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Locally compact space - Wikipedia
https://en.wikipedia.org/wiki/Locally_compact_space
WEBIn topology and related branches of mathematics, a topological space is called locally compact if, roughly speaking, each small portion of the space looks like a small portion of a compact space. More precisely, it is a topological space in which every point has a …
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Locally Compact -- from Wolfram MathWorld
https://mathworld.wolfram.com/LocallyCompact.html
WEBApr 13, 2024 · Locally Compact. A topological space is locally compact if every point has a neighborhood which is itself contained in a compact set. Many familiar topological spaces are locally compact, including the Euclidean space. Of …
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5. Locally compact spaces - Kansas State University
https://www.math.ksu.edu/~nagy/real-an/1-05-top-loc-comp.pdf
WEB5. Locally compact spaces Definition. A locally compact space is a Hausdorff topological space with the property (lc) Every point has a compact neighborhood. One key feature of locally compact spaces is contained in the following; Lemma 5.1. Let Xbe a locally compact space, let Kbe a compact set in X, and let Dbe an open subset, with K⊂ D.
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Locally compact space - Encyclopedia of Mathematics
https://encyclopediaofmath.org/wiki/Locally_compact_space
WEBApr 15, 2018 · Every connected paracompact locally compact space is the sum of countably many compact subsets. The most important example of a locally compact …
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locally compact topological space in nLab - ncatlab.org
https://ncatlab.org/nlab/show/locally+compact+topological+space
WEBA locally compact Hausdorff space may also be called a local compactum; compare at compactum. Local compactness is one of the conditions that are often required by default for working with topological spaces: locally compact spaces are a class of “ nice topological spaces ”.
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MAT 449 : Representation theory - Princeton University
https://web.math.princeton.edu/~smorel/449/notes_449.pdf
WEBDefinition I.1.9. A compact group (resp. a locally compact group) is a Hausdorff and compact (resp. locally compact) topological group. Example I.1.10. Among the groups of example I.1.2, finiet discrete groups and the groups S1, SU(n) and SO(n) are compact. All the other groups are locally compact. We get a non-
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Locally compact field - Wikipedia
https://en.wikipedia.org/wiki/Locally_compact_field
WEBIn algebra, a locally compact field is a topological field whose topology forms a locally compact Hausdorff space. [1] These kinds of fields were originally introduced in p-adic analysis since the fields are locally compact topological …
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Math 396. Paracompactness and local compactness Motivation
http://math.stanford.edu/~conrad/diffgeomPage/handouts/paracompact.pdf
WEBTheorem 2.6. Any second countable Hausdor space Xthat is locally compact is paracompact. Proof. Let fV ngbe a countable base of opens in X. Let fU igbe an open cover of Xfor which we seek a locally nite re nement. Each x2Xlies in some U i and so there exists a V n(x) containing xwith V n(x) U i. The V n(x)’s therefore consistute a re nement …
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Locally Compact Spaces | SpringerLink
https://link.springer.com/chapter/10.1007/978-981-16-9484-4_11
WEBJul 10, 2022 · A topological space X is said to be locally compact if every point \(x\in X\) has a compact neighbourhood; i.e. there is an open set V such that \(x\in V\) and \(\bar{V}\) is compact. Sets with compact closure are called relatively compact or precompact sets.
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Compact and Locally Compact Spaces | SpringerLink
https://link.springer.com/chapter/10.1007/978-3-031-21912-2_5
WEBNov 17, 2022 · Compact and Locally Compact Spaces. Chapter. First Online: 17 November 2022. pp 105–136. Cite this chapter. Download book PDF. Download book EPUB. Measure-Theoretic Calculus in Abstract Spaces. Zigang Pan. 124 Accesses. Abstract. The concept of compactness of a set is pervasive in analysis.
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