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math.NT2025
A generalization of Ramanujan's sum over finite groups
Monu Kadyan, Priya, Sanjay Kumar Singh
Let be a finite group, and let . Define , where denotes the normal subgroup o…
math.CO2025
Gauss sum with principal multiplicative character
Priya Dhankhar, Sanjay Kumar Singh
Let be a finite ring with unity, be an additive character of , and \( χ_0 \) be the principal multiplicative character (, $χ_0(x) = 1 \qua…