Leyla Isik

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20162020

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2 papers · 1 filter

math.CO2020

On the Index of Diffie-Hellman Mapping

Leyla Işık, Arne Winterhof

Let $γ$ be a generator of a cyclic group $G$ of order $n$ . The least index of a self-mapping $f$ of $G$ is the index of the largest subgroup $U$ of $G$ such that $f (x) x^{- r}$ is co…

math.CO2016

Complete mappings and Carlitz rank

Leyla Işık, Alev Topuzoğlu, Arne Winterhof

The well-known Chowla and Zassenhaus conjecture, proven by Cohen in 1990, states that for any $d \geq 2$ and any prime $p > (d^{2} - 3 d + 4)^{2}$ there is no complete mapping polynomial in $\m…