Top network posts
- 196 Why do mathematicians use single-letter variables?
- 75 Examples where it's useful to know that a mathematical object belongs to some family of objects
- 66 Structures that turn out to exhibit a symmetry even though their definition doesn't
- 65 Can the fundamental group of any manifold be realized as the fund grp of a finite space?
- 53 How to prove that a polynomial of degree $n$ has at most $n$ roots?
- 42 Ring-theoretic characterization of open affines?
- 41 How did the refereeing system of Gösta Mittag-Leffler's Acta Mathematica function from 1882 to (about) 1918?
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