@InProceedings{guruswami_et_al:LIPIcs.ITCS.2019.39,
  author =	{Guruswami, Venkatesan and Nakkiran, Preetum and Sudan, Madhu},
  title =	{{Algorithmic Polarization for Hidden Markov Models}},
  booktitle =	{10th Innovations in Theoretical Computer Science Conference (ITCS 2019)},
  pages =	{39:1--39:19},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-095-8},
  ISSN =	{1868-8969},
  year =	{2019},
  volume =	{124},
  editor =	{Blum, Avrim},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.ITCS.2019.39},
  URN =		{urn:nbn:de:0030-drops-101326},
  doi =		{10.4230/LIPIcs.ITCS.2019.39},
  annote =	{Keywords: polar codes, error-correcting codes, compression, hidden markov model}
}