Dan Petersen
Apparently, this user prefers to keep an air of mystery about them.
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 University of Copenhagen
 sites.google.com/site/…
 Member for 6 years, 7 months
 55 profile views
 Last seen 8 hours ago
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Top Network Posts
 149Why do mathematicians use singleletter variables?
 74What was the first bit of mathematics that made you realize that math is beautiful? (For children's book)
 65Examples where it's useful to know that a mathematical object belongs to some family of objects
 63Can the fundamental group of any manifold be realized as the fund grp of a finite space?
 50Structures that turn out to exhibit a symmetry even though their definition doesn't
 32What does the term "yoga" mean in mathematics?
 30Can we have A={A} ?
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