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Ars Mathematica - http://www.arsmathematica.net/
News and discussions on the mathematical arts. |
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Math Forum: Public Discussions - http://mathforum.org/kb/forumindex.jspa
Group topics include general math, education, geometry, software, calculus reform, research and recreations. |
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Math is Fun Forum - http://www.mathisfunforum.com/
A discussion forum for K-12 math students and teachers, with a focus on learning and teaching math the fun way. |
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Yahoo Groups: Theory-edge - http://groups.yahoo.com/group/theory-edge/
Informal discussion of research in algorithmics, mathematics, and their applications. |
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Yahoo Groups in Mathematics - http://dir.groups.yahoo.com/dir/Science/Mathematics
Mailing lists and discussion groups (including former OneList and eGroups). |