Generalized weak demicompactness involving measure of non-strict-singularity

DOI10.1007/s13226-021-00055-2OpenAlexW3171063301MaRDI QIDQ2243084

Bilel Krichen, Imen Ferjani, Aref Jeribi

Publication date: 10 November 2021

Published in: Indian Journal of Pure \& Applied Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s13226-021-00055-2

zbMATH Keywords

essential spectrummatrix operatorstrictly singular operatorFredholm and semi-Fredholm operatorsgeneralized weakly demicompact operator

Mathematics Subject Classification ID

Spectrum, resolvent (47A10) (Semi-) Fredholm operators; index theories (47A53)

Cites Work

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