1. Letter to Jon Keating on Hardy-Littlewood for Function Fields (2012) [Keating-Ltr.pdf]
2. Letter to Jon Keating on Variance on the Number of Prime Polynomials (2012) [Keating-Ltr1.pdf]
3. Comments on Nattalie Tamam's Paper (2013) [Tamam-Ltr.pdf]
4. Letter to Michael Rubinstein on Approximate Functional Equation for function field $L$-functions. (2013) [Rubinstein-Ltr.pdf] 5. Letter to Brian Conrey on Li's Criterion for Function Fields (2014) [Conrey-Ltr.pdf]