Weak topology

GPTKB entity

Statements (23)
Predicate Object
gptkbp:instanceOf gptkb:mathematical_concept
gptkbp:appliesTo gptkb:Topological_vector_spaces
gptkbp:basisFor Finite intersections of inverse images of open sets in ℂ or ℝ
gptkbp:category Mathematical topology
gptkbp:characterizedBy Pointwise convergence
gptkbp:contrastsWith Strong topology
gptkbp:definedIn Convergence of functionals
gptkbp:field gptkb:Topology
https://www.w3.org/2000/01/rdf-schema#label Weak topology
gptkbp:introduced gptkb:John_von_Neumann
gptkbp:notation σ(X, X*)
gptkbp:property Coarser than norm topology
Hausdorff if dual separates points
Not necessarily metrizable
gptkbp:relatedTo Weak-* topology
gptkbp:seeAlso Weak convergence
gptkbp:usedFor Dual spaces
gptkbp:usedIn gptkb:Banach_spaces
gptkb:Hilbert_spaces
Functional analysis
Locally convex spaces
gptkbp:bfsParent gptkb:CW_Complexes
gptkbp:bfsLayer 8