document.write("« A homotopy exact sequence for overconvergent isocrystals. (arXiv:1704.07574v1 [math.AG])");document.write(" | ");document.write("A lower bound on the 2-adic complexity of Ding-Helleseth generalized cyclotomic sequences of period $p^n$. (arXiv:1704.05544v2 [cs.IT] UPDATED) »");