• induced from that of 𝜏 called the subspace topology (or the relative topology, or the induced topology, or the trace topology). Given a topological space (...
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  • subspace topology on Z, so that the subspace topology will not be an order topology even though it is the subspace topology of a space whose topology...
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  • } is the coarsest topology on X {\displaystyle X} that makes those functions continuous. The subspace topology and product topology constructions are...
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  • Thumbnail for Compact space
    topological space X is said to be compact if it is compact as a subspace (in the subspace topology). That is, K is compact if for every arbitrary collection...
    45 KB (5,704 words) - 04:39, 27 June 2025
  • singleton subsets). The topology is coherent with the finite subspaces of X {\displaystyle X} . The inclusion maps of the finite subspaces of X {\displaystyle...
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  • Thumbnail for Natural topology
    order topology, i.e. the order topology of the totally ordered Y, where this order is inherited from X, is coarser than the subspace topology of the...
    3 KB (366 words) - 03:25, 11 May 2023
  • Dense set (redirect from Dense subspace)
    {\displaystyle B} is dense in C {\displaystyle C} (in the respective subspace topology) then A {\displaystyle A} is also dense in C . {\displaystyle C.}...
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  • Thumbnail for Connected space
    Connected and disconnected subspaces of R² In topology and related branches of mathematics, a connected space is a topological space that cannot be represented...
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  • equipped with the subspace topology inherited from C ∞ ( U ) {\displaystyle C^{\infty }(U)} (a coarser topology than the canonical LF topology), is continuous;...
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  • Thumbnail for Boundary (topology)
    interior. In the space of rational numbers with the usual topology (the subspace topology of R {\displaystyle \mathbb {R} } ), the boundary of ( − ∞...
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  • submaximal space is irresolvable. Subspace If T is a topology on a space X, and if A is a subset of X, then the subspace topology on A induced by T consists...
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  • Thumbnail for General topology
    many topologies are most easily defined in terms of a base that generates them. Every subset of a topological space can be given the subspace topology in...
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  • In topology, a retraction is a continuous mapping from a topological space into a subspace that preserves the position of all points in that subspace. The...
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  • that the final topology often appears. A topology is coherent with some collection of subspaces if and only if it is the final topology induced by the...
    23 KB (4,320 words) - 14:39, 26 May 2025
  • parent space A subset of a topological space endowed with the subspace topology Linear subspace, in linear algebra, a subset of a vector space that is closed...
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  • {\displaystyle X} to be endowed with the subspace topology induced on it by, say, the strong dual topology β ( ( X β ′ ) ′ , X β ′ ) {\displaystyle \beta...
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  • {\displaystyle T} is a subspace of X {\displaystyle X} (meaning that T {\displaystyle T} is endowed with the subspace topology that X {\displaystyle X}...
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  • natural topology called the product topology. This topology differs from another, perhaps more natural-seeming, topology called the box topology, which...
    13 KB (2,206 words) - 15:10, 10 March 2025
  • Thumbnail for Open set
    Open set (redirect from Open (topology))
    set Y can be given its own topology (called the 'subspace topology') defined by "a set U is open in the subspace topology on Y if and only if U is the...
    27 KB (4,389 words) - 20:38, 20 October 2024
  • linear subspace or vector subspace is a vector space that is a subset of some larger vector space. A linear subspace is usually simply called a subspace when...
    33 KB (4,648 words) - 02:41, 18 July 2025
  • Thumbnail for Cantor set
    generally, in topology, a Cantor space is a topological space homeomorphic to the Cantor ternary set (equipped with its subspace topology). The Cantor...
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  • Linear subspace – In mathematics, vector subspace Pointless topology Quasitopological space – Function in topology Relatively compact subspace – Subset...
    27 KB (3,839 words) - 21:04, 18 July 2025
  • openness condition. Subspace topology: If Y ⊆ X {\displaystyle Y\subseteq X} and X {\displaystyle X} carries the cocountable topology, then Y {\displaystyle...
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  • Thumbnail for Zariski topology
    algebraic set (irreducible or not) then the Zariski topology on it is defined simply to be the subspace topology induced by its inclusion into some A n . {\displaystyle...
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  • A linear subspace of D ′ ( U ) {\displaystyle {\mathcal {D}}'(U)} carrying a locally convex topology that is finer than the subspace topology induced on...
    128 KB (21,580 words) - 18:41, 21 June 2025
  • T1 space (redirect from T1 topology)
    the sense that each point has a T1 neighbourhood (when given the subspace topology), is also T1. Similarly, a space that is locally R0 is also R0. In...
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  • begins by finding a strict linear subspace of interest, and endowing it with a topology different from the subspace topology. For 0 < p < ∞ , {\displaystyle...
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  • topology is the coarsest topology on S that makes f continuous. If f is injective, this topology is canonically identified with the subspace topology...
    63 KB (9,324 words) - 15:49, 8 July 2025
  • Meagre set (redirect from Meagre subspace)
    A} can also be called a meagre subspace of X {\displaystyle X} , meaning a meagre space when given the subspace topology. Importantly, this is not the...
    18 KB (2,925 words) - 18:34, 17 June 2025
  • In mathematics, weak topology is an alternative term for certain initial topologies, often on topological vector spaces or spaces of linear operators,...
    22 KB (3,109 words) - 05:13, 5 June 2025