User José Hdz. Stgo.

56 votes

2 answers

5k views

A condition that implies commutativity

asked Jun 26, 2010 at 8:21

42 votes

6 answers

14k views

A question regarding a claim of V. I. Arnold

asked Apr 8, 2010 at 6:31

27 votes

1 answer

3k views

An anecdote by R. Schmidt

asked Nov 6, 2010 at 0:53

22 votes

1 answer

2k views

Reference request: a tale of two mathematicians

asked Oct 14, 2021 at 0:38

21 votes

2 answers

4k views

A "couple" of questions on Gauss's mathematical diary

asked Jan 25, 2012 at 21:17

20 votes

2 answers

2k views

On a result attributed to W. Ljunggren and T. Nagell

asked May 15, 2015 at 6:29

19 votes

4 answers

18k views

On the series 1/2 + 1/3 + 1/5 + 1/7 + 1/11 + ...

asked Nov 8, 2009 at 4:48

18 votes

1 answer

2k views

Points on a sphere

asked May 28, 2010 at 22:39

17 votes

5 answers

4k views

Fermat numbers and the infinitude of primes

asked Apr 23, 2010 at 8:24

15 votes

2 answers

2k views

Question on the 52nd (known) Mersenne prime number

asked Jan 16, 2018 at 7:00

14 votes

1 answer

4k views

What is the source of this E̶r̶d̶ő̶s̶ quote?

asked Oct 21, 2013 at 18:53

11 votes

6 answers

2k views

The Wiener-Ikehara approach to the PNT

asked Aug 21, 2010 at 17:03

9 votes

1 answer

681 views

On the exact reference of a cute Diophantine problem

asked Nov 28, 2016 at 7:05

8 votes

1 answer

2k views

Prof. Murty's B. Sc. Thesis

asked Sep 27, 2010 at 5:57

8 votes

1 answer

3k views

On order of subgroups in abelian groups

asked Mar 23, 2010 at 6:49

7 votes

3 answers

611 views

Question on a crucial lemma in Euler's approach to Fermat's Last Theorem for $n=3$

asked May 8, 2023 at 17:28

6 votes

2 answers

1k views

Pages from a known textbook on Euclidean geometry?

asked Oct 10, 2018 at 17:37

6 votes

2 answers

713 views

Origin and variations of problem on $4xy-x-y$ being square

asked Jul 4, 2020 at 21:52

6 votes

4 answers

1k views

What is the name of the following categorical property?

asked Dec 8, 2009 at 20:35

5 votes

3 answers

1k views

Don Zagier's "Zetafunktionen und quadratische Körper"

asked Mar 23, 2017 at 3:59

3 votes

1 answer

510 views

Yet another question on sums of the reciprocals of the primes

asked Mar 9, 2019 at 16:54

3 votes

2 answers

468 views

Character sums: reference request

asked Apr 20, 2012 at 16:42

3 votes

1 answer

859 views

A limit involving the totient function

asked Jun 9, 2010 at 23:28

3 votes

2 answers

1k views

On figurate numbers

asked Jun 7, 2011 at 4:53

2 votes

3 answers

339 views

Gauss sums over multiplicative subgroups

asked May 17, 2012 at 17:40

2 votes

2 answers

251 views

Decomposition result for multivariate polynomial

asked Dec 9, 2009 at 4:04

2 votes

1 answer

386 views

Totient function inequality

asked Oct 23, 2010 at 17:59

2 votes

1 answer

334 views

Intuition behind the proof of key step in Minkowski's second inequality on successive minima

asked Feb 27, 2018 at 8:06

2 votes

1 answer

581 views

A paper by Y. Morita

asked Apr 20, 2016 at 22:01

2 votes

0 answers

236 views

On the cardinality of the set of right-truncatable primes

asked May 6, 2016 at 3:43

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34 Questions

A condition that implies commutativity

A question regarding a claim of V. I. Arnold

An anecdote by R. Schmidt

Reference request: a tale of two mathematicians

A "couple" of questions on Gauss's mathematical diary

On a result attributed to W. Ljunggren and T. Nagell

On the series 1/2 + 1/3 + 1/5 + 1/7 + 1/11 + ...

Points on a sphere

Fermat numbers and the infinitude of primes

Question on the 52nd (known) Mersenne prime number

What is the source of this E̶r̶d̶ő̶s̶ quote?

The Wiener-Ikehara approach to the PNT

On the exact reference of a cute Diophantine problem

Prof. Murty's B. Sc. Thesis

On order of subgroups in abelian groups

Question on a crucial lemma in Euler's approach to Fermat's Last Theorem for $n=3$

Pages from a known textbook on Euclidean geometry?

Origin and variations of problem on $4xy-x-y$ being square

What is the name of the following categorical property?

Don Zagier's "Zetafunktionen und quadratische Körper"

Yet another question on sums of the reciprocals of the primes

Character sums: reference request

A limit involving the totient function

On figurate numbers

Gauss sums over multiplicative subgroups

Decomposition result for multivariate polynomial

Totient function inequality

Intuition behind the proof of key step in Minkowski's second inequality on successive minima

A paper by Y. Morita

On the cardinality of the set of right-truncatable primes