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Results tagged with matrix-analysis
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user 54487
The study of the properties of real and complex matrices that are more close to analysis and operator theory. For instance: the properties of positive definite matrices, matrix inequalities, perturbation analysis, matrix functions, inequalities between eigenvectors and singular values, majorization.
7
votes
2
answers
772
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An extension of the Golden-Thompson inequality
For three symmetric positive semidefinite matrices $A, B,C$, I am trying to figure out if the following inequality holds, at least in some cases:
$$ \operatorname{tr} \left( A e^{B+C} \right) \leq \op …
21
votes
2
answers
4k
views
Does the matrix exponential preserve the positive-semi-definite ordering?
Suppose $A$, $B$, are symmetric, real valued matrices and $B-A$ is positive-semidefinite, i.e. $A≼B$. Does that imply $e^A ≼ e^B$? Would love some intuition here.
I know for instance that $A≼cI \iff …
- 28.6k