On the Solvability of Systems of Equations Revisited

Abstract

In this paper, we introduce a new and direct approach to study the solvability of systems of equations generated by bilinear forms. More precisely, let B(·,·) be a non-degenerate bilinear form and E be a set in Fq2. We prove that if |E|?q5/3 then the number of triples (B(x, y), B(y, z), B(z, x)) with x,y,z?E is at least cq3 for some positive constant c. This significantly improves a result due to the fifth listed author (2009).

Department(s)

Mathematics

Document Type

Article

DOI

10.1007/s10013-025-00771-w

Keywords

Finite fields, Simplex, Solvability of systems, Triangles

Publication Date

1-1-2025

Journal Title

Vietnam Journal of Mathematics

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