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Dan Petersen
  • Member for 12 years, 7 months
  • Last seen this week
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All Questions Answers
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14
When a MSE user is suspended, should the suspension apply to MO as well?
Aug 21, 2013
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8
Why do they think this question is not of research level?
Aug 23, 2013
question
7
Some users have lost their username
Jun 26, 2013
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6
Help cleanup tags!
Jan 8, 2018
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1
Requests for reopen and undelete votes for closed and deleted questions
Nov 11, 2013
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228
Why do mathematicians use single-letter variables?
84
Examples where it's useful to know that a mathematical object belongs to some family of objects
71
How to prove that a polynomial of degree $n$ has at most $n$ roots?
70
Structures that turn out to exhibit a symmetry even though their definition doesn't
67
Can the fundamental group of any manifold be realized as the fund grp of a finite space?

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