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A fast algorithm for determining the minimal polynomial where of a sequence with period 2pn over GF (q)

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3 Author(s)
Shimin Wei ; Dept. of Comput. Sci. & Technique, Peking Univ., Beijing, China ; Guozhen Xiao ; Zhong Chen

A fast algorithm is presented for determining the linear complexity and the minimal polynomial of a sequence with period 2pn over GF (q), where p and q are odd prime, and q is a primitive root (mod p2). The algorithm uses the fact that in this case the factorization of x2p(n)-1 is especially simple.

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Information Theory, IEEE Transactions on  (Volume:48 ,  Issue: 10 )