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A Look At Biseparating Maps From An Algebraic Point Of View, Melvin Henriksen, Frank A. Smith
A Look At Biseparating Maps From An Algebraic Point Of View, Melvin Henriksen, Frank A. Smith
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In [ABN], Araujo, Beckenstein, and Narici add the capstone to a series of papers by several groups of authors by showing that if ρ is a biseparating map between two algebras of all real or complex-valued functions on realcompact spaces, then it is a continuous multiple of an isomorphism between these rings. Their proof uses relatively powerful analytic and topological techniques. In what follows, the extent to which such a result can be generalized to a wider class of algebras using algebraic techniques is investigated. We are unable, however to obtain the main result of [ABN] using these techniques.