Functional calculus for ra-isometries and related operators on Hilbert spaces and Banach spaces

Functional calculus for ra-isometries and related operators on Hilbert spaces and Banach spaces

We prove that if T is an m-isometry on a Hilbert space and b(z) is an inner function, then b(T) is also an m-isometry. This work is motivated by Bermudez, Mendoza and Martinon [13] where it was proved that if T is an (m, p)-isometry on a Banach space, then Tr is also an (m,p)-isometry for any posit...

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Elmentve itt :
Bibliográfiai részletek
Szerző: Gu Caixing
Dokumentumtípus: Cikk
Megjelent: Bolyai Institute, University of Szeged Szeged 2015
Sorozat:Acta scientiarum mathematicarum 81 No. 3-4
Kulcsszavak:Differenciálegyenlet
Tárgyszavak:
Természettudományok
Matematika
mtmt:http://dx.doi.org/10.14232/actasm-014-550-3
Online Access:http://acta.bibl.u-szeged.hu/36288

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