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A Note on the Gelfand-Mazur Theorem

S. J. Bhatt, D. J. Karia, S. H. Kulkarni and M. E. Shimpi
Proceedings of the American Mathematical Society
Vol. 126, No. 10 (Oct., 1998), pp. 2999-3005
Stable URL: http://www.jstor.org/stable/119101
Page Count: 7
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
A Note on the Gelfand-Mazur Theorem
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Abstract

Three Gelfand-Mazur type theorems are proved. One of these provides a C*-property analogue of Zalar's recent generalizations of the Froelich-Ingelstam-Smiley Theorems concerning unital multiplication in Hilbert spaces; the second illustrates that the assumption in Kaplansky's version of the Gelfand-Mazur Theorem can be weakened in the presence of a C*-norm; whereas the third provides a real analogue of a result due to Srinivasan.

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