document.write("«&nbsp;<a href='/news/view?id=152226'>“Blockchain Week” gives us presidential candidates, parties, and signs of crypto spring</a>");document.write(" | ");document.write("<a href='/news/view?id=152228'>$F$-inverse monoids as algebraic structures in enriched signature. (arXiv:1905.09256v1 [math.GR])</a>&nbsp;»");