Five discordant permutations
Five discordant permutations
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五种不和谐排列
DOI:
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发表时间:
1993
期刊:
影响因子:
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通讯作者:
Joseph M. Santmyer
中科院分区:
文献类型:
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作者:
Joseph M. Santmyer
A permutation π of1,2, …,π is5-discordant if π(i) ≠i, i + 1,i + 2, i + 3, i + 4 modn for 1 ≤i ≤n. A system of recurrences for computing the rook polynomials associated with5-discordant permutations is derived. This system, together with hit polynomials enable the5-discordant permutations to be enumerated.