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Questions about mathematics which don't fall into the other arXiv categories. If you have a general question about mathematics but it is not research level, it's off-topic but it might be welcomed on Mathematics Stack Exchange.
4
votes
0
answers
787
views
How many projects do you work on concurrently? [closed]
I was wondering how many concurrent research projects a typical math researcher works on at a given time. I ask because I currently have the oppertunity to start a second project on something I'm fair …
39
votes
10
answers
6k
views
Dimensional Analysis in Mathematics
Is there a sensible and useful definition of units in mathematics? In other words, is there a theory of dimensional analysis for mathematics?
In physics, an extremely useful tool is the Buckingham Pi …
57
votes
What would you want to see at the Museum of Mathematics?
1) A high quality 3D movie (with glasses!) of sphere eversion, like this one
2) A Let's Make a Deal game show room, where people can play the game to death on a computer until they believe that they …
28
votes
Proof synopsis collection
Picard Existence Theorem:
Consider $z'(t)=f(t,z)$. Define $\mathbf{F}y:=y_0+\int_0^t f(x,y(t))dx$. It sure would be nice if $\mathbf{F}$ had a fixed point, so use Banach fixed point theorem to show …