Skip to main content
Infinity_hunter's user avatar
Infinity_hunter's user avatar
Infinity_hunter's user avatar
Infinity_hunter
  • Member for 3 years, 8 months
  • Last seen more than a week ago
  • Hilbert spaces
12 votes
2 answers
818 views

An elementary way to show that the determinant is non zero

6 votes
1 answer
139 views

Are there are infinitely many integers $n$ such that $x^2 +ny^2$ represents infinitely many primes?

5 votes
3 answers
499 views

Roots of $3x^5 - 15x +5$

5 votes
1 answer
946 views

Discriminant of algebraic number field is $0$ or $1 \bmod 4$

5 votes
3 answers
159 views

Proving an identity relating to binomial coefficients

5 votes
1 answer
519 views

Generalizing Topological Spaces

5 votes
0 answers
67 views

$U(n)$ consisting only prime numbers [duplicate]

5 votes
1 answer
219 views

A series representation for $e^x$

5 votes
2 answers
420 views

How Zorn's lemma is used here?

4 votes
1 answer
195 views

Motivation in considering abelian groups in modules

4 votes
2 answers
523 views

Conjugates of an element in algebraic number fields

3 votes
3 answers
248 views

A paradox in probability

3 votes
2 answers
1k views

Prime ideal $\implies$ maximal in a Boolean ring

3 votes
1 answer
189 views

How to prove $\sqrt {75025} + \sqrt {121393} + \sqrt {196418} + \sqrt{317811} \approx \sqrt {514229} + \sqrt {832040}$?

3 votes
1 answer
350 views

Homomorphism from unit circle to unit circle

3 votes
2 answers
180 views

An example of infinite ring such that $x^4=x$ for all $x$

2 votes
0 answers
47 views

Converse of Schur's Lemma [duplicate]

2 votes
1 answer
127 views

About conjugation map in second cohomology group

2 votes
2 answers
167 views

Prime counting function as ratio of polynomials.

2 votes
0 answers
62 views

An identity of Riemann zeta function [duplicate]

2 votes
0 answers
67 views

Unbiased estimator of $1/(1-a)$ when random variables are Poisson(a)

2 votes
2 answers
71 views

Let $A \in M_n(C)$, $A^m = 0 \implies A^n = 0$

2 votes
2 answers
290 views

Integral basis for $\mathbb{Q}(\theta)$ where $\theta^3 - 4 \theta + 2 =0$

2 votes
1 answer
618 views

Books for transcendental number theory

1 vote
1 answer
150 views

For which $d$, the algebraic integers of $K =\Bbb{Q}(\sqrt d)$ is a PID?

1 vote
0 answers
129 views

Matrices such that $A^k = A$.

1 vote
0 answers
380 views

Books for vector spaces over finite fields

1 vote
1 answer
235 views

Number of Jordan forms from given characteristic polynomial and partitions

1 vote
1 answer
111 views

A conjecture about $\mu(n)$

1 vote
1 answer
556 views

Give an example of subset which is not a subgroup