ON EGOROV'S CONDITION OF PRINCIPAL TYPE

ON EGOROV'S CONDITION OF PRINCIPAL TYPE

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摘要 Let P（x,D） be a classical properly-supported pseudodifferential operator defined in an open subset Ω of Rn, and p0（x,ξ） be its principal symbol. With x∈Ω, Egorov gave the following condition of principal type:

作者黄玉民

机构地区 Department of Mathematics

出处《Chinese Science Bulletin》 SCIE EI CAS 1985年第8期1009-1012,共4页

关键词 PROPERLY SUBSET symbol NEIGHBORHOOD SOLVABILITY satis radial proportional INTEGER LOCALLY

分类号 O1 [理学—基础数学]

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Chinese Science Bulletin

1985年第8期

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ON EGOROV'S CONDITION OF PRINCIPAL TYPE

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