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Mathematics
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vegetandy
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4
Solution for the vector equation $ r + (r \cdot a) b = c$
Dec 29, 2021
4
The integral of the absolute value of the Gaussian curvature of a compact surface
Mar 20
4
Asymptotic expansion of $\int_0^{2\pi} \frac{\cos(nt)}{1+t^2} dt$
Apr 19
3
Is is true that the intersection of two dense subspaces of a linear normed space is also dense?
Oct 22, 2023
2
Can we reduce the crossing number of a graph by two by just removing only one edge?
Aug 14, 2020
2
There are $n$ points in the plane, not all collinear. Prove that there exists a line passing through exactly $2$ points.
Aug 26, 2020
2
Asymptotic expansion using gamma functions and Stirling's formula
Apr 19
1
A graph with $n$ vertices has distinct degrees except for one degree, say $x$ which occurs twice. Find $x$ and prove it.
Jul 16, 2020
1
Method of Steepest Descent (deform contours where there are 2 saddles)
Apr 16
1
Asymptotic expansion of an integral by expanding series first
Apr 18