Relatively compact subspace, a subset whose closure is compact
Totally bounded set, a subset that can be covered by finitely many subsets of fixed size
Topics referred to by the same term
This disambiguation page lists articles associated with the title Precompact set. If an internal link led you here, you may wish to change the link to point directly to the intended article.
Precompactset may refer to: Relatively compact subspace, a subset whose closure is compact Totally bounded set, a subset that can be covered by finitely...
of the ambient space). The term precompact (or pre-compact) is sometimes used with the same meaning, but precompact is also used to mean relatively compact...
mathematics, a relatively compact subspace (or relatively compact subset, or precompact subset) Y of a topological space X is a subset whose closure is compact...
compact sets Lindelöf space Metacompact space Noetherian topological space Orthocompact space Paracompact space Quasi-compact morphism Precompactset - also...
In a Hausdorff locally convex TVS, the convex hull of a precompactset is again precompact. Consequently, in a complete Hausdorff locally convex space...
approximation property, if the identity map can be approximated, uniformly on precompactsets, by continuous linear maps of finite rank. For a locally convex space...
X'} has compact closure in the topology of uniform convergence on precompactsets. Furthermore, this topology on K {\displaystyle K} coincides with the...
asymptotically Schwarzschild in the following sense: Suppose that K is an open precompact subset of M such that there is a diffeomorphism Φ : ℝ3 − B1(0) → M − K...
pointwise convergence; (3) the topology of precompact convergence. By letting G {\displaystyle {\mathcal {G}}} be the set of all compact subsets of X , {\displaystyle...
metric uses the existence of a pre-compact open set around any point. In the infinite case, open sets are no longer pre-compact and so this statement...
probability measures on X {\displaystyle X} is tight if and only if it is precompact in the topology of weak convergence. Consider the real line R {\displaystyle...
})<\epsilon } . A metric space P {\displaystyle P} is conditionally compact (or precompact), if for any ϵ > 0 {\displaystyle \epsilon >0} there exists a finite ϵ...
continuous function on X is (weakly) almost periodic if its orbit is (weakly) precompact in the Banach space C ( X ) {\displaystyle C(X)} . In speech processing...
and totally bounded (for Hausdorff TVSs, a set being totally bounded is equivalent to it being precompact). But if the TVS is not Hausdorff then there...
nuclear. Every bounded subset of a nuclear space is precompact (recall that a set is precompact if its closure in the completion of the space is compact)...
The least such r is called the diameter of M. The space M is called precompact or totally bounded if for every r > 0 there is a finite cover of M by...
} The weak maximum principle, in this setting, says that for any open precompact subset M of the domain of u, the maximum of u on the closure of M is achieved...
c ( Ω ) {\displaystyle {\mathcal {O}}_{c}(\Omega )} as the set of all precompact open subsets of Ω {\displaystyle \Omega } with respect to the standard...
{F}}({\mathcal {U}})} converges to u {\displaystyle u} uniformly on every precompact subset of X . {\displaystyle X.} Cone-saturated Positive linear functional –...