Geodesic
Generalized Drazin-meromorphic pseudospectrum for multivalued linear relation
Filomat, Tome 37 (2023) no. 1, p. 193

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DOI

In this paperwe investigate the spectrum and the Drazin spectrum and their pseudo spectral analogues, for linear relations between Banach spaces and corresponding spectra, the generalized Drazin-meromorphic pseudospectrum. More specifically, the generalized Drazin-meromorphic pseudospectrum for a linear relations on a Banach space is studied. We also make several observations about the level set of the generalized Drazin-meromorphic pseudospectrum of linear relations. Furthermore, it is shown that pseudospectrum has no isolated points, has a finite number of connected components and each component contains an element from the generalized Drazin-meromorphic spectrum .
DOI : 10.2298/FIL2301193M
Classification : 15A09, 15A86. 65F40, 15A60, 65F15
Keywords: Linear relation, Pseudo spectrum, Drazin spectrum, Generalized Drazin spectrum, Generalized Drazin-meromorphic spectrum 
Kamel Mahfoudhi; Bilel Saadaoui; Vladimir Rakočević. Generalized Drazin-meromorphic pseudospectrum for multivalued linear relation. Filomat, Tome 37 (2023) no. 1, p. 193 . doi: 10.2298/FIL2301193M
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     title = {Generalized {Drazin-meromorphic} pseudospectrum for multivalued linear relation},
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     year = {2023},
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     doi = {10.2298/FIL2301193M},
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