User Richard Stanley

188 votes

47 answers

101k views

Magic trick based on deep mathematics

asked Dec 25, 2009 at 22:07

98 votes

33 answers

19k views

Theorems with unexpected conclusions

asked Mar 13, 2010 at 21:15

67 votes

5 answers

10k views

Decidability of chess on an infinite board

asked Jun 12, 2010 at 19:51

62 votes

41 answers

22k views

Most intricate and most beautiful structures in mathematics

asked Dec 12, 2010 at 17:52

57 votes

2 answers

5k views

Recent observation of gravitational waves

asked Feb 13, 2016 at 20:22

51 votes

2 answers

5k views

The "square root" of a graph?

asked Mar 1, 2021 at 22:05

45 votes

2 answers

3k views

Combinatorial interpretation of ${i\choose n}$, where $i^2=-1$

asked Dec 14, 2012 at 1:43

41 votes

1 answer

2k views

Density of values of polynomials in two variables

asked Nov 10, 2010 at 2:32

23 votes

1 answer

1k views

On an asymptotic formula of Keating and Snaith involving the Riemann zeta function

asked Sep 1, 2016 at 0:58

23 votes

2 answers

975 views

Does Rademacher's convergent series for p(n) define an analytic function?

asked Jul 27, 2020 at 19:55

22 votes

3 answers

655 views

Number of terms in certain polynomials over $\mathbb{F}_2$

asked Jan 20, 2014 at 21:14

21 votes

5 answers

2k views

A question on the Laurent phenomenon

asked Jan 5, 2013 at 21:33

21 votes

4 answers

2k views

Fairest way to choose gifts

asked Aug 31, 2010 at 16:20

20 votes

3 answers

1k views

Convex hull of lattice points in a circle

asked Jan 10, 2012 at 21:16

20 votes

2 answers

741 views

A rational function related to Fibonacci numbers

asked Nov 7, 2023 at 0:34

19 votes

2 answers

1k views

Polynomials with many zeros of absolute value 1

asked Jan 8 at 21:43

19 votes

2 answers

851 views

The discriminant of the Okada algebra

asked Sep 10, 2023 at 23:48

19 votes

2 answers

1k views

A congruence involving binomial coefficients

asked Jan 31, 2015 at 16:10

18 votes

3 answers

1k views

Existence of a "quasi-uniform" probability distribution on $\mathbb{Z}$

asked Apr 1, 2015 at 17:15

18 votes

1 answer

607 views

Order of Conway's "look and say" recurrence

asked Jan 9, 2019 at 3:33

18 votes

1 answer

731 views

Biographical information on Anne Marie Whitney

asked Jan 15, 2019 at 3:51

18 votes

0 answers

442 views

An algebraic strengthening of the Saturation Conjecture

asked Jul 26, 2015 at 18:57

18 votes

1 answer

622 views

Simple proof that certain walks in the plane don't intersect

asked Apr 15 at 3:12

17 votes

2 answers

2k views

Algebraic independence of shifts of the Riemann zeta function

asked Sep 24, 2020 at 19:41

16 votes

2 answers

551 views

Number of coefficients equal to $k$ in certain "Fibonacci polynomials"

asked Sep 19, 2022 at 1:25

16 votes

2 answers

535 views

Asymptotic number of certain functions without fixed points

asked Jan 21, 2012 at 3:09

16 votes

2 answers

1k views

Year of birth of Craige Schensted

asked Jan 23, 2021 at 18:41

15 votes

1 answer

1k views

How many labelled disconnected simple graphs have n vertices and floor((n choose 2)/2) edges?

asked Jan 27, 2010 at 1:24

15 votes

0 answers

475 views

Maximizing the number of semistandard Young tableaux

asked Mar 3, 2015 at 21:12

15 votes

1 answer

1k views

An infinite game possibly due to Ernst Specker

asked Aug 4, 2021 at 1:11

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85 Questions

Magic trick based on deep mathematics

Theorems with unexpected conclusions

Decidability of chess on an infinite board

Most intricate and most beautiful structures in mathematics

Recent observation of gravitational waves

The "square root" of a graph?

Combinatorial interpretation of ${i\choose n}$, where $i^2=-1$

Density of values of polynomials in two variables

On an asymptotic formula of Keating and Snaith involving the Riemann zeta function

Does Rademacher's convergent series for p(n) define an analytic function?

Number of terms in certain polynomials over $\mathbb{F}_2$

A question on the Laurent phenomenon

Fairest way to choose gifts

Convex hull of lattice points in a circle

A rational function related to Fibonacci numbers

Polynomials with many zeros of absolute value 1

The discriminant of the Okada algebra

A congruence involving binomial coefficients

Existence of a "quasi-uniform" probability distribution on $\mathbb{Z}$

Order of Conway's "look and say" recurrence

Biographical information on Anne Marie Whitney

An algebraic strengthening of the Saturation Conjecture

Simple proof that certain walks in the plane don't intersect

Algebraic independence of shifts of the Riemann zeta function

Number of coefficients equal to $k$ in certain "Fibonacci polynomials"

Asymptotic number of certain functions without fixed points

Year of birth of Craige Schensted

How many labelled disconnected simple graphs have n vertices and floor((n choose 2)/2) edges?

Maximizing the number of semistandard Young tableaux

An infinite game possibly due to Ernst Specker