Bulletin (New Series) of the American Mathematical Society

Existence of non-subnormal polynomially hyponormal operators

Raúl E. Curto and Mihai Putinar

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Bull. Amer. Math. Soc. (N.S.), Volume 25, Number 2 (1991), 373-378.

First available in Project Euclid: 5 July 2007

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Primary: 47B20: Subnormal operators, hyponormal operators, etc. 47A65: Structure theory 44A60: Moment problems
Secondary: 46A22: Theorems of Hahn-Banach type; extension and lifting of functionals and operators [See also 46M10] 52A07: Convex sets in topological vector spaces [See also 46A55]


Curto, Raúl E.; Putinar, Mihai. Existence of non-subnormal polynomially hyponormal operators. Bull. Amer. Math. Soc. (N.S.) 25 (1991), no. 2, 373--378. https://projecteuclid.org/euclid.bams/1183657185

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