(1944). Every compact space is paracompact. Every paracompact Hausdorff space is normal, and a Hausdorff space is paracompact if and only if it admits...
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topology is a topological space associated to a vector bundle, over any paracompact space. One way to construct this space is as follows. Let p : E →...
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space to be metrizable. Metrizable spaces inherit all topological properties from metric spaces. For example, they are Hausdorff paracompact spaces (and...
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the above examples, all paracompact Hausdorff spaces are normal, and all paracompact regular spaces are normal; All paracompact topological manifolds are...
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space is said to be a-paracompact if every open cover of the space has a locally finite refinement. In contrast to the definition of paracompactness,...
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topological spaces: Every paracompact space is metacompact. This implies that every compact space is metacompact, and every metric space is metacompact...
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uniformity on X is complete. Every regular paracompact space (in particular, every Hausdorff paracompact space) is completely uniformizable. (Shirota's...
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Minkowski space Müntz space Normed space Paracompact space Perfectoid space Planar space Polish space Probability space Projective space Proximity space Quadratic...
69 KB (9,328 words) - 08:51, 6 March 2025
compact sets Lindelöf space Metacompact space Noetherian topological space Orthocompact space Paracompact space Quasi-compact morphism Precompact set -...
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finite. Every countably compact paracompact space is compact. More generally, every countably compact metacompact space is compact. Every countably compact...
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483-496, 1966. [2] Compact space Paracompact space Normal space Realcompact space Metacompact space Orthocompact space Tychonoff space Engelking, Ryszard (1968)...
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classifying space for the unitary group U(n) is a space BU(n) together with a universal bundle EU(n) such that any hermitian bundle on a paracompact space X is...
13 KB (2,317 words) - 22:34, 31 October 2024
{\displaystyle K} is complete. Compact space Locally compact space Measure of non-compactness Orthocompact space Paracompact space Relatively compact subspace Sutherland...
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Locally finite collection (redirect from Locally finite spaces)
property of collections of subsets of a topological space. It is fundamental in the study of paracompactness and topological dimension. Note that the term locally...
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regular Lindelöf space is normal. Every regular Lindelöf space is paracompact. A countable union of Lindelöf subspaces of a topological space is Lindelöf....
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Hence, we have the following: every metacompact space, and in particular, every paracompact space, is orthocompact. Useful theorems: Orthocompactness...
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topological space is also point-finite. A topological space in which every open cover admits a locally finite open refinement is called a paracompact space. Every...
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regular topological space (in fact, for a T1-space) to be paracompact. A family E i {\displaystyle E_{i}} of subsets of a topological space is said to be closure-preserving...
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Introduction to Metric Spaces and Fixed Point Theory, page 14, John Wiley & Sons Rudin, Mary Ellen. A new proof that metric spaces are paracompact Archived 2016-04-12...
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Number line (category Topological spaces)
differentiable structure that the topological space supports.) The real line is a locally compact space and a paracompact space, as well as second-countable and normal...
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vector bundle of rank n {\displaystyle n} over a paracompact space X {\displaystyle X} . There exists a space Y = F l ( E ) {\displaystyle Y=Fl(E)} , called...
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Topological manifold (redirect from Locally Euclidean space)
metrizable nor paracompact. Since metrizability is such a desirable property for a topological space, it is common to add paracompactness to the definition...
17 KB (2,037 words) - 04:42, 19 October 2024
E_{x}\otimes _{\mathbb {R} }\mathbb {C} } . Any complex vector bundle over a paracompact space admits a hermitian metric. The basic invariant of a complex vector...
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Michael selection theorem (category Properties of topological spaces)
following: Michael Selection Theorem—Let X be a paracompact space and Y be a separable Banach space. Let F : X → Y {\displaystyle F\colon X\to Y} be...
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hyperbolic space are tessellations of convex uniform polyhedron cells. In 3-dimensional hyperbolic space there are 23 Coxeter group families of paracompact uniform...
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to nonregular Hausdorff spaces. There are many situations where another condition of topological spaces (such as paracompactness or local compactness) will...
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Hausdorff spaces. There are many situations where another condition of topological spaces (such as normality, pseudonormality, paracompactness, or local...
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lifting. If E {\displaystyle E} is a principal G-bundle over a paracompact space, that is, a space with a free and transitive (topological) group action of...
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_{n}^{\mathbb {R} }(X)} for any paracompact space X. Since G n {\displaystyle G_{n}} is the direct limit of compact spaces, it is paracompact and so there is a unique...
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dimension of a normal space is less than or equal to the large inductive dimension. The covering dimension of a paracompact Hausdorff space X {\displaystyle...
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