theoretical computer science, a (classical) permutation pattern is a sub-permutation of a longer permutation. Any permutation may be written in one-line notation...
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Levi-Civita symbol List of permutation topics Major index Permutation category Permutation group Permutation pattern Permutation representation (symmetric...
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the mathematics of permutations and the study of shuffling playing cards, a riffle shuffle permutation is one of the permutations of a set of n {\displaystyle...
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Gilbreath shuffle (redirect from Gilbreath permutation)
Equivalently, in terms of permutation patterns, the Gilbreath permutations are the permutations that avoid the two patterns 132 and 312. A Gilbreath shuffle...
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Combinatorial class (section Permutation patterns)
empty set. In the study of permutation patterns, a combinatorial class of permutation classes, enumerated by permutation length, is called a Wilf class...
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Erdős–Szekeres theorem (category Permutation patterns)
of permutation patterns as stating that every permutation of length at least (r - 1)(s - 1) + 1 must contain either the pattern 12⋯r or the pattern s⋯21...
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In combinatorial mathematics, a partial permutation, or sequence without repetition, on a finite set S is a bijection between two specified subsets of...
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Permutation graph Permutation pattern Permutation polynomial Permutohedron Rencontres numbers Robinson–Schensted correspondence Sum of permutations:...
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mathematics, a generalized permutation matrix (or monomial matrix) is a matrix with the same nonzero pattern as a permutation matrix, i.e. there is exactly...
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In the study of permutation patterns, there has been considerable interest in enumerating specific permutation classes, especially those with relatively...
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permutations that do not contain the permutation patterns 231 or 312. That is, no three elements in the permutation (regardless of whether they are consecutive)...
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permutations and permutation patterns, a permutation class is a set C {\displaystyle C} of permutations for which every pattern within a permutation in...
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data structure. The stack-sortable permutations are exactly the permutations that do not contain the permutation pattern 231; they are counted by the Catalan...
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mathematics, a Baxter permutation is a permutation σ ∈ S n {\displaystyle \sigma \in S_{n}} which satisfies the following generalized pattern avoidance property:...
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sum of permutations are two operations to combine shorter permutations into longer ones. Given a permutation π of length m and the permutation σ of length...
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In the theory of permutation patterns, a skew-merged permutation is a permutation that can be partitioned into an increasing sequence and a decreasing...
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mathematics, a vexillary permutation is a permutation μ of the positive integers containing no subpermutation isomorphic to the permutation (2143); in other words...
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Superpermutation (category Permutations)
= 7 is still 5884. Superpattern, a permutation that contains each permutation of n symbols as a permutation pattern De Bruijn sequence, a similar problem...
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Affine symmetric group (redirect from Affine permutation)
group S n {\displaystyle S_{n}} , a permutation is fully commutative if and only if it avoids the permutation pattern 321, that is, if and only if its one-line...
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are called order types. Permutation pattern, a permutation that is order-isomorphic to a subsequence of another permutation Bloch (2011); Ciesielski...
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Superpattern (redirect from Super-pattern)
study of permutations and permutation patterns, a superpattern or universal permutation is a permutation that contains all of the patterns of a given...
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Circle, and an expert in the combinatorial enumeration of permutations with forbidden patterns. Stankova was born in Ruse, Bulgaria. She began attending...
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Cn is the number of permutations of {1, ..., n} that avoid the permutation pattern 123 (or, alternatively, any of the other patterns of length 3); that...
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the forbidden permutation patterns 2413 and 3142; they are also the permutations whose permutation graphs are cographs and the permutations that realize...
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pattern became the most popular and persistent of them, and in various permutations has remained in production to the present day. Characteristically the...
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Wilf equivalence (category Permutation patterns)
the study of permutations and permutation patterns, Wilf equivalence is an equivalence relation on permutation classes. Two permutation classes are Wilf...
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Changsoo; Lee, Sang Wook; Park, Rae-Hong (2012). "Colour-stripe permutation pattern for rapid structured-light range imaging". Optics Communications...
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Heap's algorithm (redirect from Heap's Permutation Generation Algorithm)
possible permutations of n objects. It was first proposed by B. R. Heap in 1963. The algorithm minimizes movement: it generates each permutation from the...
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In combinatorial mathematics, a Stirling permutation of order k is a permutation of the multiset 1, 1, 2, 2, ..., k, k (with two copies of each value...
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Transposition cipher (redirect from Permutation cipher)
In cryptography, a transposition cipher (also known as a permutation cipher) is a method of encryption which scrambles the positions of characters (transposition)...
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