document.write("«&nbsp;<a href='/news/view?id=66414'>A Cyberattack 'the World Isn’t Ready For'</a>");document.write(" | ");document.write("<a href='/news/view?id=66416'>A Nekhoroshev type theorem for the nonlinear Klein-Gordon equation with potential. (arXiv:1705.03105v2 [math.AP] UPDATED)</a>&nbsp;»");