Nilpotent matrices and inverses
7034
Prove that $A+I$ is invertible if $A$ is nilpotent
113907
All nilpotent $2\times 2$ matrices
57543
Show that a matrix is nilpotent.
144531
How to prove that a nilpotent operator has a basis representation that is strictly upper triangular?
61868
Prove that $ND = DN$ where $D$ is a diagonalizable and $N$ is a nilpotent matrix.
124149
Inverse of matrix with nonnegative entries
127664
Inverse elements in the absence of identities/associativity.
63882
Show that the heisenberg group is nilpotent
20856
Inverse of Linear Transformations
103500
Nilpotent Jacobson radical
133046
Showing $[L,rad(L)]$ is nilpotent.
133019
Nilpotent elements in $\mathbb Z_n$
39788
$a+1,a-1$ invertible for nilpotent element
42467
Inverse of an invertible triangular matrix (either upper or lower) is triangular of the same kind
61526
An exercise about nilpotent quotient groups
98541
If a Matrix Has Only Zero as an Eigen-Value Then It Is Nilpotent
55388
Finding nilpotent and diagonalizable operators for a linear transformation $T$