document.write("«&nbsp;<a href='/news/view?id=81474'>Adjoining Roots and Rational Powers of Generators in PSL(2,\RR) and Discreteness. (arXiv:1705.03539v2 [math.GR] UPDATED)</a>");document.write(" | ");document.write("<a href='/news/view?id=81476'>After 37 years, Voyager 1 has fired up its trajectory thrusters</a>&nbsp;»");