• In topology, a discrete space is a particularly simple example of a topological space or similar structure, one in which the points form a discontinuous...
    15 KB (2,288 words) - 20:07, 21 January 2025
  • topology, a branch of mathematics, a discrete two-point space is the simplest example of a totally disconnected discrete space. The points can be denoted by...
    807 bytes (89 words) - 17:56, 23 March 2022
  • preorder on the space. Spaces with an Alexandrov topology are also known as Alexandrov-discrete spaces or finitely generated spaces. The latter name...
    12 KB (1,604 words) - 06:22, 25 May 2025
  • Isolated point (redirect from Discrete set)
    isolated points is called a discrete set or discrete point set (see also discrete space). Any discrete subset S of Euclidean space must be countable, since...
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  • Thumbnail for Continuous or discrete variable
    Discrete modelling Discrete series representation Discrete space Discrete spectrum Discrete time and continuous time Discretization Interpolation Principal...
    11 KB (1,327 words) - 10:28, 22 May 2025
  • Thumbnail for State space (computer science)
    In computer science, a state space is a discrete space representing the set of all possible configurations of a system. It is a useful abstraction for...
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  • Thumbnail for Discrete group
    group can be endowed with the discrete topology, making it a discrete topological group. Since every map from a discrete space is continuous, the topological...
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  • {\displaystyle X.} In this case the topological space ( X , τ ) {\displaystyle (X,\tau )} is called a discrete space. Given X = Z , {\displaystyle X=\mathbb {Z}...
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  • Thumbnail for Discrete mathematics
    Discrete mathematics is the study of mathematical structures that can be considered "discrete" (in a way analogous to discrete variables, having a bijection...
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  • Thumbnail for Time crystal
    ground state, the continuous translational symmetry in space is broken and replaced by the lower discrete symmetry of the periodic crystal. As the laws of physics...
    65 KB (6,902 words) - 06:25, 23 May 2025
  • Discrete space, a simple example of a topological space Discrete spline interpolation, the discrete analog of ordinary spline interpolation Discrete time...
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  • Thumbnail for Probability mass function
    gives the probability that a discrete random variable is exactly equal to some value. Sometimes it is also known as the discrete probability density function...
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  • space. The state space may be discrete or continuous, like the set of real numbers. A {\displaystyle A} is a set of actions called the action space (alternatively...
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  • standard Borel space is the Borel space associated with a Polish space. Except in the case of discrete Polish spaces, the standard Borel space is unique,...
    3 KB (423 words) - 07:18, 27 May 2024
  • Thumbnail for Space
    possible locations and therefore could not be continuous but must be discrete. Space could be thought of in a similar way to the relations between family...
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  • arbitrarily many finite discrete spaces is a Stone space, and the topological space underlying any profinite group is a Stone space. The Stone–Čech compactification...
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  • computations in scale-space theory, and for a complementary treatment regarding hybrid discretization methods. The Gaussian scale-space representation of...
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  • Thumbnail for Compact space
    Sierpiński space is compact. No discrete space with an infinite number of points is compact. The collection of all singletons of the space is an open...
    45 KB (5,704 words) - 03:15, 17 April 2025
  • to the property of being discrete (every set is open). Every discrete space is extremally disconnected. Every indiscrete space is both extremally disconnected...
    4 KB (529 words) - 23:47, 14 August 2024
  • Sequential spaces are CG-2. This includes first countable spaces, Alexandrov-discrete spaces, finite spaces. Every CG-3 space is a T1 space (because given...
    30 KB (4,678 words) - 15:25, 21 April 2025
  • Thumbnail for Frequency domain
    frequency domain. A discrete frequency domain is a frequency domain that is discrete rather than continuous. For example, the discrete Fourier transform...
    10 KB (1,195 words) - 03:16, 1 February 2025
  • Thumbnail for Covering space
    neighborhood U x {\displaystyle U_{x}} of x {\displaystyle x} and a discrete space D x {\displaystyle D_{x}} such that π − 1 ( U x ) = ⨆ d ∈ D x V d {\displaystyle...
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  • Thumbnail for Discretization
    applied mathematics, discretization is the process of transferring continuous functions, models, variables, and equations into discrete counterparts. This...
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  • Thumbnail for Locally connected space
    general: for instance Cantor space is totally disconnected but not discrete. Let X {\displaystyle X} be a topological space, and let x {\displaystyle x}...
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  • and {a}. This topology is both discrete and trivial, although in some ways it is better to think of it as a discrete space since it shares more properties...
    21 KB (2,613 words) - 10:53, 24 March 2025
  • is closed as a subset of the product space X × X {\displaystyle X\times X} . Any injection from the discrete space with two points to X {\displaystyle...
    16 KB (2,156 words) - 02:43, 25 March 2025
  • cross-correlations. Discrete-space Fourier transform (DSFT) is the generalization of the DTFT from 1D signals to 2D signals. It is called "discrete-space" rather...
    7 KB (1,001 words) - 15:55, 27 May 2025
  • {\displaystyle n} -dimensional Euclidean space is separable. A simple example of a space that is not separable is a discrete space of uncountable cardinality. Further...
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  • Thumbnail for Discrete geometry
    Discrete geometry and combinatorial geometry are branches of geometry that study combinatorial properties and constructive methods of discrete geometric...
    15 KB (1,575 words) - 05:36, 16 October 2024
  • there is no such index. This space is homeomorphic to the product of a countable number of copies of the discrete space S . {\displaystyle S.} Riemannian...
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