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2. List of permutation topics - Wikipedia

   en.wikipedia.org/wiki/List_of_permutation_topics

   Enumerations of specific permutation classes; Factorial. Falling factorial; Permutation matrix. Generalized permutation matrix; Inversion (discrete mathematics) Major index; Ménage problem; Permutation graph; Permutation pattern; Permutation polynomial; Permutohedron; Rencontres numbers; Robinson–Schensted correspondence; Sum of permutations ...

3. Steinhaus–Johnson–Trotter algorithm - Wikipedia

   en.wikipedia.org/wiki/Steinhaus–Johnson...

   The ! permutations of the numbers from 1 to may be placed in one-to-one correspondence with the ! numbers from 0 to ! by pairing each permutation with the sequence of numbers that count the number of positions in the permutation that are to the right of value and that contain a value less than (that is, the number of inversions for which is the ...

4. Combinations and permutations - Wikipedia

   en.wikipedia.org/wiki/Combinations_and_permutations

   Combinations and permutations in the mathematical sense are described in several articles. Described together, in-depth: Twelvefold way; Explained separately in a more accessible way: Combination; Permutation; For meanings outside of mathematics, please see both words’ disambiguation pages: Combination (disambiguation) Permutation ...

5. Category:Permutations - Wikipedia

   en.wikipedia.org/wiki/Category:Permutations

   This page was last edited on 8 February 2021, at 12:11 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.

6. Cycles and fixed points - Wikipedia

   en.wikipedia.org/wiki/Cycles_and_fixed_points

   The size n of the orbit is called the length of the corresponding cycle; when n = 1, the single element in the orbit is called a fixed point of the permutation. A permutation is determined by giving an expression for each of its cycles, and one notation for permutations consist of writing such expressions one after another in some order.

7. Permutation codes - Wikipedia

   en.wikipedia.org/wiki/Permutation_Codes

   The minimum distance of a permutation code is defined to be the minimum positive integer such that there exist ,, distinct, such that (,) =. One of the reasons why permutation codes are suitable for certain channels is that the alphabet symbols only appear once in each codeword, which for example makes the errors occurring in the context of ...