Upper-lower and left-right semi-Fredholmness

zbMath1350.47010MaRDI QIDQ2629124

Carlos S. Kubrusly, Bhaggy Duggal

Publication date: 20 July 2016

Published in: Bulletin of the Belgian Mathematical Society - Simon Stevin (Search for Journal in Brave)

Full work available at URL: https://projecteuclid.org/euclid.bbms/1464710115

zbMATH Keywords

holesFredholm operatorsessential spectrumcomplementationpseudoholes

Mathematics Subject Classification ID

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

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