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2 results on '"Almost avoidance"'

1. Almost avoiding permutations

Author

Brignall, Robert, Ekhad, Shalosh B., Smith, Rebecca, and Vatter, Vincent

Subjects
*PERMUTATIONS, *SET theory, *MATHEMATICAL analysis, *COMBINATORICS, *ALGEBRA
Abstract

Abstract: We investigate the notion of almost avoiding a permutation: almost avoids if one can remove a single entry from to obtain a -avoiding permutation. [Copyright &y& Elsevier]

Published
2009
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2. Almost avoiding permutations

Author

Vincent Vatter, Shalosh B. Ekhad, Robert Brignall, and Rebecca Smith

Subjects
Discrete mathematics, Mathematics::Combinatorics, Partial permutation, Bit-reversal permutation, Almost avoidance, Restricted permutation, Permutation pattern, Cyclic permutation, Theoretical Computer Science, Combinatorics, Derangement, Permutation, Permutation class, FOS: Mathematics, Mathematics - Combinatorics, Discrete Mathematics and Combinatorics, Combinatorics (math.CO), Computer Science::Databases, Mathematics
Abstract

We investigate the notion of almost avoiding a permutation: $\pi$ almost avoids $\beta$ if one can remove a single entry from $\pi$ to obtain a $\beta$-avoiding permutation.

Published
2009
Full Text
View/download PDF

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