@InProceedings{agarwal_et_al:LIPIcs.ESA.2024.6,
  author =	{Agarwal, Pankaj K. and Ezra, Esther and Sharir, Micha},
  title =	{{Lower Envelopes of Surface Patches in 3-Space}},
  booktitle =	{32nd Annual European Symposium on Algorithms (ESA 2024)},
  pages =	{6:1--6:17},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-338-6},
  ISSN =	{1868-8969},
  year =	{2024},
  volume =	{308},
  editor =	{Chan, Timothy and Fischer, Johannes and Iacono, John and Herman, Grzegorz},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.ESA.2024.6},
  URN =		{urn:nbn:de:0030-drops-210772},
  doi =		{10.4230/LIPIcs.ESA.2024.6},
  annote =	{Keywords: Hierarchical cuttings, surface patches in 3-space, lower envelopes, charging scheme, gradation}
}