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a repository of mathematical know-how
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I
I have a problem about open or closed sets
M
Methods for approximating integrals
T
The tensor power trick
To construct exotic sets, use limiting arguments
To make a function nicer without changing it much, convolve it with an approximate delta function
To prove that a set is open or closed, use basic theorems rather than direct arguments
U
Use self-similarity to get a limit from an inferior or superior limit.
Use the implicit function theorem to prove smoothness
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Recent articles
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Finding an interval for rational numbers with a high denominator
Try to prove a stronger result
Use self-similarity to get a limit from an inferior or superior limit.
Prove a consequence first
Lower degree by increasing dimension (or vice-versa)
Numerical optimization
Numerical solution of partial differential equations
Mapped Quadrature
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Plenty of LaTeX errors
Tutorial
A different kind of article?
Countable but impredicative
Tricki Papers
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Recent comments
Angela, I think you missed
1 year 17 weeks
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covering a disc
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Only if squares are of the
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Squares?
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Examples in complexity theory
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