Mathematics
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pancini
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2023 phd in algebraic topology / differential geometry (US)

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All Questions Answers
Score Newest
answer
36
Notation of the second derivative - Where does the d go?
Jan 14, 2016
answer
36
How do people perform mental arithmetic for complicated expressions?
Aug 10, 2015
answer
29
Lack of rigour in Spivak's Calculus book?
Jan 14, 2016
answer
27
The proofs of limit laws and derivative rules appear to tacitly assume that the limit exists in the first place
Jan 8, 2021
answer
22
I feel like epsilon-delta is reversed
Apr 20, 2022
answer
21
Finding the limit of a difficult exponential function
Jun 1, 2016
question
21
Every normal subgroup is the kernel of some homomorphism
Jul 18, 2015
answer
20
Prove that all roots of $\sum_{r=1}^{70} \frac{1}{x-r} =\frac{5}{4} $ are real
Mar 21, 2016
answer
20
If the square of a number is even, then the number is even. Is that true for 2?
Jul 19, 2015
answer
19
Proving a theorem, what is meant by sufficiency and necessity?
Jul 11, 2016
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Up-voting a question while simultaneously voting to close it
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"Copying" someone else's comment for an answer
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When a user asks a question which is beyond their ability to understand
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Finishing math with a period
10
Generate "nice" random matrix
5
How Important is the GRE General / Subject compared to ACT / SAT?

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