paul Monsky's user avatar
paul Monsky's user avatar
paul Monsky's user avatar
paul Monsky
  • Member for 13 years, 10 months
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110 votes

Have any long-suspected irrational numbers turned out to be rational?

91 votes

Tweetable Mathematics

43 votes

An example of a beautiful proof that would be accessible at the high school level?

33 votes

Not especially famous, long-open problems which anyone can understand

28 votes
Accepted

Is there an elementary way to find the integer solutions to $x^2-y^3=1$?

19 votes

Not especially famous, long-open problems which anyone can understand

18 votes

What are some correct results discovered with incorrect (or no) proofs?

15 votes
Accepted

Why are there usually an even number of representations as a sum of 11 squares

15 votes

Proofs that require fundamentally new ways of thinking

15 votes

How does a mathematician choose on which problem to work?

14 votes

Solutions to $\binom{n}{5} = 2 \binom{m}{5}$

14 votes

Elementary examples of the Weil conjectures

12 votes

Collecting proofs that finite multiplicative subgroups of fields are cyclic

10 votes

What are your favorite instructional counterexamples?

8 votes

the simple group PSL(2,q)

7 votes
Accepted

(Binary) Theta functions and Atkin's U-operator

7 votes
Accepted

Vanishing constant term in powers of a Laurent polynomial

6 votes
Accepted

Does there exist a half-integer weight theta function which is is equivalent to 1 modulo 4?

6 votes
Accepted

Computing certain class numbers modulo 4

6 votes

A problem on sums of arctangents of rationals

6 votes

Simple groups with the same cardinality as PSL_2(Z/p)

6 votes
Accepted

How thick is the reciprocal of the squares

5 votes
Accepted

Primes and $x^2+2y^2+4z^2$

4 votes
Accepted

2-class group of a quadratic imaginary extension

4 votes

Are there any rational solutions to this equation?

4 votes

Examples of great mathematical writing

3 votes
Accepted

A characteristic 2 polynomial recursion

3 votes

Higher level analogs of Nicolas-Serre theory

3 votes

mod p modular forms

3 votes

Examples of sequences whose asymptotics can't be described by elementary functions