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Mathematics
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CyclotomicField
  • Member for 7 years
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  • Edmonton, AB, Canada
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Self-taught math enthusiast with a lot of free time.

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View all questions and answers
23
Why are certain PDE called "elliptic", "hyperbolic", or "parabolic"?
Apr 29, 2020
20
Why do complex numbers lend themselves to rotation?
Jul 7, 2023
17
What is the purpose of $\frac{1}{\sigma \sqrt{2 \pi}}$ in $\frac{1}{\sigma \sqrt{2 \pi}}e^{\frac{(-(x - \mu ))^2}{2\sigma ^2}}$?
Apr 10, 2019
15
How to interpret 2 variables separated by a comma in chained inequalities
Dec 10, 2017
14
Can a proof be just words?
Jan 19, 2019
14
One dimension equivalent to area
Aug 30, 2018
12
If two matrices have the same characteristic polynomial then do they have the same determinant?
Jun 24, 2023
9
Is a function a set or a rule?
Jan 21
8
How many slices of pizza do we have?
Aug 21, 2018
8
What seemingly innocuous results in mathematics require advanced proofs?
Aug 15, 2017
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The things that make math.SE 'better' (or worse) than most other math sites
5
How do we earn reputation more easily?
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What should our goal be in answering questions?
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16
How to motivate staff to attend a paid certification course in their off hours?
7
What to do with an adult child with a mental illness and drug taking
7
Should we make a 13-year-old without any interests/hobbies do something?