document.write("«&nbsp;<a href='/news/view?id=60106'>Fundamental bounds on MIMO antennas. (arXiv:1704.06600v1 [physics.class-ph])</a>");document.write(" | ");document.write("<a href='/news/view?id=60108'>Graph Invariants with Connections to the Feynman Period in $\phi^4$ Theory. (arXiv:1704.06350v1 [math.CO])</a>&nbsp;»");