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.
Original languageEnglish
JournalLinear Algebra and Its Applications
Volume636
Pages (from-to)69-76
ISSN0024-3795
DOIs
Publication statusPublished - 2022

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