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Michael Engelhardt's user avatar
Michael Engelhardt's user avatar
Michael Engelhardt's user avatar
Michael Engelhardt
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All Questions Answers
Score Newest
answer
43
Why is the Fourier transform so ubiquitous?
Feb 11, 2020
answer
39
Do we lose any solutions when applying separation of variables to partial differential equations?
Dec 26, 2020
answer
23
Is there a general solution for the differential equation $f''(x) = f(f(x))$?
Feb 17, 2021
answer
15
How to compute $\sin(\frac{d}{dx})f(x)$?
Dec 18, 2022
answer
15
The Planck constant for mathematicians
Sep 11, 2019
answer
12
How would you work out this integral as a series?
May 25, 2022
answer
12
Is there a real-analytic way to derive the asymptotics of $\int_{-\infty}^\infty e^{ikx} e^{-k^4}\,dk$ as $|x|\to\infty$?
Nov 6, 2021
answer
12
A toy model in 0-d QFT
Oct 12, 2019
answer
11
Papers on arXiv solving the same problem at the same time
Aug 24, 2019
answer
10
Taylor expansion of exponential of a Lie derivative
Jan 20, 2020

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