Pace Nielsen's user avatar
Pace Nielsen's user avatar
Pace Nielsen's user avatar
Pace Nielsen
  • Member for 14 years, 2 months
  • Last seen this week
57 votes
Accepted

$R$ is isomorphic to $R[X,Y]$, but not to $R[X]$

41 votes

Heuristic argument for the Riemann Hypothesis

40 votes

On math looking obvious in retrospect

40 votes
Accepted

Have there been any updates on Mochizuki's proposed proof of the abc conjecture?

39 votes
Accepted

Iterated logarithms in analytic number theory

30 votes

Slick proof?: A vector space has the same dimension as its dual if and only if it is finite dimensional

26 votes
Accepted

Should I publish a paper if its results overlap significantly with an earlier paper?

25 votes
Accepted

How to quickly determine whether a given natural number is a power of another natural number?

24 votes

How to know if somebody else is also working on your problem?

22 votes

Subtraction-free identities that hold for rings but not for semirings?

22 votes

Most important results in 2022

21 votes
Accepted

Possible contemporary improvement to bounded gaps between primes?

21 votes

Algebraic Attacks on the Odd Perfect Number Problem

20 votes
Accepted

Roots of this sextic

19 votes
Accepted

Is the hierarchy of relative geometric constructibility by straightedge and compass a dense order?

18 votes

Should one post a paper on the arXiv if it is not intended to be published?

18 votes

MathScinet reviewing: should I check the proofs?

16 votes

Choice vs. countable choice

16 votes

Using a known result without a specific reference

14 votes

Uncountable counterexamples in algebra

14 votes

Can the fugitive escape?

14 votes

Citing exercises in an article

14 votes

Proofs that require fundamentally new ways of thinking

14 votes

Conceptual reason why the sign of a permutation is well-defined?

13 votes

Does this number exist?

13 votes

What is the smallest group not known to be a Galois group over $\mathbb{Q}$?

13 votes
Accepted

May $p^3$ divide $(a+b)^p-a^p-b^p$?

12 votes

Why not adopt the constructibility axiom $V=L$?

12 votes

Cauchy reals and Dedekind reals satisfy "the same mathematical theorems"

12 votes

Nonequivalent definitions in Mathematics

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