The Lean 4 theorem `ymGhostHam_essentiallySelfAdjointOn_core` in the `ChapterYangMillsGhostSector` chapter of the timepiece formalization

import Definitions.Def_ChapterDirectSumEsa
import Definitions.Def_ChapterEsaClosureCore
import Definitions.Def_ChapterFarisLavine
import Definitions.Def_ChapterHermiteProductCore
import Definitions.Def_ChapterSirkTrotterKato
import Definitions.Def_ChapterStoneBridge
import Definitions.Def_ChapterYangMillsAbelianEsa
import Definitions.Def_ChapterYangMillsHermite
-- Generated from ChapterYangMillsGhostSector.lean — theorem BookProof.YangMillsGhost.ymGhostHam_essentiallySelfAdjointOn_core
import Mathlib
import Definitions.Def_ChapterYangMillsGhostSector
import Definitions.Def_ChapterYangMillsGhostSector
open BookProof.YangMillsGhost














noncomputable section

open BookProof.HermiteProductCore BookProof.FarisLavine BookProof.DirectSumEsa
open BookProof.YangMillsHermite BookProof.YangMillsAbelianEsa
open BookProof.StoneBridge BookProof.EsaClosure
open BookProof.ChapterStoneResolvent

variable {K : ℕ}

theorem BookProof.YangMillsGhost.ymGhostHam_essentiallySelfAdjointOn_core (ω : Fin K → ℝ) :
    EssentiallySelfAdjointOn (ghostCore K) (ymGhostHam 0 ω) := by sorry