Compact operatorsconceptRelated → Operator spectrumRelated → Spectral theoremRelated → Dual spacesRelated → Vector spaces
Dual spacesconceptRelated → Hahn–Banach theoremRelated → Riesz representation in Hilbert spacesRelated → Normed spacesRelated → Compact operators
Normed spacesconceptRelated → Banach spacesRelated → Bounded linear operatorsRelated → Vector spacesRelated → Dual spacesLeads to → Banach spacesRequires → Vector spaces
Hilbert spacesconceptRelated → Banach spacesRelated → Bounded linear operatorsLeads to → Riesz representation in Hilbert spaces
Riesz representation in Hilbert spacesconceptRelated → Weak convergenceRelated → Dual spacesRequires → Hilbert spaces