Are commuting endomorphisms polynomials of a same (third) endomorphism?
57731
Can commuting matrices $X,Y$ always be written as polynomials of some matrix $A$?
30178
Homeomorphism $(\mathbb{CP}^1)^m/S_m \overset{\sim}{\to} \mathbb{CP}^m$?
109039
Does this "extension property" for polynomial rings satisfy a universal property?
97608
Showing a Ring of endomorphisms is isomorphic to a Ring
146046
Are two matrices having the same characteristic and minimal polynomial always similar?
77620
Irreducible polynomials over $\mathbb Q$ and $\mathbb Z $
29453
An epimorphism from $S_{4}$ to $S_{3}$ having the kernel isomorphic to Klein four-group
101313
Minimal polynomial, determinants and invertibility
21578
Showing the minimal polynomial for an element in an extension field is the same as the minimal polynomial of a linear transformation.
85193
direct product commutes with tensor product?
19280
Jordan Canonical Form determined by characteristic and minimal polynomials in dimension $3$, but not beyond
52354
Given a idempotent endomorphism, show that $M = \ker(f) \oplus \ker (f-\text{id}_M)$
46664
Is every endomorphism of the quaternion ring surjective?
91736
Explicit homeomorphism between open and closed rational intervals?
95806
Proving commutativity of convolution $(f \ast g)(x) = (g \ast f)(x)$
95086
Homeomorphism is bijective
78950
Does this map extend to a unique automorphism of the polynomial ring of an integral domain?