Estimates for eigenvalues of a class of fourth order degenerate elliptic operators with a singular potential

DOI10.1016/j.jmaa.2021.125907zbMath1481.35298OpenAlexW4200448946MaRDI QIDQ2069933

Yanyan Li

Publication date: 21 January 2022

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

Full work available at URL: https://doi.org/10.1016/j.jmaa.2021.125907

zbMATH Keywords

Fourier transformationsub-elliptic estimatesgeneralized Métivier condition, Yang-type upper bound estimatesGrushin-type vector fieldsLi-Yau-type lower bound estimates

Mathematics Subject Classification ID

Boundary value problems for higher-order elliptic equations (35J40) Estimates of eigenvalues in context of PDEs (35P15) Degenerate elliptic equations (35J70) A priori estimates in context of PDEs (35B45)

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