On the approximation-solvability of equations involving 𝐴-proper and pseudo-𝐴-proper mappings

W. V. Petryshyn

Type: Article

Publication Date: 1975-01-01

Citations: 123

DOI: https://doi.org/10.1090/s0002-9904-1975-13728-1

Abstract

However, the following example from [116] shows that a sum of two y4-proper maps need not be ^4-proper.EXAMPLE Lib.Let H be a Hubert space with a complete orthonormal basis {<£,}, X n =[<f) l9 • • • , c/) n ], P n the orthogonal projection of H onto W. V. PETRYSHYN

Locations

Bulletin of the American Mathematical Society - View - PDF

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