Geodesic
Generalized Schechter essential spectrum of the sum of two bounded operators involving measure of non-almost weak noncompactness
Filomat, Tome 37 (2023) no. 30, p. 10289

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DOI

In the present paper we introduce a new concept of measuring, called the measure of non-almost weak noncompactness. We use this measure to characterize the almost weakly compact operators and to investigate the generalized Schechter essential spectrum of the sum of two bounded linear operators.
DOI : 10.2298/FIL2330289A
Classification : 47A53, 47A10, 47A55
Keywords: Almost weakly compact operator, Generalized Fredholm operator, Generalized essential spectrum 
Rabeb Aydi; Bilel Krichen. Generalized Schechter essential spectrum of the sum of two bounded operators involving measure of non-almost weak noncompactness. Filomat, Tome 37 (2023) no. 30, p. 10289 . doi: 10.2298/FIL2330289A
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     title = {Generalized {Schechter} essential spectrum of the sum of two bounded operators involving measure of non-almost weak noncompactness},
     journal = {Filomat},
     pages = {10289 },
     year = {2023},
     volume = {37},
     number = {30},
     doi = {10.2298/FIL2330289A},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.2298/FIL2330289A/}
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