On a limit point associated with the abc-conjecture
Squarefree values of polynomials all of whose coefficients are 0 and 1
On convergence of greedy approximations for the trigonometric system.
Some doubly exponential sums over ℤₘ
Character sums in complex half-planes
Let be a finite subset of an abelian group and let be a closed half-plane of the complex plane, containing zero. We show that (unless possesses a special, explicitly indicated structure) there exists a non-trivial Fourier coefficient of the indicator function of which belongs to . In other words, there exists a non-trivial character such that .
On the distribution of exponential sums.
On the smallest pseudopower
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