• mathematics, total-boundedness is a generalization of compactness for circumstances in which a set is not necessarily closed. A totally bounded set can be...
    14 KB (1,924 words) - 10:06, 17 April 2024
  • areas of mathematics, a set in a topological vector space is called bounded or von Neumann bounded, if every neighborhood of the zero vector can be inflated...
    25 KB (3,425 words) - 02:08, 9 June 2024
  • Thumbnail for Metric space
    The space M is called precompact or totally bounded if for every r > 0 there is a finite cover of M by open balls of radius r. Every totally bounded space...
    80 KB (11,075 words) - 22:00, 22 August 2024
  • Thumbnail for Bounded set
    metric space (M, d) is a bounded metric space (or d is a bounded metric) if M is bounded as a subset of itself. Total boundedness implies boundedness. For...
    6 KB (733 words) - 08:59, 4 March 2024
  • definition of boundedness can be weakened a bit; E {\displaystyle E} is bounded if and only if every countable subset of it is bounded. A set is bounded if and...
    103 KB (13,529 words) - 03:12, 5 July 2024
  • of the topology used, in a particular theory. Compactly embedded Totally bounded space page 12 of V. Khatskevich, D.Shoikhet, Differentiable Operators...
    3 KB (326 words) - 02:02, 28 October 2023
  • Thumbnail for Compact space
    admits no finite subcover. It is complete but not totally bounded. For an ordered space (X, <) (i.e. a totally ordered set equipped with the order topology)...
    45 KB (5,681 words) - 09:54, 31 July 2024
  • space is complete, though complete spaces need not be compact. In fact, a metric space is compact if and only if it is complete and totally bounded....
    16 KB (2,525 words) - 07:00, 19 April 2024
  • Thumbnail for Ball (mathematics)
    n-space, every ball is bounded by a hypersphere. The ball is a bounded interval when n = 1, is a disk bounded by a circle when n = 2, and is bounded by...
    12 KB (1,654 words) - 14:45, 10 August 2024
  • the measure space ( X , A , μ ) {\displaystyle (X,{\mathcal {A}},\mu )} is called a finite measure space or a totally finite measure space. For any measurable...
    4 KB (459 words) - 16:28, 21 June 2023
  • discrete uniform or metric space is complete. Combining the above two facts, every discrete uniform or metric space is totally bounded if and only if it is...
    14 KB (2,287 words) - 17:49, 9 September 2023
  • Thumbnail for Connected space
    resulting space, with the quotient topology, is totally disconnected. However, by considering the two copies of zero, one sees that the space is not totally separated...
    26 KB (3,815 words) - 01:49, 4 February 2024
  • closure of a strict total order < {\displaystyle <} is a (non-strict) total order. Any subset of a totally ordered set X is totally ordered for the restriction...
    21 KB (3,094 words) - 17:19, 9 April 2024
  • Schwartz spaces are topological vector spaces (TVS) whose neighborhoods of the origin have a property similar to the definition of totally bounded subsets...
    4 KB (574 words) - 20:17, 3 September 2022
  • lies entirely in K, see also totally convex. Cotangent bundle Covariant derivative Cut locus Diameter of a metric space is the supremum of distances between...
    14 KB (2,090 words) - 01:41, 13 August 2024
  • complete and totally bounded. A Fréchet–Montel space is a Fréchet space that is also a Montel space. A separable Fréchet space is a Montel space if and only...
    9 KB (1,338 words) - 19:30, 23 March 2024
  • Uniform property (category Uniform spaces)
    converges (i.e. has a limit point in X). Totally bounded (or Precompact). A uniform space X is totally bounded if for each entourage E ⊂ X × X there is...
    3 KB (325 words) - 22:15, 6 October 2023
  • viewed as a metric space, its open balls are the open bounded intervals (c + r, c − r), and its closed balls are the closed bounded intervals [c + r, c − r]...
    35 KB (4,892 words) - 08:36, 22 May 2024
  • Order topology (redirect from Ordinal space)
    any totally ordered set. It is a natural generalization of the topology of the real numbers to arbitrary totally ordered sets. If X is a totally ordered...
    15 KB (2,107 words) - 20:11, 16 July 2024
  • topology of uniform convergence on totally bounded subsets (instead of bounded subsets) in the definition of dual space X ′ . {\displaystyle X^{\prime }...
    39 KB (6,405 words) - 08:22, 19 April 2024
  • applied to Banach spaces. Although boundedness is the same as continuity for linear maps between normed spaces, the term "bounded" is more commonly used...
    103 KB (17,216 words) - 20:21, 16 August 2024
  • functions of bounded variation on a compact interval are exactly those f which can be written as a difference g − h, where both g and h are bounded monotone...
    62 KB (8,506 words) - 04:34, 19 July 2024
  • Wijsman topologies on Cl(X) coincide if and only if (X, d) is a totally bounded space. Hausdorff distance Kuratowski convergence Vietoris topology Hemicontinuity...
    4 KB (463 words) - 23:19, 11 May 2020
  • Thumbnail for Hilbert space
    convergent sequence {xn} is bounded, by the uniform boundedness principle. Conversely, every bounded sequence in a Hilbert space admits weakly convergent...
    128 KB (17,487 words) - 22:34, 20 June 2024
  • lower) bound is said to be bounded from above or majorized (respectively bounded from below or minorized) by that bound. The terms bounded above (bounded below)...
    6 KB (666 words) - 17:41, 9 March 2024
  • Thumbnail for Expansion of the universe
    anything or that space exists "outside" it. To any observer in the universe, it appears that all but the nearest galaxies (which are bound to each other...
    53 KB (6,980 words) - 16:28, 21 August 2024
  • space. In a locally convex space, the convex hull and the disked hull of a totally bounded set is totally bounded. In a complete locally convex space...
    58 KB (10,592 words) - 23:16, 10 August 2024
  • Totally Spies! The Movie (French: Totally Spies! Le film) is a 2009 animated spy-action film directed by Pascal Jardin and written by Robert and Michelle...
    15 KB (1,630 words) - 23:26, 15 August 2024
  • convergence on totally bounded sets in V {\displaystyle V} (so here A {\displaystyle {\mathcal {A}}} can be chosen as the class of all totally bounded subsets...
    45 KB (6,872 words) - 18:21, 24 June 2024
  • topological space is compact metrizable if and only if it is a continuous image of a Cantor space. Let C(X) denote the space of all real-valued, bounded continuous...
    5 KB (664 words) - 07:07, 7 August 2024