FUNDAMENTALNAYA
I PRIKLADNAYA MATEMATIKA

(FUNDAMENTAL AND APPLIED MATHEMATICS)

2010, VOLUME 16, NUMBER 6, PAGES 23-32

**Estimating the cardinality of a difference subset of the discrete
multi-torus $Z$**_{3}^{n}

E. P. Davletyarova

A. A. Zhukova

A. A. Yudin

Abstract

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In this paper, we obtain an upper estimate for the cardinality of
a subset of the discrete torus over a field of three
elements of which any four points do not form a nonsingular
parallelogram.

Location: http://mech.math.msu.su/~fpm/eng/k10/k106/k10603h.htm

Last modified: July 5, 2011