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50

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Which popular games are the most mathematical?

may 17 at 11:22 Denis Serre 18.7k●1●31●93

7

28

votes

5

answers

3k

views

Heuristically false conjectures

nt.number-theory pr.probability soft-question

feb 13 at 11:36 Timothy Foo 865●1●6

3

13

votes

2

answers

518

views

Random permutations from Brownian motion

co.combinatorics pr.probability mg.metric-geometry

mar 24 at 2:56 lei feng 1

2

11

votes

4

answers

930

views

Combinatorial sequences whose ratios $a_{n+1}/a_{n}$ are integers.

co.combinatorics

mar 24 at 2:55 lei feng 1

2

8

votes

0

answers

238

views

What are the limits of the Erdős-Rankin method for covering intervals by arithmetic progressions?

additive-combinatorics arithmetic-progression nt.number-theory

mar 24 at 2:52 lei feng 1

2

7

votes

1

answer

390

views

Brownian Approximation of Downswings of Walks with Positive Drift

pr.probability

dec 25 10 at 16:45 fedja 19.4k●2●46●94

2

7

votes

1

answer

419

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Ordered geometries from convex subsets of the plane

mg.metric-geometry geometry

feb 5 10 at 20:28 Konrad Swanepoel 1,719●9●18

255

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105

Google question: In a country in which people only want boys

51

47

Which mathematicians have influenced you the most?

26

Theorems with unexpected conclusions (2)

26

What is the probability that two random walkers will meet?

23

What are your favorite instructional counterexamples?

22

Examples of theorems misapplied to non-mathematical contexts

22

What is the effect of adding 1/2 to a continued fraction? (2)

21

Expected number of pinballs to light up all 3 channels

21

What would you want to see at the Museum of Mathematics? (3)

21

Cocktail party math

19

Fundamental Examples (4)

18

Does $X$ embed in $Y$, and $Y$ embed in $X$, always imply that $X$ isomorphic onto $Y$?

18

Fiction books about mathematicians? (2)

17

Is \mathbb{C}^{n \times n} algebraically closed?

17

Do the Baumslag-Solitar groups occur in nature?

16

Why is it hard to prove that the Euler Mascheroni constant is irrational?

16

Show that this ratio of factorials is always an integer

15

Can every $\mathbb{Z}^2$ disk be pinball-reached?

15

What relationship, if any, is there between the diameter of the Cayley graph and the average distance between group elements?

14

Why are the sporadic simple groups HUGE?

14

Applications of Brouwer’s fixed point theorem

14

Justifying a theory by a seemingly unrelated example (2)

14

Can the sum of two roots of unity be a root of unity?

14

An unfair game involving an odd number of pieces of chocolate

14

Probability that random weights on $K_n$ satisfy triangle inequality

13

probability puzzle - selecting a person

13

What are some fundamental “sources” for the appearance of pi in mathematics? (2)

13

Math paper authors' order

13

Most intricate and most beautiful structures in mathematics

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Questions

Which popular games are the most mathematical?

Heuristically false conjectures

Random permutations from Brownian motion

Combinatorial sequences whose ratios $a_{n+1}/a_{n}$ are integers.

What are the limits of the Erdős-Rankin method for covering intervals by arithmetic progressions?

Brownian Approximation of Downswings of Walks with Positive Drift

Ordered geometries from convex subsets of the plane

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