Browsing by Author "Paul O Oleche, N Omolo-Ongati, John O Agure"
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Operators with slowly growing resolvents towards the spectrum
Paul O Oleche, N Omolo-Ongati, John O Agure (International Journal of Pure and Applied Mathematics, 2009-03)A closed densely defined operator H, on a Banach space X, whose spectrum is contained in R and satisfies