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Idempotent means on free binary systems do not exist. (arXiv:1807.05469v1 [math.CO])
来源于:arXiv
Free binary systems are shown to not admit idempotent means. This refutes a
conjecture of the author. It is also shown that the extension of Hindman's
theorem to nonassociative binary systems formulated and conjectured by the
author is false. 查看全文>>