A construction of approximate positive parts of essentially selfadjoint pseudo-differential operators

DOI10.1002/CPA.3160370107zbMath0522.35093OpenAlexW2138506302MaRDI QIDQ3672408

Daisuke Fujiwara

Publication date: 1984

Published in: Communications on Pure and Applied Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1002/cpa.3160370107

zbMATH Keywords

constructionapproximate positive partsessentially selfadjoint pseudo- differential operatorsmicro-localization

Mathematics Subject Classification ID

Pseudodifferential operators as generalizations of partial differential operators (35S05) Linear symmetric and selfadjoint operators (unbounded) (47B25)

Related Items (4)

SAK principle for a class of Grushin-type operators ⋮ Fefferman's SAK principle and a priori estimates for second order operators ⋮ A priori estimates for second order operators with symplectic characteristic manifold ⋮ On the Problem of Positivity of Pseudodifferential Systems

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