53 citations · 145 across the 25 of their papers we have counts for
4 papers · 1 filter
Operator moment dilations as block operators
B. V. Rajarama Bhat, Anindya Ghatak, Santhosh Kumar Pamula
Let be a complex Hilbert space and let be a sequence of bounded linear operators on . Then a bounded operator on a Hilb…
Schoenberg Correspondence for -(Super)Positive Maps on Matrix Algebras
B. V. Rajarama Bhat, Purbayan Chakraborty, Uwe Franz
We prove a Schoenberg-type correspondence for non-unital semigroups which generalizes an analogous result for unital semigroup proved by Michael Schürmann. It characterizes the gen…
Two states
B. V. Rajarama Bhat, Mithun Mukherjee
D. Bures defined a metric on states of a -algebra and this concept has been generalized to unital completely positive maps , where $\mathcal…
Additive units of product system
B. V. Rajarama Bhat, Martin Lindsay, Mithun Mukherjee
We introduce the notion of additive units and roots of a unit in a spatial product system. The set of all roots of any unit forms a Hilbert space and its dimension is the same as t…