New posts in field-theory

When is $\mathbb{F}_p[x]/(x^2-2)\simeq\mathbb{F}_p[x]/(x^2-3)$ for small primes?

The degree of $\sqrt{2} + \sqrt[3]{5}$ over $\mathbb Q$

Field with $125$ elements

Prove that $x^3-2$ and $x^3-3$ are irreducible over $\Bbb{Q}(i)$

Why is 1+1=0 in a finite field F={0,1}?

Show that $\sqrt{2}\notin \mathbb{Q}(\sqrt[4]{3})$

About linear space generated by algebraically independent set

order of quotient ring

$(a,b) \mathbin\# (c,d)=(a+c,b+d)$ and $(a,b) \mathbin\&(c,d)=(ac-bd(r^2+s^2), ad+bc+2rbd)$. Multiplicative inverse?

Does $\varphi(1)=1$ if $\varphi$ is a field homomorphism?

Difference between i and -i

finding galois extension isomorphic to $\mathbb{Z}_2 \times \mathbb{Z}_4$ and $Q_8$

Irreductible polynomial on a finite field of degree as large as wanted [duplicate]

Why do people study algebraic extension?

Is $\mathbb{Q}[2^{1/3}]$ a field?

Upper bound on cardinality of a field

Show that $GL_n(\mathbb{F})$ is a finite group iff $\mathbb{F}$ has a finite number of elements

When we say two fields are isomorphic, does that just mean they are isomophic as rings?

Cubic root of a polynomial to modulo of another polynomial

Finding the $\mathbb{Q}$-automorphisms of the splitting field of $x^p-2$ over $\mathbb{Q}$.