$fg$ primitive $\iff$ $f, g$ primitive
107435
Exercise from Atiyah-Macdonald, Chapter 1, 2.iv)
148881
Aut(GxH) isomorphic to Aut(G)xAut(H)
40107
primitive n-th roots of unity
140497
Irreducibles are prime in a UFD
35547
Does $\{f_ng_n\}\to fg$ uniformly?
102979
If $[G:H]$ and $[G:K]$ are relatively prime, then $G=HK$
95299
What can you say about $f$ and $g$ in the case that $fg$ is 1) Injective, 2) Surjective - Cohn - Classic Algebra Page 15
158282
Finite order of an element $f(g)$ of a homomorphism $f$
43956
Differentiating $f(x)^{g(x)}$
11202
If $g \circ f$ is injective, so is $g$
68275
Primitive Root Theorem Proof
58654
If $|A| > \frac{|G|}{2} $ then $AA = G $
126065
Example $g\circ f=id_A$ but $f\circ g\neq id_B$
42355
Double check $G\sim H$ iff $G≈H$
154001
$(g\circ f)^{-1}=f^{-1}\circ g^{-1}$
72251
$g\circ f$ is Surjective and $g$ is Injective then Prove that $f$ is surjective
23579
If $G$ is isomorphic to $H$, then ${\rm Aut}(G)$ is isomorphic to ${\rm Aut}(H)$