Combinatorial Approaches and Conjectures for 2-Divisibility Problems Concerning Domino Tilings of Polyominoes

Combinatorial Approaches and Conjectures for 2-Divisibility Problems Concerning Domino Tilings of Polyominoes
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多米诺骨牌的二分性问题的组合方法和猜想

DOI:
10.37236/1314
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发表时间:
1997
期刊:
Electron. J. Comb.
影响因子:
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通讯作者:
L. Pachter
L. Pachter
中科院分区:
--
文献类型:
--
作者:
L. Pachter

文献摘要

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我们给出了第一个完整的组合证明,证明2n×2n正方形网格的多米诺骨牌的数量是2^n(2k + 1)^2,从而解决了John, Sachs和Zernitz提出的问题。这个证明很自然地引出了一些有趣的概括,并引出了一些新的猜想。
We give the first complete combinatorial proof of the fact that the number of domino tilings of the 2n×2n square grid is of the form 2^n(2k + 1)^2, thus settling a question raised by John, Sachs, and Zernitz. The proof lends itself naturally to some interesting generalizations, and leads to a number of new conjectures.