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most citedExplicit Evaluation of Certain Exponential Sums of Quadratic Functions over , Odd

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math.CO2004

The Affinity of a Permutation of a Finite Vector Space

W. Edwin Clark, Xiang-dong Hou, Alec Mihailovs

For a permutation f of an n-dimensional vector space V over a finite field of order q we let k-affinity(f) denote the number of k-flats X of V such that f(X) is also a k-flat. By k…