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    On the Banach algebra numerical range 

    Kaubya, Francis; Agure, John Ogonji; Emenyu, John (Strathmore University, 2017)
    Let A denote a unital Banach algebra and SA denote its unit sphere. It was proved by F. F. Bonsalland J. Duncan that when the Banach algebra is unital, the algebra numerical rangeis identical to a subset of itself. Basing ...
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    On the Banach algebra numerical range 

    Kaubya, Francis (Strathmore University, 2017)
    Let A denote a unital Banach algebra and SA denote its unit sphere. It was proved by F. F. Bonsall and J. Duncan that when the Banach algebra is unital, the algebra numerical range is identical to a subset of itself. Basing ...
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    On joint essential maximal numerical ranges 

    Omoke, Priscah Mogotu (Strathmore University, 2017)
    The study of numerical range of an operator has been an area of intense research. The motivation for the development arose from the classical theory of quadratic forms. It forms a very important aspect in functional analysis, ...

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    AuthorKaubya, Francis (2)Agure, John Ogonji (1)Emenyu, John (1)Omoke, Priscah Mogotu (1)Subject
    Numerical range (3)
    Banach algebra (2)Convergence (1)Convexity (1)Joint essential maximal numerical range (1)Joint maximal numerical range (1)... View MoreDate Issued2017 (3)Has File(s)
    Yes (3)

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