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Didier
  • Member for 4 years, 7 months
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I have been called an "autocratic teacher or professor who are blindly driving his/her students along the bloody path of his/her interest" once. But I prefer "Didier", which is shorter.

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36
Constructing the interval $[0, 1)$ via inverse powers of $2$
Jul 16
answer
27
An example of an open ball whose closure is strictly between it and the corresponding closed ball
Oct 17, 2023
answer
16
Looking for a counterexample for this statement regarding divergent series
Feb 3
answer
15
What's the "best" place for working in Manifolds/Surfaces?
Nov 25, 2022
answer
14
Why are we interested in Einstein metrics?
Jul 21, 2023
answer
13
Example of a function that is continuous at $c$ whose inverse is discontinuous at $f(c)$
Feb 20, 2023
answer
12
If $M$ is a compact Riemannian manifold and $g$ and $\tilde{g}$ are metrics on $M$, then $\frac{1}{C} g \leq \tilde{g} \leq C g$ for $C > 1$
Jun 15, 2020
answer
12
Isn't a differential curve with corners contradictory?
Oct 16, 2022
answer
11
What is the arc length formula in a metric space?
Mar 17, 2023
answer
11
Orthonormal Frames don't imply Orthnormal Coordinate Frames
Apr 5, 2021
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42
Dissertation acknowledgements: thanking a professional for medical treatment?
8
Commutation relations between covariant and Lie derivatives
6
Commutation relations between covariant and Lie derivatives