a topological space X {\displaystyle X} is called a compactly generated space or k-space if its topology is determined by compact spaces in a manner made...
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mathematics, compactly generated can refer to: Compactly generated group, a topological group which is algebraically generated by one of its compact subsets...
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cube is compact, again a consequence of Tychonoff's theorem. A profinite group (e.g. Galois group) is compact. Compactly generated space Compactness theorem...
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mathematics, a compactly generated (topological) group is a topological group G which is algebraically generated by one of its compact subsets. This should...
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compact. Quotient spaces of locally compact Hausdorff spaces are compactly generated. Conversely, every compactly generated Hausdorff space is a quotient...
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of compactly generated weak Hausdorff spaces, CGWH, is a category used in algebraic topology as an alternative to the category of topological spaces, Top...
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for a compactly generated space in topology K-space (functional analysis) is an F-space such that every twisted sum by the real line splits K-Space (band)...
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-Hausdorff spaces are to Δ {\displaystyle \Delta } -generated spaces as weak Hausdorff spaces are to compactly generated spaces. Fixed-point space – Space where...
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with compactly generated spaces as objects and continuous maps as morphisms or with the category of compactly generated weak Hausdorff spaces. Like many...
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coincides with the compact-open topology and may be used to uniquely define it. The modification of the definition for compactly generated spaces may be viewed...
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{\displaystyle (X,{\mathcal {T}})} is a compactly generated space, f n → f {\displaystyle f_{n}\to f} compactly, and each f n {\displaystyle f_{n}} is...
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difficulties in using homotopies with certain spaces. Algebraic topologists work with compactly generated spaces, CW complexes, or spectra. Formally, a homotopy...
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of non-compactness Paracompact space Locally compact space Compactly generated space Axiom of countability Sequential space First-countable space Second-countable...
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"convenient". Every sequential space is compactly generated, and finite products in Seq coincide with those for compactly generated spaces, since products in the...
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the change in functions More generally, on any compactly generated space; e.g., a first-countable space. Rudin 1991, p. 44 §2.5. Reed & Simon (1980), p...
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here. As an example, a commonly used variant of the notion of compactly generated space is defined as the final topology with respect to a proper class...
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Σ-algebra (redirect from Generated σ-algebra)
containing all the others. It is the algebra generated by the product topology or weak topology on the product space { H , T } ∞ . {\displaystyle \{H,T\}^{\infty...
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D({\text{Sh}}(X;{\text{Ab}}))} for a non-compact topological space X {\displaystyle X} , it is generally not a compactly generated category. Some evidence for this...
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CW complex (category Topological spaces)
that X and Y are compactly generated Hausdorff spaces, so Hom(X,Y) is often taken with the compactly generated variant of the compact-open topology; the...
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topology, i.e., the topology generated by all intervals ( x , ∞ ) . {\displaystyle (x,\infty ).} The space is limit point compact because given any point a...
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Closed manifold (redirect from Closed space)
non-compact, but this is not an open manifold since the circle (one of its components) is compact. Most books generally define a manifold as a space that...
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Banach space ℓ 1 {\displaystyle \ell ^{1}} is not a K-space. Compactly generated space – Property of topological spaces Gelfand–Shilov space Kalton,...
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first-countable space is compactly generated. Every subspace of a first-countable space is first-countable. Any countable product of a first-countable space is first-countable...
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hyperbolic space is a uniform tessellation of uniform polyhedral cells. In 3-dimensional hyperbolic space there are nine Coxeter group families of compact convex...
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Alexandrov topology (redirect from Finitely generated space)
preorder on the space. Spaces with an Alexandrov topology are also known as Alexandrov-discrete spaces or finitely generated spaces. The latter name...
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arguments). For any pointed spaces X, Y, and Z in an appropriate "convenient" category (e.g., that of compactly generated spaces), there are natural (basepoint...
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Moreover, a (Hausdorff) space is realcompact if and only if it has the uniform topology and is complete for the uniform structure generated by the continuous...
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{\displaystyle g\colon A\to B} is any (continuous) map (between compactly generated spaces), and i : A → X {\displaystyle i\colon A\to X} is a cofibration...
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For any indexed family of topological spaces, the product can be given the product topology, which is generated by the inverse images of open sets of...
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Arzelà–Ascoli theorem (category Topology of function spaces)
metric space. More general formulations of the theorem exist that give necessary and sufficient conditions for a family of functions from a compactly generated...
27 KB (3,819 words) - 12:15, 7 April 2025