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Proceedings of the American Mathematical Society

ISSN 1088-6826(online) ISSN 0002-9939(print)

 

 

Subnormal shifts with operator-valued weights


Author: P. Ghatage
Journal: Proc. Amer. Math. Soc. 57 (1976), 107-108
DOI: https://doi.org/10.1090/S0002-9939-1976-0399931-7
MathSciNet review: 0399931
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Abstract | References | Additional Information

Abstract: A criterion for a shift with operator-valued weights to be subnormal is given. From this a different proof of a theorem of Berger and Sarason is deduced.


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Additional Information

DOI: https://doi.org/10.1090/S0002-9939-1976-0399931-7
Keywords: Shift, subnormal, normal extension, moment problem
Article copyright: © Copyright 1976 American Mathematical Society