210 citations · 530 across the 38 of their papers we have counts for
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math.FA2015★ 11 cited
Von Neumann's inequality for commuting weighted shifts
Michael Hartz
We show that every multivariable contractive weighted shift dilates to a tuple of commuting unitaries, and hence satisfies von Neumann's inequality. This answers a question of Lubi…
math.FA2015★ 43 cited
On the isomorphism problem for multiplier algebras of Nevanlinna-Pick spaces
Michael Hartz
We continue the investigation of the isomorphism problem for multiplier algebras of reproducing kernel Hilbert spaces with the complete Nevanlinna-Pick property. In contrast to pre…