New posts in field-theory

Can we construct $\Bbb C$ without first identifying $\Bbb R$?

Why does the inverse of surreal numbers exist?

Are there nonisomorphic fields with isomorphic multiplicative groups?

Sigma-Algebra: Is it an Algebra, Field, or Something Else?

Fields and cubic extensions

Field having an archimedean ordering and a non archimedean ordering

Isomorphism between $\Bbb R$ and $\Bbb R(X)$?

This tower of fields is being ridiculous

What is $\operatorname{Gal}(\mathbb Q(\zeta_n)/\mathbb Q(\sin(2\pi k/n))$? [closed]

Suppose $\gcd(\deg(f),\deg (g))=1$. Show that $g(x)$ is irreducible in $k(\alpha)[X]$.

How to show that $[\mathbb{Q}(\sqrt[3]{2},\sqrt[3]{3}):\mathbb{Q}]=9$?

Simple extension of $\mathbb{Q} (\sqrt[4]{2},i)$

How to find the degree of a field extension

Why does $\mathbb{C}$ have transcendence degree $\mathfrak{c}$ over $\mathbb{Q}$?

Proof of Artin's Theorem (linearly independent functions)

Show that $\mathbb{Q}(\sqrt{2})$ is the smallest subfield of $\mathbb{C}$ that contains $\sqrt{2}$

Show $\mathbb{Q}(\sqrt{2},\sqrt{3})$ is a simple extension field of $\mathbb{Q}$.

For what values of $n > 1$ and a is $x^n - a$ irreducible in $\mathbb Q[x]$?

If $[L:k]$ is odd, $f$ quadratic form over $k$, then $\exists$ zero in $k$ when $\exists$ zero in $L$

Let $\alpha$ be a root of $(x^2-a)$ and $\beta$ be a root of $(x^2-b)$. Provide conditions over $a$ and $b$ to have $F=K(\alpha+\beta)$.