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History and philosophy of mathematics, biographies of mathematicians, mathematics education, recreational mathematics, communication of mathematics.

1 vote

What are hypergroups and hyperrings good for?

The following references are useful: [1] http://arxiv.org/pdf/1008.0772.pdf [2] Bijan Davvaz, Vileta Leoreanu-Fotea, Hyperring theory and applications,International Academic Press, USA, 2007. [3] …
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