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Operator monotonicity of logarithm
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Area of mathematics
Analysis
Real analysis
Calculus
Exponential function
Logarithm
Created
2026-09-24
Updated
2026-09-24
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For positive-definite
Hermitian operators
,
0
<
A
≤
B
⟹
lo
g
A
≤
lo
g
B
.
(1)
The same statement on supports follows by regularizing with
a
positive multiple of the identity and taking
a
limit
.
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(8)
Logarithm
Exponential function
Calculus
Real analysis
Analysis
Area of mathematics
Mathematics
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(2)
Entropy bound for a binary mixture
Past exam of the mathematics course of the University of Cambridge
/
2026
/
iii
/
Paper 323
/
4
/
b
/
Solution
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