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Discrete space information


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 sequence, meaning they are isolated from each other in a certain sense. The discrete topology is the finest topology that can be given on a set. Every subset is open in the discrete topology so that in particular, every singleton subset is an open set in the discrete topology.

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Discrete space

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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...

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Discrete mathematics

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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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Continuous or discrete variable

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geometry Discrete geometry Continuous series representation Discrete series representation Discretization Interpolation Discrete measure Discrete space Ali...

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Probability mass function

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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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Discrete

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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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Space

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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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Discrete group

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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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Time crystal

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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...

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Discretization

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applied mathematics, discretization is the process of transferring continuous functions, models, variables, and equations into discrete counterparts. This...

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Alexandrov topology

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intersections, the property of being an Alexandrov-discrete space is preserved under quotients. Alexandrov-discrete spaces are named after the Russian topologist...

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Frequency domain

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frequency domain. A discrete frequency domain is a frequency domain that is discrete rather than continuous. For example, the discrete Fourier transform...

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Isolated point

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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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Compact space

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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...

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Standard Borel space

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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,...

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Topological space

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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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Extremally disconnected space

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to the property of being discrete (every set is open). Every discrete space is extremally disconnected. Every indiscrete space is both extremally disconnected...

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Discrete geometry

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Discrete geometry and combinatorial geometry are branches of geometry that study combinatorial properties and constructive methods of discrete geometric...

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Stone space

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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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Finite topological space

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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...

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Scale space implementation

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scale space deals with continuous images, whereas one when implementing this theory will have to face the fact that most measurement data are discrete. Hence...

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Separable space

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{\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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Active contour model

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energy minimization. In two dimensions, the active shape model represents a discrete version of this approach, taking advantage of the point distribution model...

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Hausdorff space

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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...

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Complete metric space

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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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Topological manifold

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neighborhood homeomorphic to Rn. The real coordinate space Rn is an n-manifold. Any discrete space is a 0-dimensional manifold. A circle is a compact 1-manifold...

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Pointed space

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concept is less important; it is anyway the case of a pointed discrete space. Pointed spaces are often taken as a special case of the relative topology,...

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Discrete Fourier transform

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the discrete Fourier transform (DFT) converts a finite sequence of equally-spaced samples of a function into a same-length sequence of equally-spaced samples...

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