José Hdz. Stgo.'s user avatar
José Hdz. Stgo.'s user avatar
José Hdz. Stgo.'s user avatar
José Hdz. Stgo.
  • Member for 14 years, 4 months
  • Last seen this week
57 votes
Accepted

Is 0.24681012141618202224... transcendental?

52 votes

Nontrivial question about Fibonacci numbers?

47 votes

Function satisfying $f^{-1} =f'$

41 votes

Is $x^2+x+1$ ever a perfect power?

36 votes

Famous mathematical quotes

31 votes

What are some very important papers published in non-top journals?

29 votes
Accepted

Is there a non-trivial group G isomorphic to Aut(G)?

29 votes

Titles composed entirely of math symbols

24 votes

Nontrivial question about Fibonacci numbers?

22 votes

Which great mathematicians were also historians of mathematics?

21 votes

Most interesting mathematics mistake?

21 votes

When n! = some Fibonacci number

20 votes

How can I have a copy of this old paper by Frobenius?

20 votes

Non-rigorous reasoning in rigorous mathematics

19 votes

Pseudonyms of famous mathematicians

19 votes
Accepted

Reference request: Oldest number theory books with (unsolved) exercises?

18 votes

Who wrote up Banach's thesis?

16 votes

Diophantine equation $3^n-1=2x^2$

16 votes

The set of orders of elements in a group

15 votes

Primes from a Dirichlet sequence and an irrational number

15 votes

Examples of common false beliefs in mathematics

13 votes
Accepted

Source for derogatory quote about graph theory

13 votes

For consecutive primes $a\lt b\lt c$, prove that $a+b\ge c$.

13 votes

Famous mathematical quotes

12 votes

Most intriguing mathematical epigraphs

12 votes

Conway's lesser-known results

12 votes

Is there an even number $a$ such that $a^{2^{n}}+1$ is prime for infinitely many $n$?

11 votes

Has it been proved that odd perfect numbers cannot be triangular?

10 votes

Integral polynomials dividing N!

10 votes
Accepted

Solve this diophantine equation: $m^4+n^4=10m^2n^2+1$