document.write("«&nbsp;<a href='/news/view?id=60091'>Examples in the entropy theory of countable group actions. (arXiv:1704.06349v1 [math.DS])</a>");document.write(" | ");document.write("<a href='/news/view?id=60093'>Exploring the bounds on the positive semidefinite rank. (arXiv:1704.06507v1 [cs.CC])</a>&nbsp;»");