leoli1

Member for 4 years, 7 months
Last seen more than a week ago

Germany

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6,599

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2020
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abstract-algebra

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Answers

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Score Activity Newest

15

What's the most elementary way to solve this trigonometric problem?

Jan 2, 2021

10

Is every injective ring homomorphism an automorphism?

Jan 29, 2021

8

Proving the properties of polynomial functions without using calculus

Aug 16, 2021

7

The Diophantine equation $x^5-2y^2=1$

Aug 7, 2021

6

$S^{n + m}$ is not homeomorphic to $M \times N$

Jan 8, 2021

Questions

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Score Activity Newest Views

3

Residue field of splitting field is splitting field of residue field.

Mar 18, 2021

3

Overly complicated proof of the surjectivity of the Artin map

Jul 30, 2021

3

When does $p(x)=y^n$ have infinitely many solutions where $\deg p=n$?

Aug 20, 2021

2

Profunctors as matrices

Aug 16, 2021

2

Primes in composite lying over given primes

Jul 8, 2021

Tags

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abstract-algebra

142

Score

80

posts

field-theory

55

Score

40

posts

real-analysis

51

Score

24

posts

ring-theory

49

Score

23

posts

number-theory

41

Score

18

posts

Reputation

+10

Prove that $f\left ( x \right )- x^{2021}$ always has at least one root $x_{0}\in\left ( 0, 1 \right )$

+10

class number of $\mathcal O_D$ is odd for $D\equiv1 \pmod 4$, quadratic imaginary fields

+10

$f(z)$ is holomorphic on $|z| < 1$, with $|f(z)| ≤ 3$ and $f(\frac{1}{2}) = 2$. Show that $f(z) \neq 0$ when $|z| < \frac{1}{8}.$

+10

The degree of an irreducible factor of a composite polynomial

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