Automorphisms of a structure of non-zero rational numbers with multiplication
136167
Prove that structure $(Q/{0}; =;*)$ has infinite number of automorphisms
78950
Does this map extend to a unique automorphism of the polynomial ring of an integral domain?
110292
Automorphism group of finite $k$-algebra as an affine variety
117151
Conformal automorphism of unit disk that interchanges two given points
111168
Automorphisms of a finite non-abelian group
61084
Examples of non-isomorphic fields with isomorphic group of units and additive group structure
51324
List of explicit enumerations of rational numbers
119160
Isomorphism between complex numbers minus zero and unit circle
98731
Show that there is no epimorphism from ($\mathbb{Q}$, +) to ($\mathbb{Z}$, +)
120968
Isomorphism of stabilizer over $S_n$ to $S_{n-1}$
101079
Inner automorphisms form a normal subgroup of $\operatorname{Aut}(G)$
116594
Finite fields are isomorphic
141124
Automorphisms of the ring $\Bbb Z[x]$ of polynomials with integer coefficients
158396
Finite $G$ with involutory automorphism $\alpha$ with no nontrivial fixed points. Proving properties of $\alpha$.
4228
Prove that the only automorphism of $\mathbb{Q}(\sqrt[3]{2})$ is the identity automorphism.
82559
Showing two ring homomorphisms that agree on the integers must agree on the rationals
40321
$\operatorname{Aut}(\mathbb Z_n)$ is isomorphic to $U_n$.