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A note on semi-special permutations

Published online by Cambridge University Press:  18 May 2009

K. R. Yacoub
Faculty of Science, Alexandria University, Egypt
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In a recent paper [1], the theory of non-linear semi-special permutations has been developed. A method for describing such permutations, on a given range [n], is to be found in §§2, 3. This method consists in choosing a proper divisor s of n, determining all the semispecial permutations with principal number s, and then making stake all its possible values. In this way the totality of non-linear semi-special permutations on [n] may be obtained.

Research Article
Copyright © Glasgow Mathematical Journal Trust 1958



Yacoub, K. R., On semi-special permutations I, Proc. Glasgow Math. Assoc., 3 (1956), 1835.CrossRefGoogle Scholar
Yacoub, K. R., On semi-special permutations II. Semi-special permutations on [p α], Duke Math. J., 24 (1957), 455465.CrossRefGoogle Scholar