3 papers
math.NT2025
Representing an integer and its powers in two unrelated number systems
Divyum Sharma, L. Singhal
Let be a fixed quadratic irrational. Consider the Diophantine equation \[ y^a\ =\ q_{N_1} + \cdots + q_{N_K},\quad N_1 \geq \cdots \geq N_{K} \geq 0,\quad a, y \geq 2 \] where…
math.NT2019
Inhomogeneous Diophantine approximation over fields of formal power series
Yann Bugeaud, L. Singhal, Zhenliang Zhang
We prove a sharp analogue of Minkowski's inhomogeneous approximation theorem over fields of power series . Furthermore, we study the approximation to a give…
math.DS2018
Cylinder absolute games on solenoids
L. Singhal
Let be any affine surjective endomorphism of a solenoid over the circle which is not an infinite-order translation of . We prove the ex…