message: Missed reference found by Vincent
diff: homology of the input sequence. The resulting method is simple and extremely efficient.
  Computation of edge collapse and persistent homology of a filtered flag complex via edge collapse as described in
  - \cite edgecollapsesocg2020.
  + \cite edgecollapsearxiv.
  </td>
  <td width="15%">
  <b>Author:</b> Siddharth Pritam, Marc Glisse<br>
  