Isomorphism theorems of polygroups.
Intuitionistic hyperideals of semihypergroups.
A note on exact sequences.
An introduction to the theory of -semilattices.
Enumeration of Varlet and Comer hypergroups.
Characterizations of sub-semihypergroups by various triangular norms
We investigate the structure and properties of -sub-semihypergroups, where is an arbitrary triangular norm on a given complete lattice . We study its structure under the direct product and with respect to the fundamental relation. In particular, we consider and , and investigate the connection between -sub-semihypergroups and the probability space.
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