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A Cycle Joining Construction of the Prefer-Max De Bruijn Sequence
arXiv - CS - Discrete Mathematics Pub Date : 2021-04-07 , DOI: arxiv-2104.02999 Gal Amram, Amir Rubin, Gera Weiss
arXiv - CS - Discrete Mathematics Pub Date : 2021-04-07 , DOI: arxiv-2104.02999 Gal Amram, Amir Rubin, Gera Weiss
We propose a novel construction for the well-known prefer-max De Bruijn
sequence, based on the cycle joining technique. We further show that the
construction implies known results from the literature in a straightforward
manner. First, it implies the correctness of the onion theorem, stating that,
effectively, the reverse of prefer-max is in fact an infinite De Bruijn
sequence. Second, it implies the correctness of recently discovered shift rules
for prefer-max, prefer-min, and their reversals. Lastly, it forms an
alternative proof for the seminal FKM-theorem.
中文翻译:
Prefer-Max De Bruijn序列的循环连接构造
基于循环连接技术,我们提出了一种新颖的构造,用于众所周知的prefer-max De Bruijn序列。我们进一步表明,该构造以直接的方式暗示了文献中的已知结果。首先,它暗示了洋葱定理的正确性,指出实际上,prefer-max的逆实际上是一个无限的De Bruijn序列。其次,它暗示了最近发现的偏好最大值,偏好最小值及其反转的移位规则的正确性。最后,它构成了开创性FKM定理的另一种证明。
更新日期:2021-04-08
中文翻译:
Prefer-Max De Bruijn序列的循环连接构造
基于循环连接技术,我们提出了一种新颖的构造,用于众所周知的prefer-max De Bruijn序列。我们进一步表明,该构造以直接的方式暗示了文献中的已知结果。首先,它暗示了洋葱定理的正确性,指出实际上,prefer-max的逆实际上是一个无限的De Bruijn序列。其次,它暗示了最近发现的偏好最大值,偏好最小值及其反转的移位规则的正确性。最后,它构成了开创性FKM定理的另一种证明。