User guillaume - MathOverflowmost recent 30 from http://mathoverflow.net2013-06-19T18:06:22Zhttp://mathoverflow.net/feeds/user/20446http://www.creativecommons.org/licenses/by-nc/2.5/rdfhttp://mathoverflow.net/questions/3973/what-should-be-offered-in-undergraduate-mathematics-thats-currently-not-or-isn/85206#85206Answer by guillaume for What should be offered in undergraduate mathematics that's currently not (or isn't usually)?guillaume2012-01-08T19:50:28Z2012-01-08T19:50:28Z<p>To have a hard time : not all the problems are easy to solve.</p>