A note on the parallel sum
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By using a variational principle we find a necessary and sufficient condition for an operator to majorise the parallel sum of two positive definite operators. This result is then used as a vehicle to create new operator inequalities involving the parallel sum.
Originalsprog | Engelsk |
---|---|
Tidsskrift | Linear Algebra and Its Applications |
Vol/bind | 636 |
Sider (fra-til) | 69-76 |
ISSN | 0024-3795 |
DOI | |
Status | Udgivet - 2022 |
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