On the Möbius function and topology of the permutation poset
A permutation is an ordering of the letters 1, . . . , n. A permutation σ occurs as a pattern in a permutation π if there is a subsequence of π whose letters appear in the same relative order of size as the letters of σ, such a subsequence is called an occurrence. The set of all permutations, ordere...
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University of Strathclyde
2015
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Online Access: | http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.668893 |