Ruofan Li

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math.NT2026

Non-Wieferich property of prime ideals and a conjecture of Erdös

Ruofan Li, Jiuzhou Zhao

Let $K$ be a number field with ring of integers $O$ and $α \in O$ . For any prime ideal $p$ of $O$ , we obtain its higher $α$ -Wieferich propert…

math.NT2024

Multiplicative Diophantine approximation with restricted denominators

Bing Li, Ruofan Li, Yufeng Wu

Let ${a_{n}}_{n \in N}$ , ${b_{n}}_{n \in N}$ be two infinite subsets of positive integers and $ψ : N \to R_{> 0}$ be a positive function. We completely…