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## Abstract

D. Gómez-Perez, A. Ostafe, A.P. Nicol-Las and D. Sadornil have recently shown that for almost all polynomials f ε Fq[X] over the finite field of q elements, where q is an odd prime power, their iterates eventually become reducible polynomials over Fq. Here we combine their method with some new ideas to derive finer results about the arithmetic structure of iterates of f. In particular, we prove that the nth iterate of f has a square-free divisor of degree of order at least n^{1+o(1)} as n →∞ (uniformly in q).

Original language | English |
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Pages (from-to) | 1123-1134 |

Number of pages | 12 |

Journal | Revista Matematica Iberoamericana |

Volume | 30 |

Issue number | 4 |

DOIs | |

Publication status | Published - 2014 |

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Dive into the research topics of 'On irreducible divisors of iterated polynomials'. Together they form a unique fingerprint.## Projects

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