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A recursive construction of t‐wise uniform permutations
Authors:Hilary Finucane  Ron Peled  Yariv Yaari
Affiliation:1. Massachusetts Institute of Technology, Cambridge, MA;2. Tel Aviv University, Tel Aviv Israel;3. Weizmann Institute of Science, Rehovot Israel
Abstract:We present a recursive construction of a (2t + 1)‐wise uniform set of permutations on 2n objects using a urn:x-wiley::media:rsa20509:rsa20509-math-0001 combinatorial design, a t‐wise uniform set of permutations on n objects and a (2t + 1)‐wise uniform set of permutations on n objects. Using the complete design in this procedure gives a t‐wise uniform set of permutations on n objects whose size is at most t2n, the first non‐trivial construction of an infinite family of t‐wise uniform sets for urn:x-wiley::media:rsa20509:rsa20509-math-0002. If a non‐trivial design with suitable parameters is found, it will imply a corresponding improvement in the construction. © 2013 Wiley Periodicals, Inc. Random Struct. Alg., 46, 531–540, 2015
Keywords:t‐wise permutation  combinatorial design  recursive construction
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