E. Joseph's user avatar
E. Joseph's user avatar
E. Joseph's user avatar
E. Joseph
  • Member for 8 years, 5 months
  • Last seen this week
31 votes
1 answer
626 views

A random walk on a finite square with prime numbers

26 votes
3 answers
1k views

A prime number random walk

24 votes
1 answer
596 views

About a mysterious sequence who seems to follow some patterns

20 votes
3 answers
507 views

On the regularity of the alternating sum of prime numbers

17 votes
2 answers
458 views

Orbits of vectors under the action of $\mathrm{GL}_n(\mathbb Q)$

14 votes
2 answers
3k views

On polynomials taking infinitely many prime values

13 votes
1 answer
1k views

Recent progress in the irrationality measure of $\pi$

12 votes
2 answers
430 views

The fractional part of $n\log(n)$

10 votes
1 answer
1k views

Generators for a matrix group

10 votes
3 answers
1k views

Finding an irreducible polynomial of degree $n$ in $\mathbb Q[X]$ with real roots

10 votes
2 answers
145 views

Some regularity in the prime decomposition

9 votes
2 answers
516 views

Finding irrational entries such that the determinant will never be zero

8 votes
1 answer
162 views

About the regularity of the decomposition in prime factors

8 votes
3 answers
2k views

Calculate an integral with Riemann sum

8 votes
4 answers
413 views

Find an example of series which converges only absolutely on $\mathbb Q$

8 votes
3 answers
3k views

Every number is the sum of three squares with signs [duplicate]

8 votes
1 answer
637 views

A finite non commutative ring of a specific cardinal

7 votes
1 answer
238 views

How can I prove this formula? $\cdots=\sqrt{\frac{e\pi}2}$ [duplicate]

7 votes
1 answer
239 views

Probability that a linear Diophantine equation has a solution

7 votes
1 answer
415 views

An application of the pigeonhole principle in analysis

7 votes
2 answers
95 views

About numbers which have very few little divisors

6 votes
0 answers
96 views

There exists infinitely many $N$ such that $\{\sum_{n=2}^N\log(n)\}<\varepsilon$

6 votes
1 answer
105 views

About the number of solutions of $\varphi(n)=m$

6 votes
1 answer
57 views

Find a sequence such that this tower of of exponent is convergent

6 votes
1 answer
109 views

Convergence of series based on iteratively applying the logarithm function [duplicate]

6 votes
1 answer
187 views

The angle between two subspaces of $\mathbb R^n$ can not be too small

5 votes
1 answer
624 views

A generalisation of the fundamental theorem of algebra

5 votes
1 answer
487 views

A specific example regarding the inscribed square problem

5 votes
2 answers
228 views

A problem with four circles and a square

4 votes
0 answers
205 views

Applications of the property of transcendence