This is an old revision of this page, as edited by Eric Kvaalen(talk | contribs) at 06:33, 11 September 2014(Due to a request by Valhallasw, I redirect to Smoothness where I have copied the contents, with slight modification. This article talks about functions that are not all "smooth" in the technical sense (lower differentiability class).). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.Revision as of 06:33, 11 September 2014 by Eric Kvaalen(talk | contribs)(Due to a request by Valhallasw, I redirect to Smoothness where I have copied the contents, with slight modification. This article talks about functions that are not all "smooth" in the technical sense (lower differentiability class).)