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Dan Fox

Madrid, Spain

https://blogs.upm.es/danfox/

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Top Questions
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Top Answers
118
Determinant of a non-square matrix
math.stackexchange.com

117
Dismissed from PhD due to disability-related misconduct: how to answer question about dismissal?
academia.stackexchange.com

50
Should I simply ignore it if authors assume that I'm male in their response to my review of their article?
academia.stackexchange.com

44
Explaining the order of negative integers
matheducators.stackexchange.com

43
Have you ever seen this bizarre commutative algebra?
mathoverflow.net

33
How important is knowledge of trig identities for use in Calculus
matheducators.stackexchange.com

25
How to publish superseding results without creating enemies
academia.stackexchange.com

24
When is a closed differential form harmonic relative to some metric?
mathoverflow.net

23
Which mathematical ideas have done most to change history?
mathoverflow.net

19
Is Linear Algebra Done Right too much for a beginner?
matheducators.stackexchange.com

18
Why is there no symplectic version of spectral geometry?
mathoverflow.net

17
Are translation journals still a thing?
academia.stackexchange.com

15
Discovered that my research was not so original after it was complete. Is there a policy I should follow here?
academia.stackexchange.com

13
Is it appropriate to ask a professor how my grade was calculated?
academia.stackexchange.com

13
Why we don't normally teach chord, versine, coversine, haversine, exsecant, excosecant any more?
matheducators.stackexchange.com

12
Is There Such Thing as Learning Disability in Math?
matheducators.stackexchange.com

12
Should I describe the function $x \mapsto f(x_0) + f'(x_0)(x - x_0)$ as “linear” in a freshman calculus class?
matheducators.stackexchange.com

12
Real orthogonal and sign
mathoverflow.net

12
Why are the contents of contest maths so different from contents of degree-level maths?
matheducators.stackexchange.com

11
Nonequivalent definitions in Mathematics
mathoverflow.net

11
Why don't textbooks foreground marginally generalized theorems?
matheducators.stackexchange.com

10
Is there a place to buy physical models to demonstrate the Calculus shell, disk, and washer methods?
matheducators.stackexchange.com

10
Grading a limit problem
matheducators.stackexchange.com

10
Should theorems be proved to students who are not majoring in mathematics?
matheducators.stackexchange.com

10
Teaching asymptotic notations at the beginning of calculus
matheducators.stackexchange.com

10
“Noncommutative heat equation” — a strange generalization of Killing vectors for a flat metric
mathoverflow.net

10
“Famous” 2d Riemannian manifolds with non-constant curvature
mathoverflow.net

9
Examples of Non-Power Associative Algebras
mathoverflow.net

9
Research-only permanent positions worldwide
mathoverflow.net

9
ZbMATH and conflict of interest
academia.stackexchange.com

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