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math.NT2025
Burgess-type character sum estimates over generalized arithmetic progressions of rank
Ali Alsetri, Xuancheng Shao
We extend the classical Burgess estimates to character sums over proper generalized arithmetic progressions (GAPs) of rank in prime fields . The core of our proof…
math.NT2025
Density ternary Goldbach for primes in a fixed residue class
Ali Alsetri
We prove that if is a subset of those primes which are congruent to such that the relative density of in this residue class is larger than then…