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Tobias Fritz's user avatar
Tobias Fritz's user avatar
Tobias Fritz's user avatar
Tobias Fritz
  • Member for 12 years, 2 months
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answer
78
Examples of math hoaxes/interesting jokes published on April Fool's day?
Apr 1, 2016
answer
44
Atlas-like websites on specific areas of mathematics
Mar 6, 2020
answer
40
Examples of common false beliefs in mathematics
Nov 12, 2014
answer
24
Realizing universal $C^*$-algebras as concrete $C^*$-algebras
Jan 28, 2013
answer
23
Reconstructing base manifold from its category of smooth vector bundles
Feb 27, 2023
question
23
How large can $\mathbf{P}[X_1 + X_2 + X_3 < 2 X_4]$ get?
Jul 12
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19
Algebraic theorems with no known algebraic proofs
Nov 19
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18
When can a function be made positive by averaging?
Nov 2, 2018
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18
Matrix trace & norm
Mar 30, 2018
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17
Do rings of smooth functions differ from rings of continuous functions?
Oct 3, 2022
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Can time exist without change?