THE NUMERICAL RANGE OF LINEAR OPERATORS SALAH MECHERI Abstract. In [27] J.P.Williams showed that an operator A ∈ B(H) is normaloid if and only if it is convexoid. It is known that the part if in J.P.William’s result - In Salah - Document - PDFSEARCH.IO

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	THE NUMERICAL RANGE OF LINEAR OPERATORS SALAH MECHERI Abstract. In [27] J.P.Williams showed that an operator A ∈ B(H) is normaloid if and only if it is convexoid. It is known that the part if in J.P.William’s result Add to Reading List Document Date: 2009-12-20 03:07:06 Open Document File Size: 151,93 KB Share Result on Facebook City New York / Springer-Verlag / / Company P. / Cambridge University Press / / / Facility Mathematics King Saud University / College of Science P.O.Box / University of Toronto / / IndustryTerm space operators / inner product / / Organization Mathematical Association of America / Cambridge University / University of Toronto / College of Science P.O.Box / Salah Mecheri Department / Cambridge Univ. / Mathematics King Saud University / / Person Marcel Dekker / SALAH MECHERI / / ProvinceOrState New York / / SocialTag Theoretical physics Hyponormal operator Spectrum Paranormal operator Banach algebra C*-algebra Hilbert space Normal operator Contraction Operator theory

THE NUMERICAL RANGE OF LINEAR OPERATORS SALAH MECHERI Abstract. In [27] J.P.Williams showed that an operator A ∈ B(H) is normaloid if and only if it is convexoid. It is known that the part if in J.P.William’s result Add to Reading List