On bounded functions with a finite number of negative squares |
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| Authors: | Zoltán Sasvári |
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| Affiliation: | (1) Sektion Mathematik, Technische Universität Dresden, Mommsenstrasse 13, DDR-8027 Dresden, German Democratic Republic |
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| Abstract: | In the case of a locally compact abelian groupG we give a characterization of bounded continuous functions onG which have a finite number of negative squares. We show that these functions can be regarded in a certain sense as a special case of positive definite functions. |
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