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Title should be changed to "Collinear map", two L's. 69.201.182.76 01:17, 5 June 2007 (UTC) reply

I don't think so. It is a composition of "co" and "linear", meaning dual to something linear, rather than the word "collinear" meaning in a line. Google has 127 hits for "C-colinear map" and only 1 for "C-collinear map". — David Eppstein 03:26, 31 August 2007 (UTC) reply

is this related to the class of maps whereby lines in the first vectorspace, project to lines in the second? AndrewHarvey4 ( talk) 05:40, 15 November 2008 (UTC) reply