Operator Space Numerical Radius of $$2times 2$$ Block Matrices

Publications

Operator Space Numerical Radius of $$2times 2$$ Block Matrices

Author : Dr Pintu Bhunia

Year : 2022

Publisher : Springer Science and Business Media Deutschland GmbH

Source Title : Infosys Science Foundation Series in Mathematical Sciences

Document Type : Book chapter

Link

DOI

https://doi.org/10.1007/978-3-031-13670-2_7

Web

https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85144548521&origin=inward

Abstract

In this chapter, following [57], the notion of complete numerical radius norm is studied and it is shown that the complete numerical radius norm of a completely bounded homomorphism can be computed in terms of the completely bounded norm of the map.