document.write("«&nbsp;<a href='/news/view?id=148233'>Embedding small digraphs and permutations in binary trees and split trees. (arXiv:1901.02328v1 [math.PR])</a>");document.write(" | ");document.write("<a href='/news/view?id=148235'>Entropy of Coherent Excitations. (arXiv:1901.02366v1 [math-ph])</a>&nbsp;»");