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nguyen quang do's user avatar
nguyen quang do's user avatar
nguyen quang do's user avatar
nguyen quang do
  • Member for 8 years, 6 months
  • Last seen more than 2 years ago
95 votes

Fermat's Last Theorem simple proof

20 votes
Accepted

Roadmap to Iwasawa Theory

17 votes
Accepted

Example of GCD in UFD that can't be expressed as linear combination

14 votes

Units in ring of integers are exactly those with norm {-1,1}

14 votes

Can class number decrease as we grow over some fixed number field?

10 votes

Significance of the Riemann hypothesis to algebraic number theory?

9 votes

Is a biquadratic ring uniquely determined by two intermediate quadratic rings?

8 votes

Show that $ \mathbb{Q}_3(i)$ is an unramified extension

8 votes

Is $ \sqrt{2}$ an element of $ \mathbb{Q} ( \cos 72^\circ ) $?

8 votes
Accepted

Some questions about Class Field Theory from a beginner

8 votes

The sum of two algebraic integers of degree $2$ is an algebraic integer of degree $2$ or $4$, right?

8 votes

Number of solutions to $x^n \equiv 1 \mod p$

7 votes
Accepted

Does the Legendre Symbol/quadratic reciprocity generalize to higher degrees?

7 votes
Accepted

Why do we define the $\mathfrak{p}$-adic logarithm on a $\mathfrak{p}$-adic number field such that $\log(p) = 0$?

7 votes

Any element of $\mathbf{Z}[\xi]$ is congruent to an integer modulo $(1-\xi)^2$ if multiplied by a suitable power of $\xi$

7 votes
Accepted

Maximal abelian extension unramified outside a set of primes

6 votes
Accepted

How many quadratic extension are there on a field?

6 votes

Group Cohomology Vs Profinite group Cohomology

6 votes
Accepted

Galois groups of extensions of local fields

6 votes

Is there a standard way to find the subfields of $\Bbb{Q}(\zeta_n)$ when $n$ is not prime?

6 votes

To show that if all roots of an integer monic polynomial have norm 1, then they are roots of 1

6 votes

Why $\sqrt[3]{3}\not\in \mathbb{Q}(\sqrt[3]{2})$?

6 votes

Abstract properties of the absolute Galois group over $\mathbb{Q}$

6 votes

Show that $\sqrt[3]{1+\sqrt{3}}$ isn't an element of the field $\mathbb{Q}(\sqrt{3} ,\sqrt[3]{2})$

6 votes

Lamé's proof of Fermat Last Theorem for n=3

6 votes
Accepted

Exact Sequence with Ideal Class Group

5 votes

Places of an algebraic number field

5 votes

convergence of the p-adic log in $pZ_p$

5 votes
Accepted

Question on irreducibility of $x^{nm}-a$ when $n$ and $m$ are coprime

5 votes

Absolute Galois group of $\Bbb Q_p$ while varying $p$

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