@InProceedings{hrubes:LIPIcs.CCC.2024.12,
  author =	{Hrube\v{s}, Pavel},
  title =	{{A Subquadratic Upper Bound on Sum-Of-Squares Composition Formulas}},
  booktitle =	{39th Computational Complexity Conference (CCC 2024)},
  pages =	{12:1--12:11},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-331-7},
  ISSN =	{1868-8969},
  year =	{2024},
  volume =	{300},
  editor =	{Santhanam, Rahul},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.CCC.2024.12},
  URN =		{urn:nbn:de:0030-drops-204082},
  doi =		{10.4230/LIPIcs.CCC.2024.12},
  annote =	{Keywords: Sum-of-squares composition formulas, Hurwitz’s problem, non-commutative arithmetic circuit}
}