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More information about this article... The following comments have been left for this page: needs expansion, citation, etc...--Cronholm144 01:42, 12 May 2007 (UTC) (edit)

Mathematics Portal This article is within the scope of WikiProject Mathematics, which collaborates on articles related to mathematics.
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Please update this rating as the article progresses, or if the rating is inaccurate. Click to show/hide comments. Please add to or update the comments to suggest improvements to the article. needs expansion, citation, etc...--Cronholm144 01:42, 12 May 2007 (UTC)

[edit] Lefschetz center for dynamical systems

A note should be added about Lefschetz's post-retirement contributions. Tcisco 18:36, 25 October 2007 (UTC)