The essentiality of the spectrum of an almost-periodic pseudodifferential operator in Besicovitch space \(B^ 2(R^ n)\)

Publication date: 1982

Published in: Moscow University Mathematics Bulletin (Search for Journal in Brave)

Besicovitch space pseudo-differential operator space of all uniform almost periodic functions

Pseudodifferential operators as generalizations of partial differential operators (35S05) Sobolev spaces and other spaces of ``smooth functions, embedding theorems, trace theorems (46E35) Spectrum, resolvent (47A10) Integral, integro-differential, and pseudodifferential operators (47Gxx)

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