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Randomblue
  • Member for 14 years, 5 months
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177 votes
80 answers
65k views

Best online mathematics videos?

15 votes
5 answers
2k views

Can one make Erdős's Ramsey lower bound explicit?

32 votes
7 answers
12k views

Links between Riemann surfaces and algebraic geometry

94 votes
7 answers
9k views

When does Cantor-Bernstein hold?

11 votes
8 answers
3k views

Are good introductory/pedagogical problems in algebraic geometry rare?

4 votes
1 answer
435 views

Density of integers with a large rough divisor

8 votes
4 answers
8k views

Cyclic extensions

11 votes
5 answers
2k views

Zero knowledge proof of equality

6 votes
2 answers
1k views

Infinite Ramsey theorem with infinitely many colours

6 votes
3 answers
3k views

Non-oriented version of Poincaré duality

38 votes
6 answers
6k views

"Points" in algebraic geometry: Why shift from m-Spec to Spec?

4 votes
1 answer
950 views

Contradiction to axiom of foundation

7 votes
2 answers
4k views

Galois group of a product of irreducible polynomials

6 votes
1 answer
516 views

Non trivial colouring of the edges of an infinite complete graph

1 vote
1 answer
156 views

Does automatic decomposition of varieties into irreducibles exist?