64

Answers
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55
Awfully sophisticated proof for simple facts
9
Major mathematical advances past age fifty
4
What are examples of mathematical concepts named after the wrong people? (Stigler’s law)
11
Least collaborative mathematician
23
Forcing as a tool to prove theorems
12
Proof of the weak Goldbach Conjecture
11
Strengthening the Induction Hypothesis
4
What are some examples of narrowly missed discoveries in the history of mathematics?
3
Does the Axiom of Choice (or any other “optional” set theory axiom) have real-world consequences?
4
Is the sum of 2 Lebesgue measurable sets measurable?
7
Applications of infinite Ramsey’s Theorem (on N)?
3
List of recently solved mathematical problems
8
Reasons to believe Vopenka’s principle/huge cardinals are consistent
10
Intuitive and/or philosophical explanation for set theory paradoxes
3
Maximum number of mutually equidistant points in an n-dimensional Euclidean space is (n+1). Proof?
10
Interesting conjectures “discovered” by computers and proved by humans?
8
Examples of ZFC theorems proved via forcing
2
Is there any sequence $a_n$ of nonnegative numbers for which $\sum_{n \geq 1}a_n^2 <\infty$ and $\sum_{n \geq 1}\left(\sum_{k \geq 1}\frac{a_{kn}}{k}\right)^2=\infty$?
7
Is there a universal countable group? (a countable group containing every countable group as a subgroup)
11
Is there a name for a family of finite sequences that block all infinite sequences?
33
Is it possible to partition $\mathbb R^3$ into unit circles?
8
Large cardinals
6
Does there exist a comprehensive compilation of Erdos’s open problems?
1
Successive nth powers mod p?
8
The history of Proper Forcing
4
Independent families of subsets of $\mathbb N$ of size continuum
18
Partitioning $\mathbb{R}$ into $\aleph_1$ Borel sets
5
How to partition R^3 into pairwise non-parallel lines?
4
Forcing over models without the axiom of choice
3
Is there a progress on a solution of the inequality $\pi (m+n)<= \pi (m) + \pi (n)$
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