@InProceedings{chang_et_al:LIPIcs.SoCG.2019.25,
  author =	{Chang, Hsien-Chih and Cossarini, Marcos and Erickson, Jeff},
  title =	{{Lower Bounds for Electrical Reduction on Surfaces}},
  booktitle =	{35th International Symposium on Computational Geometry (SoCG 2019)},
  pages =	{25:1--25:16},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-104-7},
  ISSN =	{1868-8969},
  year =	{2019},
  volume =	{129},
  editor =	{Barequet, Gill and Wang, Yusu},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.SoCG.2019.25},
  URN =		{urn:nbn:de:0030-drops-104294},
  doi =		{10.4230/LIPIcs.SoCG.2019.25},
  annote =	{Keywords: electrical transformation, Delta-Y-transformation, homotopy, tight, defect, SPQR-tree, smoothings, routing set, 2-flipping}
}