document.write("«&nbsp;<a href='/news/view?id=80134'>On weak rigidity and weakly mixing enveloping semigroups. (arXiv:1711.03169v1 [math.DS])</a>");document.write(" | ");document.write("<a href='/news/view?id=80136'>Optimality of the Johnson-Lindenstrauss Lemma. (arXiv:1609.02094v2 [cs.IT] UPDATED)</a>&nbsp;»");