@InProceedings{le_et_al:LIPIcs.SoCG.2023.47,
  author =	{Le, Hung and Milenkovi\'{c}, Lazar and Solomon, Shay},
  title =	{{Sparse Euclidean Spanners with Optimal Diameter: A General and Robust Lower Bound via a Concave Inverse-Ackermann Function}},
  booktitle =	{39th International Symposium on Computational Geometry (SoCG 2023)},
  pages =	{47:1--47:17},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-273-0},
  ISSN =	{1868-8969},
  year =	{2023},
  volume =	{258},
  editor =	{Chambers, Erin W. and Gudmundsson, Joachim},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.SoCG.2023.47},
  URN =		{urn:nbn:de:0030-drops-178976},
  doi =		{10.4230/LIPIcs.SoCG.2023.47},
  annote =	{Keywords: Euclidean spanners, Ackermann functions, convex functions, hop-diameter}
}