• In mathematics, a point x is called an isolated point of a subset S (in a topological space X) if x is an element of S and there exists a neighborhood...
    6 KB (840 words) - 06:48, 16 November 2023
  • x {\displaystyle x} itself. A limit point can be characterized as an adherent point that is not an isolated point. Limit points of a set should also not...
    17 KB (2,886 words) - 00:32, 8 March 2024
  • Thumbnail for Point (geometry)
    mathematics, a space of points is typically treated as a set, a point set. An isolated point is an element of some subset of points which has some neighborhood...
    14 KB (1,608 words) - 05:39, 1 October 2024
  • Thumbnail for Image segmentation
    indicating the presence of an isolated point; otherwise, it returns 0. This helps in the effective detection and segmentation of isolated points in the image....
    74 KB (9,658 words) - 08:28, 11 October 2024
  • Thumbnail for Isolated singularity
    general topology, an isolated singularity of a holomorphic function f : Ω → C {\displaystyle f:\Omega \to \mathbb {C} } is any isolated point of the boundary...
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  • real plane the origin is an isolated point on the curve; however when considered as a complex curve the origin is not isolated and has two imaginary tangents...
    10 KB (1,891 words) - 01:05, 13 December 2023
  • Thumbnail for List of elevation extremes by country
    the seventh-most topographically isolated point on Earth. The summit of Gunnbjørn Fjeld in Greenland is the highest point in the Arctic, and is the ninth...
    53 KB (2,163 words) - 06:40, 11 October 2024
  • Thumbnail for General topology
    at a if and only if the limit of f as x approaches a is f(a). At an isolated point, every function is continuous. In several contexts, the topology of...
    42 KB (5,730 words) - 13:52, 26 September 2024
  • Thumbnail for Uncontacted peoples
    peoples generally refers to Indigenous peoples who have remained largely isolated to the present day, maintaining their traditional lifestyles and functioning...
    37 KB (3,683 words) - 05:06, 8 October 2024
  • countable Hausdorff space without isolated points is meagre, whereas any topological space that contains an isolated point is nonmeagre. Because the rational...
    18 KB (2,938 words) - 06:38, 2 July 2024
  • Thumbnail for Isolated brain
    An isolated brain is a brain kept alive in vitro, either by perfusion or by a blood substitute, often an oxygenated solution of various salts, or by submerging...
    45 KB (4,305 words) - 05:42, 5 October 2024
  • Thumbnail for Neighbourhood (mathematics)
    (among other things). Isolated point – Point of a subset S around which there are no other points of S Neighbourhood system – (for a point x) collection of...
    10 KB (1,373 words) - 06:52, 17 April 2024
  • element of A {\displaystyle A} (or both). An adherent point which is not a limit point is an isolated point. Intuitively, having an open set A {\displaystyle...
    6 KB (865 words) - 06:24, 20 March 2024
  • {\displaystyle A} has no isolated point. Equivalently, A {\displaystyle A} is dense-in-itself if every point of A {\displaystyle A} is a limit point of A {\displaystyle...
    4 KB (592 words) - 23:48, 24 December 2023
  • metric space with no isolated point is uncountable. (If X {\displaystyle X} is a nonempty countable metric space with no isolated point, then each singleton...
    10 KB (1,477 words) - 03:23, 25 August 2024
  • Thumbnail for Topographic isolation
    (NHN). The following sortable table lists Earth's 40 most topographically isolated summits. The nearest peak to Germany's highest mountain, the 2,962-metre-high...
    13 KB (728 words) - 16:34, 23 June 2024
  • An isolated ground (IG) (or Functional Earth (FE) in European literature) is a ground connection to a local earth electrode from equipment where the main...
    4 KB (542 words) - 15:50, 3 June 2021
  • limit point. A point of closure which is not a limit point is an isolated point. In other words, a point x {\displaystyle x} is an isolated point of S...
    27 KB (4,287 words) - 20:13, 5 October 2023
  • have assumed that the domain of f does not have any isolated points.) A neighborhood of a point c is a set that contains, at least, all points within...
    60 KB (9,404 words) - 10:25, 11 September 2024
  • single brainstorming session, and each item can be presented as an isolated point, not part of any step-by-step logical argument. Problem/solution: Recommends...
    12 KB (1,486 words) - 06:00, 23 May 2024
  • In chess, an isolated pawn is a pawn that has no friendly pawn on an adjacent file. Isolated pawns are usually a weakness because they cannot be protected...
    9 KB (1,250 words) - 04:09, 14 July 2024
  • Hausdorff space and p {\displaystyle p} is a limit point of X {\displaystyle X} (i.e. not an isolated point of X {\displaystyle X} ), X {\displaystyle X} is...
    14 KB (2,183 words) - 20:42, 13 February 2024
  • interior of a set S is an interior point of S. Interior point See Interior. Isolated point A point x is an isolated point if the singleton {x} is open. More...
    55 KB (7,684 words) - 17:02, 23 September 2024
  • mathematics that can be defined based on a property of its members Isolated point – Point of a subset S around which there are no other points of S Uniqueness...
    6 KB (823 words) - 20:22, 11 October 2024
  • trivially continuous at any isolated point p ∈ X {\displaystyle p\in X} . This somewhat unintuitive treatment of isolated points is necessary to ensure...
    49 KB (7,673 words) - 10:05, 6 August 2024
  • defined as the set of isolated points of its spectrum such that the rank of the corresponding Riesz projector is finite. A point λ ∈ C {\displaystyle \lambda...
    5 KB (851 words) - 01:58, 10 April 2023
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    is an isolated point in the solution set of a polynomial equation in two real variables. Equivalent terms are isolated point and hermit point. For example...
    2 KB (263 words) - 03:29, 29 September 2024
  • Thumbnail for Boundary (topology)
    boundary point. Also, every point of S {\displaystyle S} is either an accumulation point or an isolated point. Likewise, every boundary point of S {\displaystyle...
    21 KB (3,700 words) - 12:01, 6 July 2024
  • Thumbnail for Inflection point
    one and only point at which f' has a (local) minimum or maximum. If all extrema of f' are isolated, then an inflection point is a point on the graph of...
    10 KB (1,219 words) - 15:57, 31 August 2024
  • Thumbnail for Jordan normal form
    an isolated point of σ(T). (As stated above, when T is compact, every point in its spectrum is an isolated point, except possibly the limit point 0.)...
    43 KB (6,844 words) - 06:01, 30 September 2024