Ascent and Essential Ascent Spectrum of Linear Relations
Abstract. In this paper, we study the class of unbounded generalized meromorphic operators GM(E, ?), where E is a finite subset of C, which generalizes the ...
A Characterization of Unbounded Generalized Meromorphic ...Abstract. In this paper, we study the stability of some essential B-spectra of closed linear operators on a Banach space X, under polynomially finite rank ... Jort N° 031/1994 - PIST.TN- institut préparatoire aux études d'ingénieurs de Sfax (IPEIS) ... applications de T.D de mathématiques, de physique et de chimie). E ... Descent and Essential Descent Spectrum of Linear RelationsAbstract: In this paper, we study the descent spectrum and the essential descent spectrum of linear relations everywhere defined on Banach spaces.
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