科研之友
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摘要
The main purpose of this paper is to characterize norm-additive in modulus, not necessarily linear, maps defined between function algebras (not necessarily unital or uniformly closed). In fact, for function algebras A and B on locally compact Hausdorff spaces X and Y, respectively, we study surjections T, S : A -%26gt; B satisfying vertical bar vertical bar vertical bar Tf vertical bar + vertical bar Sg vertical bar vertical bar vertical bar(Y) = vertical bar vertical bar vertical bar f vertical bar + vertical bar g vertical bar vertical bar vertical bar(X) for all f, g is an element of A.
- 出版日期2014
