2 papers
math.NT2026
The divisor function along sums of two biquadrates
Wing Hong Leung, Mayank Pandey
We establish power saving asymptotics for the sum of the divisor function along a binary quartic form, improving on work of Daniel. The proof involves an application of a recent tw…
math.NT2019
On the Weakly Prime-Additive Numbers with Length 4
Wing Hong Leung
In 1992, Erds and Hegyvri showed that for any prime p, there exist infinitely many length 3 weakly prime-additive numbers divisible by p. In 2018, Fang and Chen showed that f…