32 citations · 84 across the 19 of their papers we have counts for
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math.FA2024
Complete characterization of symmetric Kubo-Ando operator means satisfying Molnár's weak associativity
Yury Grabovsky, Graeme W. Milton, Aaron Welters
We provide a complete characterization of a subclass of weakly associative means of positive operators in the class of symmetric Kubo-Ando means. This class, which includes the geo…
math.FA2023
Matrix monotonicity and concavity of the principal pivot transform
Kenneth Beard, Aaron Welters
We prove the (generalized) principal pivot transform is matrix monotone, in the sense of the Löwner ordering, under minimal hypotheses. This improves on the recent results of J. E.…