Square roots of nonnegative systems and the sharp Garding inequality

DOI10.1016/0022-0396(77)90147-4zbMath0341.35073OpenAlexW2017363302MaRDI QIDQ1231615

Richard W. Beals

Publication date: 1977

Published in: Journal of Differential Equations (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/0022-0396(77)90147-4

Mathematics Subject Classification ID

Pseudodifferential operators as generalizations of partial differential operators (35S05) General theory of partial differential operators (47F05) A priori estimates in context of PDEs (35B45) Integral, integro-differential, and pseudodifferential operators (47Gxx)

Cites Work

• A general calculus of pseudodifferential operators
• Pseudo-differential operators and non-elliptic boundary problems
• Fourier integral operators. I
• Spatially inhomogeneous pseudodifferential operators, I
• Spatially inhomogeneous pseudodifferential operators, II
• On stability for difference schemes; a sharp form of gårding's inequality