4 papers
Restriction estimates with sifted integers
Tanmoy Bera, G. K. Viswanadham
Let be a subset of primes and for each prime , consider a subset of . We provide restriction estimates with…
The trigonometric polynomial on sums of two squares, an additive problem and generalisation
Olivier Ramare, GK Viswanadham
Let be the set of odd integers that are sums of two coprime squares. We prove that the trigonometric polynomial satisfies \[ \frac{S(α; N)}…
Bounded gaps between product of two primes in imaginary quadratic number fields
Pranendu Darbar, Anirban Mukhopadhyay, G. K. Viswanadham
We study the gaps between products of two primes in imaginary quadratic number fields using a combination of the methods of Goldston-Graham-Pintz-Yildirim \cite{GGPY}, and Maynard…
On the coefficients of symmetric power -functions
Jaban Meher, Karam Deo Shankhadhar, G. K. Viswanadham
We study the signs of the Fourier coefficients of a newform. Let be a normalized newform of weight for . Let be the th Fourier coefficient of . For a…