Intersection of two extensions of $\mathbb{Q}$
9422
Computing the Galois group of polynomials $x^n-a \in \mathbb{Q}[x]$
152193
The intersection of a closure with an open set
124467
Can $(X_1,X_2) \cap (X_3,X_4)$ be generated with two elements from $k[X_1,X_2,X_3,X_4]$?
111347
Finding an example of field extensions satisfying certain properties
107370
An open covering of $\mathbb{Q} \cap [0,1]$ that does not contain any finite subcovering
19511
Is the sub-field of algebraic elements of a field extension of $K$ containing roots of polynomials over $K$ algebraically closed?
67944
Nilpotent Elements and Intersection of Prime Ideals
71229
Intersection of two parabolae
79450
For field extensions $F\subsetneq K \subset F(x)$, $x$ is algebraic over $K$
25793
Extension fields isomorphic to fields of matrices
31142
Why does $K \leadsto K(X)$ preserve the degree of field extensions?
45627
Find a sub-ring of M(2, $\mathbb{Q}$) which is isomorphic to $\mathbb{Q}$
116955
Showing the existence of a certain kind of extension of a finitely generated algebra
28803
Extension of degree 2 with characteristic not 2
137373
Real Cyclic Extensions of $\mathbb Q$ of given degree
84386
Domain strictly contained in the intersection of localizations at the primes of height one
139988
Counter example for a result of intersection of subspaces