Constants in inequalities for mean values of some periodic arithmetic functions. (English. Russian original) Zbl 1304.11085

Ghiyasi, A. H.

Mosc. Univ. Math. Bull. 63, No. 6, 265-269 (2008); translation from Vest. Mosk. Univ. Mat. Mekh. 63, No. 6, 44-48 (2008).

Summary: Constants in estimates of short Gaussian sums and sums of products of Legendre symbols over sequences of natural numbers shifted by various numbers are refined.

MSC:

11L40	Estimates on character sums
11L07	Estimates on exponential sums

References:

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