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Tom Leinster's user avatar
Tom Leinster's user avatar
Tom Leinster
  • Member for 14 years, 6 months
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answer
131
What properties make $[0,1]$ a good candidate for defining fundamental groups?
Mar 26, 2012
answer
93
When is $A$ isomorphic to $A^3$?
Dec 30, 2009
question
87
Where is number theory used in the rest of mathematics?
Mar 9, 2012
answer
81
When are two proofs of the same theorem really different proofs
Nov 2, 2009
answer
80
Best online mathematics videos?
Oct 21, 2009
answer
66
Theorems for nothing (and the proofs for free)
Nov 13, 2009
question
63
Unnecessary uses of the axiom of choice
Feb 17, 2022
question
61
Why are abelian groups amenable?
Jan 18, 2010
answer
60
Cures for mathematician's block (as in writer's block)
Nov 7, 2009
question
55
Bizarre operation on polynomials
Jan 20, 2010
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Should I start posting my questions on MO?
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Why this question is off-topic?