on the category of geometric spaces and the category of (geometric) hypergroups

Authors

morteza jafarpour

seyed shahin mousavi

abstract

‎in this paper first we define the morphism between geometric spaces in two different types‎. ‎we construct two categories of $uu$ and $l$ from geometric spaces then investigate some properties of the two categories‎, ‎for instance $uu$ is topological‎. ‎the relation between hypergroups and geometric spaces is studied‎. ‎by constructing the category $qh$ of $h_{v}$-groups we answer the question that which construction of hyperstructures on the category of sets has free object in the sense of universal property‎. ‎at the end we define the category of geometric hypergroups and we study its relation with the category of hypergroup‎.

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Journal title:
bulletin of the iranian mathematical society

Publisher: iranian mathematical society (ims)

ISSN 1017-060X

volume 40

issue 3 2014

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