document.write("«&nbsp;<a href='/news/view?id=95071'>Harmonic functions of random walks in a semigroup via ladder heights. (arXiv:1803.05682v1 [math.PR])</a>");document.write(" | ");document.write("<a href='/news/view?id=95073'>Hierarchical Species Sampling Models. (arXiv:1803.05793v1 [stat.ME])</a>&nbsp;»");