Value sets of bivariate folding polynomials over finite fields
classification
🧮 math.NT
keywords
fieldsfinitesetsvalueachievealgebrasassociatedbivariate
read the original abstract
We find the cardinality of the value sets of polynomial maps associated with simple complex Lie algebras $B_2$ and $G_2$ over finite fields. We achieve this by using a characterization of their fixed points in terms of sums of roots of unity.
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