Similar to プランシュレルの定理

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Commutant lifting theorem

Kaplansky density theorem

Krein–Rutman theorem

Gelfand–Naimark theorem

Gelfand–Mazur theorem

Dieudonné's theorem

Sz.-Nagy's dilation theorem

Kantorovich theorem

Parseval's identity

Hahn–Banach theorem

Hille–Yosida theorem

Marcinkiewicz interpolation theorem

Riesz representation theorem

Lumer–Phillips theorem

Riemann–Lebesgue lemma

Einstein's constant

Artinian ring

Artin–Schreier theory

Artin reciprocity