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arXiv 1209.4061cs.FLmath.CO
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二元等式集由两个词生成

Binary equality sets are generated by two words

Štěpán Holub

摘要:

我们证明了两个非周期二元态射的等式语言最多由两个词生成。如果它的秩是2,则生成器以不同的字母开始(和结束)。这特别意味着任何二进制语言都有一个基数最多为2的测试集。

英文摘要:

We show that the equality language of two non-periodic binary morphisms is generated by at most two words. If its rank is two, then the generators start (and end) with different letters. This in particular implies that any binary language has a test set of cardinality at most two.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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