Abstract

We use results on inclusions of free products and extensions of completely positive maps to determine the maximal C ∗ ^* -envelope for upper triangular 3 × 3 3 \times 3 matrices. We consider these same results in the context of larger upper triangular matrices and graph algebras associated to cycle graphs.

Talk to us

Join us for a 30 min session where you can share your feedback and ask us any queries you have

Schedule a call

Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.