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Stack Exchange

Harald Hanche-Olsen

Trondheim, Norway

https://folk.ntnu.no/hanche/

Main interests: Partial differential equations, especially hyperbolic systems of conservation laws. See my home page if you want to know more.
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Top Questions
Top Answers
153
How do I convince my students that the choice of variable of integration is irrelevant?
math.stackexchange.com

86
Probabilistic Proofs of Analytic Facts
mathoverflow.net

70
Quotes in LaTeX ?
tex.stackexchange.com

57
If $e^A$ and $e^B$ commute, do $A$ and $B$ commute?
math.stackexchange.com

56
Favorite popular math book
mathoverflow.net

53
What's a good way to write “x does not divide y”?
tex.stackexchange.com

52
Why does the Gamma-function complete the Riemann Zeta function?
mathoverflow.net

50
Wrong (hyper-)references after resetting chapter counter
tex.stackexchange.com

49
Favorite popular math book
mathoverflow.net

45
What is convolution intuitively?
mathoverflow.net

43
Matrix raised to 14th power
math.stackexchange.com

42
How to monitor file access for an OS X application?
apple.stackexchange.com

40
Of any 52 integers, two can be found whose difference of squares is divisible by 100
math.stackexchange.com

39
Self-Contained Proof that $\sum\limits_{n=1}^{\infty} \frac1{n^p}$ Converges for $p > 1$
math.stackexchange.com

39
What is the difference between Fragile and Robust commands?
tex.stackexchange.com

38
How to raise a subscript?
tex.stackexchange.com

33
Why Do The Axioms of Euclidean Geometry Not Need To Include the Definition of Space?
math.stackexchange.com

29
An example for a calculation where imaginary numbers are used but don't occur in the question or the solution.
math.stackexchange.com

29
How to define tuples?
mathoverflow.net

29
Roots of truncations of $ e^x - 1$
mathoverflow.net

28
Visualization of Riemann–Stieltjes Integrals
mathoverflow.net

27
Famous mathematical quotes
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27
Can there be a function that's even and odd at the same time?
math.stackexchange.com

25
Example of continuous function that is analytic on the interior but cannot be analytically continued?
mathoverflow.net

24
What are the worst notations, in your opinion?
mathoverflow.net

24
Symbol for “care of” (c/o)
tex.stackexchange.com

23
Avoiding “rivers” in successive lines of type
tex.stackexchange.com

23
Mathematical symbol for disjoint set union
tex.stackexchange.com

23
I need a proof that a line cannot intersect a circle at three distinct points
math.stackexchange.com

21
Underline at the same level
tex.stackexchange.com

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