Field extensions isomorphic to subfields of each other
93490
Field that is a subfield of own of its subfields
78561
Algebraic field extensions: Why $k(\alpha)=k[\alpha]$.
6855
Subfields of finite fields
103948
Minimal polynomial is invariant under field extensions
63390
Infinite algebraic extensions of $\mathbb{Q}$
153589
Integral basis of an extension of number fields
140540
Infinite number of intermediate fields between K(u,v) and K
79725
Fields of arbitrary cardinality
136422
Two finite fields with the same number of elements are isomorphic
93118
How to show that if two integral domains are isomorphic, then their corresponding field of quotients are isomorphic?
72478
What is the isomorphism between the fields $(Z_2[x]^{<3},+_{x^3+x^2+1},\times_{x^3+x^2+1})$ and $(Z_2[x]^{<3},+_{x^3+x+1},\times_{x^3+x+1})$?
68753
Elements in finite field extensions
101869
Field Extension Notation
146341
Finding all ring homomorphisms from a field to itself
13606
Prove that $K$ is isomorphic to a subfield of the ring of $n\times n$ matrices over $F$.
134458
Isomorphisms preserving integral domains and fields
154318
Can a field be isomorphic to its subfield?