One-sided inverse being sufficient
3301
If $AB = I$ then $BA = I$
78166
Inverse function for a non-decreasing CDF
93040
$f$ is surjective iff it has a right inverse: using the axiom of choice and errors in ProofWiki
38192
Derivative of inverse function at a point.
142490
Alternative proof for differentiability of inverse function?
65888
A counterexample to theorem about orthogonal projection
32340
Continuous bijections and their inverses
108589
The inverse of the matrix $\{1/(i+j-1)\}$
156877
Rank-one perturbation proof
61484
Continuously invertible operators
128867
Inverse of order preserving transformation
52587
Real analysis : Problem related to inverse
66104
Showing that something is a sufficient statistic
14731
Limit with inverse trignometry
13193
Does a inverse function need to be either surjective or injective?
116136
Proof that the inverse of a square matrix is unique
20611
Inverse of a factorial