On the multiplicative order of elements in Wiedemann's towers of finite fields

R. Popovych

Abstract


We consider recursive binary finite field extensions $E_{i+1} =E_{i} (x_{i+1} )$, $i\ge -1$, defined by D. Wiedemann. The main object of the paper is to give some proper divisors of the Fermat numbers $N_{i} $ that are not equal to the multiplicative order $O(x_{i} )$.


Keywords


finite field, multiplicative order, Wiedemann's tower

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