document.write("«&nbsp;<a href='/news/view?id=115827'>Atoms for signed permutations. (arXiv:1802.09805v3 [math.CO] UPDATED)</a>");document.write(" | ");document.write("<a href='/news/view?id=115829'>Bautin bifurcation in a minimal model of immunoediting. (arXiv:1807.00953v1 [math.DS])</a>&nbsp;»");