Geodesic
Intersections of Shifts of Multiplicative Subgroups
Matematičeskie zametki, Tome 100 (2016) no. 2, pp. 185-195.

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Using Stepanov's method, we obtain an upper bound for the cardinality of the intersection of additive shifts of several multiplicative subgroups of a finite field. The resulting inequality is applied to a question dealing with the additive decomposability of subgroups.
Keywords: multiplicative subgroup, finite field, Stepanov's method, sum of subgroups. 
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I. V. Vyugin; E. V. Solodkova; I. D. Shkredov. Intersections of Shifts of Multiplicative Subgroups. Matematičeskie zametki, Tome 100 (2016) no. 2, pp. 185-195. http://geodesic.mathdoc.fr/item/MZM_2016_100_2_a0/

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