proposition A.261 Spectral theorem for a unitary operator

open in the book · appendices/A-long-proofs.tex:12963 · p. 2918

Rests on

depends_on proposition A.246 Bounded Borel functional calculus ¶
- depends_on proposition A.243 Continuous functional calculus ¶
  - depends_on proposition A.241 The polynomial calculus is isometric ¶
    - depends_on lemma A.240 Spectral mapping for polynomials ¶
      - depends_on definition 12.49 Resolvent set; spectrum ¶
      - depends_on proposition 12.37 $\mathcal{B}(\mathcal{H})$ is a Banach algebra ¶
      - proves proof app:A-long-proofs@proof-146 ¶
    - depends_on lemma A.239 The norm of a self-adjoint operator lies in its spectrum ¶
      - depends_on definition 12.49 Resolvent set; spectrum ¶ ↺
      - depends_on proposition 12.52 Neumann series; the spectrum is bounded ¶
      - depends_on proposition 12.43 Norm of a self-adjoint operator ¶
      - proves proof app:A-long-proofs@proof-145 ¶
    - depends_on proposition 12.39 Algebra of the adjoint; the $C^{\ast}$ identity ¶
      - depends_on proposition 12.37 $\mathcal{B}(\mathcal{H})$ is a Banach algebra ¶ ↺
      - depends_on theorem 12.38 Existence and uniqueness of the adjoint ¶
      - proves proof ch:10-hilbert-spaces@proof-21 ¶
    - proves proof app:A-long-proofs@proof-147 ¶
  - depends_on proposition 12.61 Uniqueness of the continuous functional calculus ¶
    - depends_on definition 12.60 Functional calculus ¶
      - depends_on definition 12.58 Projection-valued measure ¶
      - depends_on theorem 12.59 Spectral theorem for a bounded self-adjoint operator ¶
    - depends_on proposition 12.37 $\mathcal{B}(\mathcal{H})$ is a Banach algebra ¶ ↺
    - proves proof ch:10-hilbert-spaces@proof-32 ¶
  - depends_on theorem A.242 Stone–Weierstrass; quoted ¶
    - depends_on definition 6.9 Compact set ¶
      - depends_on definition 6.5 Open cover ¶
  - proves proof app:A-long-proofs@proof-148 ¶
- depends_on proposition A.245 The measures $\mu_{x,y}$ ¶
  - depends_on proposition A.243 Continuous functional calculus ¶ ↺
  - depends_on theorem A.244 Riesz–Markov; quoted ¶
    - depends_on definition 6.9 Compact set ¶ ↺
  - depends_on theorem 12.46 Riesz representation ¶
    - depends_on definition 12.45 Continuous linear functional; the dual ¶
      - depends_on definition 12.35 Bounded operator; operator norm ¶
      - depends_on definition 5.46 Functional ¶
    - depends_on theorem 12.18 Projection theorem ¶
      - depends_on proposition 12.17 The complement is always a closed subspace ¶
      - depends_on theorem 12.14 Closest point in a closed convex set ¶
      - proves proof ch:10-hilbert-spaces@proof-9 ¶
    - proves proof ch:10-hilbert-spaces@proof-24 ¶
  - proves proof app:A-long-proofs@proof-149 ¶
- depends_on theorem 12.46 Riesz representation ¶ ↺
- proves proof app:A-long-proofs@proof-150 ¶
depends_on proposition 12.52 Neumann series; the spectrum is bounded ¶ ↺
depends_on theorem A.238 Spectral theorem, both forms ¶
- depends_on definition 12.58 Projection-valued measure ¶ ↺
- depends_on proposition 12.43 Norm of a self-adjoint operator ¶ ↺
- depends_on theorem 12.55 The spectrum of a self-adjoint operator is real ¶
  - depends_on corollary 12.19 Double complement; the density criterion ¶
    - depends_on proposition 12.17 The complement is always a closed subspace ¶ ↺
    - depends_on theorem 12.18 Projection theorem ¶ ↺
    - proves proof ch:10-hilbert-spaces@proof-10 ¶
  - depends_on definition 12.41 The operator classes ¶
    - depends_on definition 6.9 Compact set ¶ ↺
    - depends_on proposition 12.21 Characterization of orthogonal projections ¶
      - depends_on definition 12.20 Orthogonal projection operator ¶
      - depends_on theorem 12.18 Projection theorem ¶ ↺
      - proves proof ch:10-hilbert-spaces@proof-11 ¶
    - depends_on theorem 12.38 Existence and uniqueness of the adjoint ¶ ↺
  - depends_on theorem 12.54 The spectrum is compact and non-empty ¶
    - depends_on proposition 12.52 Neumann series; the spectrum is bounded ¶ ↺
    - depends_on proposition 12.53 The resolvent set is open, the resolvent analytic ¶
      - depends_on definition 8.5 Complex derivative ¶
      - depends_on proposition 12.52 Neumann series; the spectrum is bounded ¶ ↺
      - proves proof ch:10-hilbert-spaces@proof-28 ¶
    - depends_on theorem 8.18 Liouville ¶
      - depends_on proposition 8.10 Fundamental theorem for contours ¶
      - depends_on theorem 8.17 Derivatives of all orders; Cauchy estimates ¶
      - proves proof ch:06-complex-analysis@proof-12 ¶
    - proves proof ch:10-hilbert-spaces@proof-29 ¶
  - proves proof ch:10-hilbert-spaces@proof-30 ¶
- proves proof app:A-long-proofs@proof-151 ¶
- proves proof app:A-long-proofs@proof-153 ¶
- proves proof app:A-long-proofs@proof-156 ¶
proves proof app:A-long-proofs@proof-164 ¶

Supports

depends_on proposition A.262 Spectral theorem for an unbounded self-adjoint operator ¶
- depends_on proposition A.280 Direct-integral form of the spectral theorem ¶
  - depends_on proposition A.282 The fibre maps are continuous on $\Phi$ ¶

Neighborhood

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partly declared
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Edges

type	direction	node	provenance	where
`depends_on`	→	Bounded Borel functional calculus	declared	appendices/A-long-proofs.tex:12972
`depends_on`	→	Neumann series; the spectrum is bounded	declared	appendices/A-long-proofs.tex:12972
`depends_on`	→	Spectral theorem, both forms	declared	appendices/A-long-proofs.tex:12972
`depends_on`	←	Spectral theorem for an unbounded self-adjoint operator	declared	appendices/A-long-proofs.tex:13036
`proves`	←	app:A-long-proofs@proof-164	declared	appendices/A-long-proofs.tex:12976