most recent 30 from http://mathoverflow.net 2013-05-20T19:44:44Z http://mathoverflow.net/feeds/question/23261 http://www.creativecommons.org/licenses/by-nc/2.5/rdf http://mathoverflow.net/questions/23261/length-of-a-resolution ashpool 2010-05-02T15:37:38Z 2012-11-20T14:46:13Z

<p>Is a (say, projective) resolution (of a module) consisting entirely of zero modules considered to have a length (of zero) at all? I think this possibility causes problems in some books.</p>

http://mathoverflow.net/questions/23261/length-of-a-resolution/113945#113945 Fred Rohrer 2012-11-20T14:46:13Z 2012-11-20T14:46:13Z

<p>This is answered in my <a href="http://mathoverflow.net/questions/113917" rel="nofollow">answer</a> to a related question of yours.</p>