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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
170
Determinant of a non-square matrix
math.stackexchange.com

121
Dismissed from PhD due to disability-related misconduct: how to answer question about dismissal?
academia.stackexchange.com

53
Should I simply ignore it if authors assume that I'm male in their response to my review of their article?
academia.stackexchange.com

47
Have you ever seen this bizarre commutative algebra?
mathoverflow.net

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

41
Is there a fair way to increase the grade of students who did not do well in exams?
matheducators.stackexchange.com

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

30
When is a closed differential form harmonic relative to some metric?
mathoverflow.net

26
What can (and should) an educator do about ambiguous terms like "triangle", "square", etc?
matheducators.stackexchange.com

26
How to publish superseding results without creating enemies
academia.stackexchange.com

24
Which mathematical ideas have done most to change history?
mathoverflow.net

22
Why is there no symplectic version of spectral geometry?
mathoverflow.net

20
Is Linear Algebra Done Right too much for a beginner?
matheducators.stackexchange.com

18
Are translation journals still a thing?
academia.stackexchange.com

17
Why are the contents of contest maths so different from contents of degree-level maths?
matheducators.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

15
Which great mathematicians were also historians of mathematics?
mathoverflow.net

14
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

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

13
Nonequivalent definitions in Mathematics
mathoverflow.net

12
ZbMATH and conflict of interest
academia.stackexchange.com

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

12
Real orthogonal and sign
mathoverflow.net

11
How should I introduce the Chain Rule
matheducators.stackexchange.com

11
"Famous" 2d Riemannian manifolds with non-constant curvature
mathoverflow.net

11
Is there a place to buy physical models to demonstrate the Calculus shell, disk, and washer methods?
matheducators.stackexchange.com

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

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

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

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