Given two the following inequalities hold: For all

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Chapter3: Determinants
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NP 43. 

Given two symmetric (or Hermitian) nxn matrices A and B,
the following inequalities hold: For all i, j, k with 1 ≤ i, j, k ≤n:
1. If i+j=k+1, then
A(A) + A,(B) ≤ (A + B).
2. If i+j=k+n, then
AK(A + B) ≤ A (A) + λ₁(B).
Transcribed Image Text:Given two symmetric (or Hermitian) nxn matrices A and B, the following inequalities hold: For all i, j, k with 1 ≤ i, j, k ≤n: 1. If i+j=k+1, then A(A) + A,(B) ≤ (A + B). 2. If i+j=k+n, then AK(A + B) ≤ A (A) + λ₁(B).
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