• (every set is open). Every discrete space is extremally disconnected. Every indiscrete space is both extremally disconnected and connected. The Stone–Čech compactification...
    4 KB (529 words) - 23:47, 14 August 2024
  • not every totally disconnected Hausdorff space is extremally disconnected. Let X {\displaystyle X} be an arbitrary topological space. Let x ∼ y {\displaystyle...
    6 KB (880 words) - 15:18, 17 April 2024
  • Thumbnail for Connected space
    topological space Extremally disconnected space – Topological space in which the closure of every open set is open Locally connected space – Property of...
    26 KB (3,815 words) - 01:49, 4 February 2024
  • Rickart spaces and the corona sets of locally compact σ-compact Hausdorff spaces are sub-Stonean spaces. Extremally disconnected space F-space Gillman...
    2 KB (270 words) - 22:47, 29 September 2022
  • every open subset of X is again an open set, and therefore X is extremally disconnected. If S is any subset of X with more than one element, then all elements...
    5 KB (667 words) - 03:08, 10 July 2022
  • algebras are Ockham algebras. Examples: The open-set lattice of an extremally disconnected space is a Stone algebra. The lattice of positive divisors of a given...
    2 KB (175 words) - 05:01, 4 June 2024
  • AL-space X is a Banach lattice that can be identified with C R ( K ) {\displaystyle C_{\mathbb {R} }(K)} , where K is a compact extremally disconnected topological...
    2 KB (319 words) - 23:10, 2 November 2022
  • this result that no infinite ξ-adic Hausdorff space can be an extremally disconnected space. Hyadic spaces were introduced by Eric van Douwen. They are...
    22 KB (3,615 words) - 02:02, 30 May 2024
  • Vector-valued Hahn–Banach theorems (category Topological vector spaces)
    Hausdorff space, extremally disconnected space T. (This space T is unique up to homeomorphism). where if in addition, Y is a vector space over the real...
    9 KB (1,203 words) - 07:53, 3 July 2023
  • Every discrete space is totally disconnected. Every non-empty discrete space is second category. Any two discrete spaces with the same cardinality are homeomorphic...
    14 KB (2,287 words) - 17:49, 9 September 2023
  • space is the whole space, which is an open set, every hyperconnected space is extremally disconnected. The continuous image of a hyperconnected space...
    11 KB (1,802 words) - 04:26, 7 February 2024
  • Order topology (redirect from Ordinal space)
    not extremally disconnected in general (there are open sets, for example the even numbers from ω, whose closure is not open). The topological spaces ω1...
    15 KB (2,106 words) - 09:57, 1 September 2024
  • dimension (real or stable rank) connectedness (projectionless) extremally disconnected spaces (AW*-algebras) Individual elements of a commutative C*-algebra...
    4 KB (476 words) - 06:17, 22 November 2021
  • Thumbnail for Carrington Event
    minutes." Portland operator: "Will do so. It is now disconnected." Boston: "Mine is disconnected, and we are working with the auroral current. How do...
    46 KB (4,704 words) - 13:03, 1 September 2024
  • projective objects in the category of compact Hausdorff spaces are precisely the extremally disconnected spaces. This result is due to Gleason (1958), with a simplified...
    7 KB (970 words) - 23:02, 17 April 2024
  • Thumbnail for Compact space
    theorem. Stone spaces, compact totally disconnected Hausdorff spaces, form the abstract framework in which these spectra are studied. Such spaces are also useful...
    45 KB (5,681 words) - 09:54, 31 July 2024
  • extremally disconnected). Any L p {\displaystyle L^{p}} space with the (almost everywhere) pointwise partial order is a Dedekind complete Riesz space...
    31 KB (5,296 words) - 00:18, 26 January 2024
  • Starfield (video game) (category Fiction about space pirates)
    negative criticism aimed at game developers. He stated it was "funny how disconnected some players are from the realities of game development, and yet they...
    81 KB (7,301 words) - 21:02, 2 September 2024
  • Thumbnail for Launch and commissioning of the James Webb Space Telescope
    fuelling operations began on 25 November 2021, the fuelling system was disconnected on 3 December 2021, and verifications were concluded on 5 December 2021...
    60 KB (5,823 words) - 01:37, 17 August 2024
  • Thumbnail for General topology
    locally connected. A space in which all components are one-point sets is called totally disconnected. Related to this property, a space X is called totally...
    42 KB (5,724 words) - 02:31, 8 November 2023
  • Thumbnail for Driller Killer (band)
    Reality Bites (1998) CD And the Winner Is… (2000) LP/CD Cold, Cheap & Disconnected (2002) LP/CD The 4Q Mangrenade (2005) LP/CD Compilation albums A.I.R...
    10 KB (617 words) - 11:40, 14 February 2024
  • After giving Ripley the information she wanted, Bishop asked to be disconnected, stating that while he could be repaired, he would never be the top of...
    11 KB (1,416 words) - 02:27, 2 September 2024
  • Thumbnail for Zdeněk Frolík
    Math. Soc., 73 (1967), pp. 87–91 Homogeneity problems for extremally disconnected spaces - Comment. Math. Univ. Carolin., 8 (1967), pp. 757–763 Baire...
    4 KB (554 words) - 07:49, 29 November 2021
  • for the Harrison topology. The product is a Boolean space (compact, Hausdorff and totally disconnected), and XF is a closed subset, hence again Boolean....
    14 KB (2,208 words) - 10:00, 10 June 2024
  • Thumbnail for Topological group
    is an inverse limit of connected Lie groups. At the other extreme, a totally disconnected locally compact group always contains a compact open subgroup...
    50 KB (7,492 words) - 16:51, 25 May 2024
  • Thumbnail for Titan (moon)
    August 12, 2021. Dermott, S. F.; Sagan, C. (1995). "Tidal effects of disconnected hydrocarbon seas on Titan". Nature. 374 (6519): 238–240. Bibcode:1995Natur...
    124 KB (12,153 words) - 04:15, 10 September 2024
  • Boolean algebra is complete if and only if its Stone space of prime ideals is extremally disconnected. Sikorski's extension theorem states that if A is a...
    10 KB (1,347 words) - 08:53, 1 December 2023
  • Thumbnail for Alcubierre drive
    achieve apparent faster-than-light travel by contracting space in front of it and expanding space behind it, under the assumption that a configurable energy-density...
    44 KB (5,452 words) - 23:04, 12 August 2024
  • Thumbnail for Expedition 25
    Expedition 25 (category Expeditions to the International Space Station)
    Expedition 25 was the 25th long-duration mission to the International Space Station (ISS). Expedition 25 began with the Soyuz TMA-18 undocking on 25 September...
    16 KB (1,067 words) - 15:14, 8 September 2024
  • Thumbnail for Disconnection (Scientology)
    short letters to the suppressive person, to warn them that they were disconnected.: 145  Roy Wallis interviewed a number of people who had been declared...
    28 KB (3,399 words) - 20:54, 23 June 2024