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

90
Probabilistic Proofs of Analytic Facts
mathoverflow.net

78
Quotes in LaTeX ?
tex.stackexchange.com

61
If $e^A$ and $e^B$ commute, do $A$ and $B$ commute?
math.stackexchange.com

59
Wrong (hyper-)references after resetting chapter counter
tex.stackexchange.com

57
Favorite popular math book
mathoverflow.net

56
What's a good way to write “x does not divide y”?
tex.stackexchange.com

54
Why does the Gamma-function complete the Riemann Zeta function?
mathoverflow.net

50
What is convolution intuitively?
mathoverflow.net

49
Favorite popular math book
mathoverflow.net

49
How to monitor file access for an OS X application?
apple.stackexchange.com

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

43
Self-Contained Proof that $\sum\limits_{n=1}^{\infty} \frac1{n^p}$ Converges for $p > 1$
math.stackexchange.com

42
Of any 52 integers, two can be found whose difference of squares is divisible by 100
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42
How to raise a subscript?
tex.stackexchange.com

40
What is the difference between Fragile and Robust commands?
tex.stackexchange.com

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

30
Visualization of Riemann–Stieltjes Integrals
mathoverflow.net

30
Famous mathematical quotes
mathoverflow.net

30
Mathematical symbol for disjoint set union
tex.stackexchange.com

29
How to define tuples?
mathoverflow.net

29
An example for a calculation where imaginary numbers are used but don't occur in the question or the solution.
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29
Roots of truncations of $ e^x - 1$
mathoverflow.net

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

26
Example of continuous function that is analytic on the interior but cannot be analytically continued?
mathoverflow.net

25
What are the worst notations, in your opinion?
mathoverflow.net

24
Avoiding “rivers” in successive lines of type
tex.stackexchange.com

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

23
I need a proof that a line cannot intersect a circle at three distinct points
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22
Good strategy for line breaks with paragraphs of LaTeX source
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