Classification of fractional projective permutations over finite fields

Abstrakt

We classify fractional q-projective permutations of P-1(L) (resp. q-biprojective permutations of L x L) over any finite field L under PGL(2)(L)-equivalence (resp. GL(2)(L)-equivalence). (C) 2022 Elsevier Inc.

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Klíčová slova

• Projective polynomials
• Permutation polynomials