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Title:
CRITERION OF MAXIMAL PERIOD OF A TRINOMIAL OVER NONTRIVIAL GALOIS RING OF ODD CHARACTERISTIC
Authors: Vadim N. Tsypyschev, Julia S. Vinogradova
Abstract:In earlier eighties of XX century A.A.Nechaev has obtained the criterion of full period of a Galois polynomial over primary residue ring modulo power of 2. Also he has obtained necessary conditions of maximal period of the Galois polynomial over such ring in terms of coefficients of this polynomial. Further A.S.Kuzmin has obtained analogous results for the case of Galois polynomial over primary residue ring of odd characteristic . Later the first author of this article has carried the criterion of full period of the Galois polynomial over primary residue ring of odd characteristic obtained by A.S.Kuzmin to the case of Galois polynomial over nontrivial Galois ring of odd characteristic. Using this criterion as a basis we have obtained criterion calling attention to. This result is an example how to apply results of the previous work of V.N.Tsypyschev in order to construct polynomials of maximal period over nontrivial Galois ring of odd characteristic. During this it is assumed that period of polynomial modulo prime ideal is known and maximal .
ePrint: https://eprint.iacr.org/2015/926
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