What is the reason for the link to "as of 2005"? JWSchmidt 01:12, 1 Jan 2005 (UTC)
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Needs work edit
I made a stab at cleaning up the intro, but this page needs a lot of work.PhysPhD (talk) 06:07, 24 May 2008 (UTC)
Comment edit
- <tag: this article has been written in a professional way and it lacks explanatory language for people from other fields. Please help rewrite it into a more educational form>
A reader left the above comment on the main page PhysPhD (talk) 18:32, 28 June 2008 (UTC)
give a definition! edit
What doe this thing mean: 'class of extended objects upon which open strings can end with Dirichlet boundary conditions'. Is none of the well-defined concepts of geometry (manifold, sheaf, whatever) applicable? —Preceding unsigned comment added by Karol8 (talk • contribs) 00:14, 8 February 2010 (UTC)