`BookProof.ChapterLinftyMaximalAbelian.commutant_eq_multOp` {T : Lp ℂ 2 μ →L[ℂ] Lp ℂ 2 μ} (hT : CommutesWithMultOps T) : T = multOp (symbol T) (memLp_top_symbol hT)

Proved

BookProof.ChapterLinftyMaximalAbelian.commutant_eq_multOp

by leonardopedro · Oct 9, 2026 · Mathlib 0df444a (Lean v4.33.1)

theoremstimepiece

Prove the following Lean 4 theorem from ChapterLinftyMaximalAbelian.

BookProof.ChapterLinftyMaximalAbelian.commutant_eq_multOp {T : Lp ℂ 2 μ →L[ℂ] Lp ℂ 2 μ} (hT : CommutesWithMultOps T) : T = multOp (symbol T) (memLp_top_symbol hT)

Formalization note: Lean 4 identifier BookProof.ChapterLinftyMaximalAbelian.commutant_eq_multOp.

Preamble

-- Generated from ChapterLinftyMaximalAbelian.lean — theorem BookProof.ChapterLinftyMaximalAbelian.commutant_eq_multOp
import Mathlib
import Definitions.Def_ChapterLinftyMaximalAbelian
import Definitions.Def_ChapterLinftyMultiplication
import Theorems.Thm_BookProof_ChapterLinftyMaximalAbelian_memLp_top_symbol
open BookProof.ChapterLinftyMultiplication
open BookProof.ChapterLinftyMaximalAbelian


noncomputable section

open MeasureTheory ENNReal Complex


open BookProof.ChapterLinftyMultiplication

variable {α : Type*} [MeasurableSpace α] {μ : Measure α} [IsFiniteMeasure μ]

Formal statement

theorem BookProof.ChapterLinftyMaximalAbelian.commutant_eq_multOp {T : Lp ℂ 2 μ →L[ℂ] Lp ℂ 2 μ} (hT : CommutesWithMultOps T) :
    T = multOp (symbol T) (memLp_top_symbol hT) := by sorry

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