Geodesic
Left-right α-Fredholm and α-Weyl operators with application to the weighted spectrum
Filomat, Tome 36 (2022) no. 9, p. 2939

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DOI

The purpose of this paper is to introduce Fredholm operator, α-Fredholm operator and Weyl operator. Moreover, we introduce basic properties and application to operator matrix.
DOI : 10.2298/FIL2209939M
Classification : 47A53
Keywords: Fredholm operators, α−Fredholm operator, Weyl operator 
Rim Messaoud; Boulbaba Ghanmi; Saifeddine Ghnimi; Amira Missaoui. Left-right α-Fredholm and α-Weyl operators with application to the weighted spectrum. Filomat, Tome 36 (2022) no. 9, p. 2939 . doi: 10.2298/FIL2209939M
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     author = {Rim Messaoud and Boulbaba Ghanmi and Saifeddine Ghnimi and Amira Missaoui},
     title = {Left-right {\ensuremath{\alpha}-Fredholm} and {\ensuremath{\alpha}-Weyl} operators with application to the weighted spectrum},
     journal = {Filomat},
     pages = {2939 },
     year = {2022},
     volume = {36},
     number = {9},
     doi = {10.2298/FIL2209939M},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.2298/FIL2209939M/}
}
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