European Journal of CombinatoricsVolume 11, Issue 6, November 1990, Pages 535-540One-point Extensions of Polar SpacesAuthor links open overlay panelP.H. Fisher, Tim PenttilaShow moreShareCitehttps://doi.org/10.1016/S0195-6698(13)80038-8Get rights and contentUnder an Elsevier user licenseopen archiveOne-point extensions of finite, thick, non-degenerate polar spaces of rank at least 3 are combinatorically characterized.Previous article in issueNext article in issueRecommended articlesCited by (0)Copyright © 1990 Academic Press Limited. Published by Elsevier Ltd. All rights reserved.