What is a $k$-algebra, what is a $k$-algebra morphism?
50656
Intuition behind $k$-algebra, $k$-algebra morphisms?
151251
A simple algebra that is not semisimple
67772
How to find $k$ such that $(\mathbb{Z} \times \mathbb{Z})/ \langle (m,n)\rangle \cong \mathbb{Z} \times \mathbb{Z}_k$
143429
Kernel of ring homomorphism $k[X,Y] \rightarrow k[t^2, t^3]$
138419
Sigma algebra and algebra difference
21946
What do prime ideals in $k[x,y]$ look like?
40793
What is the difference betwen equivalence and isomorphism of functors in categories.
42652
Must $k$-subalgebra of $k[x]$ be finitely generated?
156679
$K[X,Y]/(XY-1)$ not isomorphic to $K[T]$
4652
Is $V$ a simple $\text{End}_kV$-module?
29637
$\sigma$-algebra of sets that are both $G_\delta$ and $F_\sigma$
110292
Automorphism group of finite $k$-algebra as an affine variety
82810
What is the categorical diagram for the tensor product?
109688
Zero-dimensional ideals and finite-dimensional algebras
68786
"This property is local on" : properties of morphisms of $S$-schemes
139100
A question on the group algebra $k[G]$ of a finite abelian group
104072
Standard graded algebra