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  1. Life history of the steentjie <em>Spondyliosoma emarginatum</em> (Cuvier 1830) in Langebaan Lagoon, South Africa

    Life history of the steentjie Spondyliosoma emarginatum (Cuvier 1830) in Langebaan Lagoon, South Africa

    Item type: Journal Article • Journal: African Journal of Marine Science • Authors: L Fairhurst CG Attwood MD Durholtz CL Moloney
    Morphometric measurements and fin spine and ray counts, external colouration, macroscopic gonad stage and diet were recorded for steentjie Spondyliosoma emarginatum (Pisces: Sparidae) collected from Langebaan Lagoon between August 2004 and September 2005. Sagittal otoliths were removed, and age estimates...
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  2. Berezin number inequalities for 2 × 2 operator matrices and applications

    Berezin number inequalities for 2 × 2 operator matrices and applications

    Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Messaoud Guesba --- El Oued University, Algeria Fuad Kittaneh --- The University of Jordan, Jordan
    In this paper, we present new bounds for the Berezin numbers of 2 × 2 operator matrices, which improve and generalize the existing bounds. Some other related results are also presented.
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