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Fourier transforms front page
Analysis front page
How to use mathematical concepts and statements
If your problem can be expressed in terms of convolutions and inner products then take the Fourier transform
Linearize the phase
Use integration by parts to exploit cancellation
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Littlewood-Paley heuristic for derivative
Littlewood-Paley heuristic
Geometric view of Hölder's inequality
Diagonal arguments
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
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