OAI/Analysis/TraceCone/NormalWeight.lean

GitHub source file

11 declarations, 0 contain sorry, 0 declared as axioms

The tracial weight on the GNS weak closure

Finite-root actions recover the Hilbert norm. Strong-star density then extends the trace identity from the represented algebra to its weak closure.

  1. def OAI.TraceConeClassification.ExtendedTrace.finiteRootAction line 24

    Source documentation

    The positive contractive action of a finite trace square root.

    def finiteRootAction (e : τ.FiniteTraceContraction) : τ.TraceGNS →L[ℂ] τ.TraceGNS :=
    …
  2. lemma OAI.TraceConeClassification.ExtendedTrace.finiteRootAction_norm_le line 27
  3. lemma OAI.TraceConeClassification.ExtendedTrace.finiteRootAction_apply_norm_le line 33
  4. lemma OAI.TraceConeClassification.ExtendedTrace.finiteRootAction_on_lambda line 37
  5. lemma OAI.TraceConeClassification.ExtendedTrace.finiteRootAction_iSup_lambda line 51
  6. lemma OAI.TraceConeClassification.ExtendedTrace.finiteRootAction_detects_norm line 60

    Source documentation

    The finite-root actions detect the Hilbert norm by density and the finite trace identity.

    lemma finiteRootAction_detects_norm (ξ : τ.TraceGNS) (r : ℝ) (hr : 0 ≤ r)
        (h : ∀ e : τ.FiniteTraceContraction, ‖τ.finiteRootAction e ξ‖ ≤ r) : ‖ξ‖ ≤ r := by
    …
  7. lemma OAI.TraceConeClassification.ExtendedTrace.finiteRootAction_iSup_norm line 84
  8. lemma OAI.TraceConeClassification.ExtendedTrace.finiteRootAction_double_rep line 117
  9. lemma OAI.TraceConeClassification.ExtendedTrace.finiteRootAction_double line 132
  10. lemma OAI.TraceConeClassification.ExtendedTrace.traceNormalWeight_tracial line 156
  11. def OAI.TraceConeClassification.ExtendedTrace.normalTraceCandidate line 179

    Source documentation

    The tracial weight on the GNS weak operator closure.

    def normalTraceCandidate : ExtendedTrace τ.traceWeakClosure where
    …

    Mentions: OAI.TraceConeClassification.ExtendedTrace