1. Anning, N., Erdös, P.: Integral distances. Bull. Am. Math. Soc. 51, 598–600 (1945)
2. Cherry, W.: Lecture notes on non-Archimedean function theory, Advanced school on $$p$$ p -adic analysis and applications, The Abdus Salam International Centre for Theoretical Physics, Trieste, Italy (2009). Preprint, available at arXiv:0909.4509
3. Dvir, Z.: On the size of Kakeya sets in finite fields. J. Am. Math. Soc. 22, 1093–1097 (2009)
4. Eisenträger, K., Shlapentokh, A.: Undecidability in function fields of positive characteristic. Int. Math. Res. Not. IMRN 21, 4051–4086 (2009)
5. Eisenträger, K., Shlapentokh, A.: Hilbert’s tenth problem over function fields of positive characteristic not containing the algebraic closure of a finite field. J. Eur. Math. Soc. (2015) (To appear)