Summary
Certain classes of integral operators between generalized Sobolev spaces are shown to form algebras, en lowed with an approximate functional calculus, having properties similar to those of pseudo-differential operators.
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This research was supported under National Science Foundation grant GP-12295 and was completed while the author was Visiting Professor at the University of Genoa under a grant from the Comitato Nazionale per la Matematica, Consiglio Nazionale Ricerche (C.N.R.), Italy.
Entrata in Redazione il 1 giugno 1970.
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Neri, U. Calderón algebras of smoothing operators. Annali di Matematica 87, 315–331 (1970). https://doi.org/10.1007/BF02411984
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DOI: https://doi.org/10.1007/BF02411984