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Characterizations of Upward and Downward Sets in Semimodules by Using Topical Functions |
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| Authors: | H Barsam |
| Institution: | Department of Mathematics, Shahid Bahonar University of Kerman, Kerman, Iran |
| Abstract: | |
| Keywords: | Abstract concavity b-complete downward set elementary topical function extended valued function semifield semimodule topical function support set upward set |