document.write("«&nbsp;<a href='/news/view?id=81505'>Borel class and Cartan involution. (arXiv:1711.07443v2 [math.GT] UPDATED)</a>");document.write(" | ");document.write("<a href='/news/view?id=81507'>Brick polytopes, lattice quotients, and Hopf algebras. (arXiv:1505.07665v2 [math.CO] UPDATED)</a>&nbsp;»");