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49 votes
5 answers
3k views

If a unitsquare is partitioned into 101 triangles, is the area of one at least 1%?

Update: The answer to the title question is no, as pointed out by Tapio and Willie. I would be more interested in lower bounds. Monsky's famous theorem with amazingly tricky proof says that if we ...
domotorp's user avatar
  • 19.1k
22 votes
1 answer
3k views

What is the $p$-adic Langlands conjecture for $\mathbf{GL}_1$?

In the Boston conference on Fermat's Last Theorem (Summer 1995), Barry Mazur said (around 15m into the video) about class field theory that If you are a number-theorist and you want to cheer ...
Chandan Singh Dalawat's user avatar
10 votes
3 answers
1k views

What's the number of solutions of the quadratic equation $x_1^2+\dots+x_m^2=0$ over finite ring $\mathbb{Z}/p^n$?

I want to calculate the number of solutions to the quadratic equation $$x_1^2+\dots+x_m^2=0$$ where $m$ is odd (a given number) and $x_i\in\mathbb{Z}/p^n$ for a given prime number $p$ and a given ...
user avatar
7 votes
1 answer
424 views

Non-existence of "higher" Artin map

So rank $1$ local Langlands is special in as that it is given by the Artin map $$\text{GL}_1(K)\to G_K^{ab},$$ whereas in the higher rank (to the best of my knowledge) there doesn't exist a map $$\...
curious math guy's user avatar