Vol. 34, No. 1, 1970

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ISSN: 0030-8730
On certain Toeplitz operators in two variables

Stanley Joel Osher

Vol. 34 (1970), No. 1, 123–129
Abstract

The problem of inverting and/or factoring Weiner-Hopf operators in two variables is one of the basic unsolved problems in classical analysis. In this paper we shall consider operators which are a perturbation of a product of operators in one variable, the perturbation differing from such simple operators by an operator in one variable. The principal tools used are the spectral mapping theorem combined with the known results on operators in one variable.

Mathematical Subject Classification
Primary: 47.25
Milestones
Received: 9 June 1969
Published: 1 July 1970
Authors
Stanley Joel Osher
Department of Mathematics
University of California Los Angeles
520 Portola Plaza
Los Angeles CA 90095-1555
United States