14

Answers
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5
Proofs without words
-2
Polynomial bijection from QxQ to Q?
2
What is your favorite “strange” function?
3
Elementary+Short+Useful
5
What’s your favorite equation, formula, identity or inequality?
11
Generalizing a problem to make it easier
1
“Homotopy-first” courses in algebraic topology
2
What out-of-print books would you like to see re-printed?
6
What does the adjective “natural” actually mean?
9
Open Questions in Riemannian Geometry
3
Looking for an interesting problem/riddle involving triple integrals.
1
Fixed point theorems
1
What are you using for symbolic computation?
4
Automorphisms of $\mathbb{C}$