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Harry Richman's user avatar
Harry Richman's user avatar
Harry Richman
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I am interested in tropical curves and surfaces.

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28
Why is $ \frac{\pi^2}{12}=\ln(2)$ not true?
Aug 23, 2019
question
19
"Local" Gauss-Lucas theorem?
Feb 23, 2017
answer
14
How do analysts think about functions with poles at all roots of unity?
Feb 6, 2018
answer
13
A geometric proof of the Gauss-Lucas theorem
Feb 23, 2017
answer
13
Vandermonde matrix is totally positive
Oct 31, 2017
answer
12
what is the number of paths returning to 0 on the hexagonal lattice
May 6, 2020
answer
11
Why is modular forms applicable to packing density bounds from linear programming at $n\in\{8,24\}$?
Feb 13, 2020
answer
9
Number of matchings of even cycles
Oct 12, 2017
answer
7
What is a geodesic in Outer space?
Oct 3, 2018
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6
Is there a combinatorial reason that the (-1)st Catalan number is -1/2?
Feb 21, 2017
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26
Do Fibonacci numbers form a complete residue system in every modulus?
15
Difference between Euclidean space and vector space?
6
Prove $\binom{0}{8}+\binom{1}{8}+\cdots+\binom{n}{8}=\binom{n+1}{9}$ for all $n$ in $\mathbb{N}$
6
Which real points are in the boundary of the Mandelbrot set?
5
Convert Symmetrix Matrix into Lower Triangular Matrix