theorem
LiebAndoTrace.instNonnegSpectrumClassRealMulOppositeL
{ℋ : Type u}
[NormedAddCommGroup ℋ]
[InnerProductSpace ℂ ℋ]
[CompleteSpace ℋ]
:
instance
LiebAndoTrace.instCFCRealSelfAdjointMop
{ℋ : Type u}
[NormedAddCommGroup ℋ]
[InnerProductSpace ℂ ℋ]
[CompleteSpace ℋ]
:
noncomputable def
LiebAndoTrace.traceRe
{ℋ : Type u}
[NormedAddCommGroup ℋ]
[InnerProductSpace ℂ ℋ]
(T : LownerHeinzTheorem.L ℋ)
:
The real part of the finite-dimensional trace on bounded operators.
Equations
- LiebAndoTrace.traceRe T = ((LinearMap.trace ℂ ℋ) ↑T).re
Instances For
noncomputable def
LiebAndoTrace.liebTraceMap
{ℋ : Type u}
[NormedAddCommGroup ℋ]
[InnerProductSpace ℂ ℋ]
[CompleteSpace ℋ]
(s : ℝ)
(K A B : LownerHeinzTheorem.L ℋ)
:
Trace functional appearing in Lieb's concavity theorem.
Equations
- LiebAndoTrace.liebTraceMap s K A B = LiebAndoTrace.traceRe (A ^ s * star K * B ^ (1 - s) * K)
Instances For
noncomputable def
LiebAndoTrace.liebExtensionTraceMap
{ℋ : Type u}
[NormedAddCommGroup ℋ]
[InnerProductSpace ℂ ℋ]
[CompleteSpace ℋ]
(q p : ℝ)
(K A B : LownerHeinzTheorem.L ℋ)
:
Trace functional appearing in Lieb's extension theorem.
Equations
- LiebAndoTrace.liebExtensionTraceMap q p K A B = LiebAndoTrace.traceRe (A ^ q * star K * B ^ p * K)
Instances For
noncomputable def
LiebAndoTrace.liebCorollaryTraceMap
{ℋ : Type u}
[NormedAddCommGroup ℋ]
[InnerProductSpace ℂ ℋ]
[CompleteSpace ℋ]
(q r : ℝ)
(K A B : LownerHeinzTheorem.L ℋ)
:
Trace functional appearing in Corollary 1.3.
Equations
- LiebAndoTrace.liebCorollaryTraceMap q r K A B = LiebAndoTrace.traceRe (A ^ q * star K * B ^ (1 - r) * K)
Instances For
noncomputable def
LiebAndoTrace.andoTraceMap
{ℋ : Type u}
[NormedAddCommGroup ℋ]
[InnerProductSpace ℂ ℋ]
[CompleteSpace ℋ]
(q r : ℝ)
(K A B : LownerHeinzTheorem.L ℋ)
:
Trace functional appearing in Ando's convexity theorem.
Equations
- LiebAndoTrace.andoTraceMap q r K A B = LiebAndoTrace.traceRe (A ^ q * star K * B ^ (-r) * K)
Instances For
theorem
LiebAndoTrace.pdSet_convexCombo
{ℋ : Type u}
[NormedAddCommGroup ℋ]
[InnerProductSpace ℂ ℋ]
[CompleteSpace ℋ]
[Nontrivial ℋ]
{A B : LownerHeinzTheorem.L ℋ}
{t : ℝ}
(hA : A ∈ GeneralizedPerspectiveFunction.pdSet)
(hB : B ∈ GeneralizedPerspectiveFunction.pdSet)
(ht0 : 0 ≤ t)
(ht1 : t ≤ 1)
:
Convex combinations preserve pdSet (strict positivity).
theorem
LiebAndoTrace.liebTrace_jointlyConcaveOn_pdSet
{ℋ : Type u}
[NormedAddCommGroup ℋ]
[InnerProductSpace ℂ ℋ]
[CompleteSpace ℋ]
[FiniteDimensional ℂ ℋ]
[Nontrivial ℋ]
{s : ℝ}
(hs0 : 0 < s)
(hs1 : s < 1)
(K : LownerHeinzTheorem.L ℋ)
:
theorem
LiebAndoTrace.liebTrace_jointlyConvexOn_pdSet
{ℋ : Type u}
[NormedAddCommGroup ℋ]
[InnerProductSpace ℂ ℋ]
[CompleteSpace ℋ]
[FiniteDimensional ℂ ℋ]
[Nontrivial ℋ]
{s : ℝ}
(hs1 : 1 ≤ s)
(hs2 : s ≤ 2)
(K : LownerHeinzTheorem.L ℋ)
:
theorem
LiebAndoTrace.liebExtensionTrace_jointlyConcaveOn_pdSet
{ℋ : Type u}
[NormedAddCommGroup ℋ]
[InnerProductSpace ℂ ℋ]
[CompleteSpace ℋ]
[FiniteDimensional ℂ ℋ]
[Nontrivial ℋ]
{p q : ℝ}
(hp : 0 < p)
(hq : 0 < q)
(hpq : p + q ≤ 1)
(K : LownerHeinzTheorem.L ℋ)
:
theorem
LiebAndoTrace.andoTrace_jointlyConvexOn_pdSet
{ℋ : Type u}
[NormedAddCommGroup ℋ]
[InnerProductSpace ℂ ℋ]
[CompleteSpace ℋ]
[FiniteDimensional ℂ ℋ]
[Nontrivial ℋ]
{q r : ℝ}
(hq1 : 1 ≤ q)
(hq2 : q ≤ 2)
(hr0 : 0 ≤ r)
(hr1 : r ≤ 1)
(hqr : 1 ≤ q - r)
(K : LownerHeinzTheorem.L ℋ)
:
theorem
LiebAndoTrace.liebCorollaryTrace_jointlyConvexOn_pdSet
{ℋ : Type u}
[NormedAddCommGroup ℋ]
[InnerProductSpace ℂ ℋ]
[CompleteSpace ℋ]
[FiniteDimensional ℂ ℋ]
[Nontrivial ℋ]
{q r : ℝ}
(hr1 : 1 < r)
(hrq : r ≤ q)
(hq2 : q ≤ 2)
(K : LownerHeinzTheorem.L ℋ)
: