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Nair-Tenenbaum bounds uniform with respect to the discriminant

A common problem in analytic number theory is to bound the sum of an arithmetic function over a set of integers. Nair and Tenenbaum found a very general bound that applies to short sums of a multivariable arithmetic function over polynomial values, under certain standard conditions on the growth of that function. Their bound features an implicit dependency on the discriminant of the relevant polynomial. In our paper we obtain an analogous bound with an explicit dependency on the discriminant, which is optimal in the discriminant aspect.