Stinespring's Theorem for Maps on Hilbert C*- Modules

Gupta, Shefali (2016) Stinespring's Theorem for Maps on Hilbert C*- Modules. Masters thesis, Indian Institute of Technology Hyderabad.

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Abstract

Stinespring's representation theorem is a fundamental theorem in the theory of completely positive maps. It is a structure theorem for completely positive maps from a C*- algebra into the C*- algebra of bounded operators on a Hilbert space. This theorem provides a representation for completely positive maps, showing that they are simple modifications of *- homomorphisms. One may consider it as a natural generalization of the well-known Gelfand-Naimark-Segal theorem for states on C*-algebras. Resently, a theorem which looks like Stinesprings theorem was presented by Mohammad B. Asadi in for a class of unital maps on Hilbert C*-modules. This result can also be proved by removing a techical condition of Asadis theorem. The assumption of unitality on maps under consideration can also be remove. This result looks even more like Stinesprings theorem.

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IITH Creators:
IITH CreatorsORCiD
Item Type: Thesis (Masters)
Uncontrolled Keywords: C*- Algebras, Spectral Theorem, TD511
Subjects: ?? sub3.8 ??
Divisions: Department of Mathematics
Depositing User: Library Staff
Date Deposited: 09 May 2016 06:22
Last Modified: 09 May 2016 06:22
URI: http://raiith.iith.ac.in/id/eprint/2327
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