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JOURNALS // Chebyshevskii Sbornik // Archive

Chebyshevskii Sb., 2025 Volume 26, Issue 1, Pages 88–98 (Mi cheb1517)

Estimates of trigonometric sums from solutions of quadratic congruences

I. Yu. Rebrova

Tula State Lev Tolstoy Pedagogical University (Tula)

Abstract: In 1963, relying on estimates of special trigonometric sums, Hawley first proved an asymptotic formula for the average number of divisors of a quadratic polynomial with a power-law reduction in the remainder term compared to the principal term. Later, these estimates were improved.
The paper proves new stronger results in this area of research in analytical number theory.

Keywords: trigonometric sums, quadratic congruences.

UDC: 517.5+519.213

Received: 14.12.2024
Accepted: 10.03.2025

DOI: 10.22405/2226-8383-2025-26-1-88-98



© Steklov Math. Inst. of RAS, 2026