document.write("«&nbsp;<a href='/news/view?id=137886'>Gluing semigroups and strongly indispensable free resolutions. (arXiv:1710.09298v2 [math.AC] UPDATED)</a>");document.write(" | ");document.write("<a href='/news/view?id=137888'>Google taking new steps to prevent malicious Chrome extensions</a>&nbsp;»");