show invertibility of linear transformations
69509
Showing a Linear Transformation is invertible
106398
If $A$ is invertible show that $\det(A) \neq 0$
141286
When is $\mathbf{X}^{T}\mathbf{X}+\lambda\mathbf{I}$ invertible?
5644
Is a right inverse of a surjective linear map linear?
36567
$A^{T}A$ positive definite then A is invertible?
59133
Show that an inverse of a bijective linear map is a linear map.
51209
A linear transformation satisfying $P^2 = P$
109217
Invertibility of the Product of Two Matrices
94378
Is Linear transformations $T_1,T_2 : \mathbb{R}^n\rightarrow \mathbb{R}^n$ Invertible?
77204
Least squares invariant under transformation?
69160
Show that the functor that takes $R$ to the set of invertible elements of $R[X]/(X^2-a)$ is representable.
117986
Are there linear transformations from vector spaces over different fields?
23372
Show that for an invertible matrix, the images of a set of vectors spanning the space also form a spanning set
6398
Can the product of an $4\times 3$ matrix and a $3\times 4$ matrix be invertible?
118025
Kernel of composition of linear transformations
25488
Let $A,B$ be $m\times m$ matrices such that $AB$ is invertible. Show $A,B$ invertible.
35345
How do i prove invertibility of this linear transformation