3 papers
math.NT2020
Spectral halo for Hilbert modular forms
Rufei Ren, Bin Zhao
Let be a totally real field and be an odd prime which splits completely in . We prove that the eigenvariety associated to a definite quaternion algebra over satisfie…
math.DS2019
Primitive prime divisors in the critical orbits of one-parameter families of rational polynomials
Rufei Ren
For a rational polynomial and rational numbers , we put , and consider the Zsigmondy set associated to the sequence $\{f_c^n(u)-u\}_{…
math.NT2018
Iteration of Polynomials Over Finite Fields
Rufei Ren
For a polynomial with and , we prove that if and for , then $\#f^N(\mathbb{F}_…