document.write("«&nbsp;<a href='/news/view?id=148946'>Characterizations of certain means of positive operators. (arXiv:1901.05504v1 [math.FA])</a>");document.write(" | ");document.write("<a href='/news/view?id=148948'>Co-Gorenstein algebras. (arXiv:1805.00274v2 [math.RT] UPDATED)</a>&nbsp;»");