On the semi-sub-hypergroups of a hypergroup
In this paper we study some properties of the semi-sub-hypergroups and the closed sub-hypergroups of the hypergroups. We introduce the correlated elements and the fundamental elements and we connect the concept antipodal of the latter with Frattin's hypergroup. We also present Helly's Theo...
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| Main Author: | |
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| Format: | Article |
| Language: | English |
| Published: |
Wiley
1991-01-01
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| Series: | International Journal of Mathematics and Mathematical Sciences |
| Online Access: | http://dx.doi.org/10.1155/S0161171291000340 |
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| Summary: | In this paper we study some properties of the semi-sub-hypergroups and the
closed sub-hypergroups of the hypergroups. We introduce the correlated elements and
the fundamental elements and we connect the concept antipodal of the latter with
Frattin's hypergroup. We also present Helly's Theorem as a corollary of a more
general Theorem. |
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| ISSN: | 0161-1712 1687-0425 |