Diagonalizable operator $D$ on $R^3$ and a nilpotent operator $N$
55388
Finding nilpotent and diagonalizable operators for a linear transformation $T$
79739
Block diagonal matrix diagonalizable
1973
Traces of all positive powers of a matrix are zero implies it is nilpotent
112900
Eigenvalue of a polynomial evaluated in a operator
5322
Let $A$ be a complex matrix such that $A^n = I$, show that $A$ is diagonalisable.
144104
Show that a positive operator on a complex Hilbert space is self-adjoint
87897
Bounded operators on separable Hilbert spaces
128453
If $A$ has two eigenvalues $\lambda _1, \lambda_2$ and $\dim (E_{\lambda_1})=n-1$, then $A$ is diagonalizable
144531
How to prove that a nilpotent operator has a basis representation that is strictly upper triangular?
57543
Show that a matrix is nilpotent.
26801
Show that orthogonal matrices are diagonalizable
137890
Diagonalizable Operators and characteristic polynomials
53863
Making a non-diagonalizable matrix diagonalizable with an small perturbations
19280
Jordan Canonical Form determined by characteristic and minimal polynomials in dimension $3$, but not beyond
52260
Diagonalization and eigenvalues
93062
Is Every Invariant Subspace the Kernel of an polynomial applied in the operator?
61484
Continuously invertible operators