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Prime numbers, diophantine equations, diophantine approximations, analytic or algebraic number theory, arithmetic geometry, Galois theory, transcendental number theory, continued fractions

4 votes

Hypersurface missing just one point

An even further generalisation of this result is the Alon-Füredi theorem, which says that if a polynomial $f$ does not vanish completely on the "grid" $S = S_1 \times \dots \times S_n$ where $S_i$'s a …
Anurag's user avatar
  • 1,197
14 votes
1 answer
797 views

Theorems proved using combinatorial nullstellensatz that have no other known proof

Alon's (or Alon and Tarsi's?) combinatorial nullstellensatz is a powerful algebraic tool with many applications in combinatorics and number theory. See this, this, this and this mathoverflow question. …
Anurag's user avatar
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10 votes

Proofs of the Chevalley-Warning Theorem

For Chevalley's theorem, i.e., number of common zeroes not being one, any new proof of the following Lemma would give a 'new' proof. Lemma Let $P \in \mathbb{F}_q[x_1, \ldots, x_n]$ such that $P(a …
Anurag's user avatar
  • 1,197
10 votes

How to recognise that the polynomial method might work

I would like to add some more examples and references for the so called polynomial method that can help us recognise when it can be applied. From what I understand so far, the polynomial method fall …
Anurag's user avatar
  • 1,197