisms form a compact subset in C('''T'''). The non-linear functional Λ is continuous on this sub ...15 KB (2,449 words) - 02:17, 15 June 2024
- ...>f(z) = z^2</math> consists precisely of the complement of the closed unit disc: ...nk=Lasse Rempe-Gillen |arxiv=2006.16946 |title=Escaping sets are not sigma-compact |journal=[[Proceedings of the American Mathematical Society]] |date=2020 |v ...7 KB (1,124 words) - 17:45, 26 February 2025
- ...to any larger disk |''z''| < ''R'' with ''R'' > 1. Accordingly in the unit disc is compact, indeed it is given by an operator with smooth kernel because ''P'' and ''T ...8 KB (1,158 words) - 07:16, 18 December 2023