3 papers
math.OA2023
A minimal completion theorem and almost everywhere equivalence for Completely Positive maps
B. V. Rajarama Bhat, Arghya Chongdar
A problem of completing a linear map on C*-algebras to a completely positive map is analyzed. It is shown that whenever such a completion is feasible there exists a unique minimal…
quant-ph2023
Error Basis and Quantum Channel
B. V. Rajarama Bhat, Purbayan Chakraborty, Uwe Franz
The Weyl operators give a convenient basis of which is also orthonormal with respect to the Hilbert-Schmidt inner product. The properties of such a basis can be g…
math.FA2023
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…