Augmenting a Fredholm operator of zero index to achieve invertibility for elliptic boundary value problems

DOI10.1006/JMAA.1993.1198zbMath0802.35037OpenAlexW2036810935MaRDI QIDQ1260844

Goong Chen, Shun Hua Sun

Publication date: 5 September 1993

Published in: Journal of Mathematical Analysis and Applications (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1006/jmaa.1993.1198

zbMATH Keywords

Fredholm operatorelastostaticsGårding inequality

Mathematics Subject Classification ID

Boundary value problems for higher-order elliptic equations (35J40) (Semi-) Fredholm operators; index theories (47A53)

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