L^2-space

GPTKB entity

Statements (23)
Predicate Object
gptkbp:instanceOf function space
gptkbp:alsoKnownAs space of square-integrable functions
gptkbp:basisFor orthonormal basis exists
gptkbp:complete true
gptkbp:contains equivalence classes of functions
gptkbp:containsElement measurable functions
gptkbp:definedIn measure space
gptkbp:functionsIdentifiedIf equal almost everywhere
gptkbp:generalizes gptkb:Euclidean_space
gptkbp:hasDual itself (self-dual)
gptkbp:hasSubgroup Lp-space
https://www.w3.org/2000/01/rdf-schema#label L^2-space
gptkbp:importantFor gptkb:signal_processing
functional analysis
quantum mechanics
gptkbp:innerProduct ∫f(x)g(x) dμ(x)
gptkbp:isHilbertSpace true
gptkbp:L^2-norm (∫|f|^2 dμ)^{1/2}
gptkbp:normDefinedBy gptkb:L^2-norm
gptkbp:notation gptkb:L^2(X,_μ)
L^2(ℝ)
gptkbp:bfsParent gptkb:L^2(X,_μ)
gptkbp:bfsLayer 7