(V : G →L[ℂ] E) (X : E →L[ℂ] E) (hViso : ∀ x : G, ‖V x‖ = ‖x‖) (S : Set ℂ) (hconv : Convex ℝ S) (hS : numRange X ⊆ S) : convexHull ℝ (numRange (compress V X)) ⊆ S
ProvedBookProof.ChapterSirkSpectralGeometry.crouzeix_domain_convexHullsirkspectral-theorytimepiece
Lean 4 theorem BookProof.ChapterSirkSpectralGeometry.crouzeix_domain_convexHull (module BookProof.ChapterSirkSpectralGeometry), source chapter BookProof/ChapterChapterSirkSpectralGeometry.lean.
Preamble
-- Generated from ChapterSirkSpectralGeometry.lean — theorem BookProof.ChapterSirkSpectralGeometry.crouzeix_domain_convexHull
import Mathlib
import Definitions.Def_ChapterSirkSpectralGeometry
open BookProof.ChapterSirkSpectralGeometry
noncomputable section
open BookProof.ChapterH4 BookProof.ChapterH6 BookProof.ChapterH9
open BookProof.ChapterSirkEndToEnd BookProof.HashimotoShiftInvert BookProof.FarisLavine
variable {F : Type*} [NormedAddCommGroup F] [InnerProductSpace ℂ F] [CompleteSpace F]
{Dom : Submodule ℂ F}
variable {E : Type*} [NormedAddCommGroup E] [InnerProductSpace ℂ E] [CompleteSpace E]
{G : Type*} [NormedAddCommGroup G] [InnerProductSpace ℂ G] [CompleteSpace G]Formal statement
theorem BookProof.ChapterSirkSpectralGeometry.crouzeix_domain_convexHull (V : G →L[ℂ] E) (X : E →L[ℂ] E)
(hViso : ∀ x : G, ‖V x‖ = ‖x‖) (S : Set ℂ) (hconv : Convex ℝ S) (hS : numRange X ⊆ S) :
convexHull ℝ (numRange (compress V X)) ⊆ S := by sorrySource