Albert, M. H.; Atkinson, M. D. and Brignall, Robert
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The structure of the three pattern classes defined by the sets of forbidden permutations 2143,4321, 2143,4312 and 1324,4312 is determined using the machinery of monotone grid classes. This allows the permutations in these classes to be described in terms of simple diagrams and regular languages and, using this, the rational generating functions which enumerate these classes are determined.
|Item Type:||Journal Article|
|Copyright Holders:||2012 Michael Albert, Mike Atkinson and Robert Brignall|
|Extra Information:||34 pp.|
|Academic Unit/Department:||Mathematics, Computing and Technology > Mathematics and Statistics
Mathematics, Computing and Technology
|Depositing User:||Robert Brignall|
|Date Deposited:||20 Aug 2012 09:36|
|Last Modified:||24 Feb 2016 12:01|
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