J. Aust. Math. Soc.  80 (2006), 149-158
$A_m$-permutation polynomials

Sangtae Jeong
  Department of Mathematics
  Inha University
  Incheon 402-751
  Korea
  stj@math.inha.ac.kr


Abstract
We introduce a class of polynomials which induce a permutation on the set of polynomials in one variable of degree less than m over a finite field. We call then $A_m$-permutation polynomials. We also give three criteria to characterize such polynomials.
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