Essential ascent of closed operator and some decomposition theorems

zbMath1319.47010MaRDI QIDQ2517020

Zied Garbouj, Haïkel Skhiri

Publication date: 13 August 2015

Published in: Communications in Mathematical Analysis (Search for Journal in Brave)

Full work available at URL: https://projecteuclid.org/euclid.cma/1413810436

zbMATH Keywords

spectrumindexdescentsemi-Fredholm operatorsascentessential ascentessential descentclosed unbounded operatorsparacomplete space

Mathematics Subject Classification ID

Spectrum, resolvent (47A10) Perturbation theory of linear operators (47A55) (Semi-) Fredholm operators; index theories (47A53)

Related Items (5)

Abel ergodic theorems for strongly continuous cosine operators ⋮ On the essential minimum and essential surjectivity moduli of linear relations in Banach spaces ⋮ Semi-Fredholm and semi-Browder spectra for the \(\alpha\)-times integrated semigroups ⋮ Minimum modulus, perturbation for essential ascent and descent of a closed linear relation in Hilbert spaces ⋮ Spectral theory for strongly continuous cosine

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