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)");document.write(" | ");document.write("A non-varying phenomenon with an application to the wind-tree model. (arXiv:1704.07682v1 [math.DS]) »");