document.write("« Monotonicity and rigidity of solutions to some elliptic systems with uniform limits. (arXiv:1704.06430v1 [math.AP])");document.write(" | ");document.write("Natural extensions of unimodal maps: prime ends of planar embeddings and semi-conjugacy to sphere homeomorphisms. (arXiv:1704.06624v1 [math.DS]) »");