document.write("«&nbsp;<a href='/news/view?id=150404'>DeepMind wants to teach AI to play a card game that’s harder than Go</a>");document.write(" | ");document.write("<a href='/news/view?id=150406'>Diophantine Equations Involving the Euler Totient Function. (arXiv:1902.01638v1 [math.NT])</a>&nbsp;»");