Commuting linear operators, one must be a polynomial of the other?
45130
Cyclic vector implies commuting linear operator is a polynomial
134699
Can *any* real polynomial be factored linearly (plus a constant) over $\mathbb{R}$?
84400
Build a Companion Matrix of a Polynomial?
18379
Linear transformation $T:\mathbb{R}^{n}\rightarrow\mathbb{R}^{n}$ such that $T^{2}=\lambda T.$
58572
Prove two commutative linear transformations on a vector space over an algebraically closed field can be simultaneously triangularized
137890
Diagonalizable Operators and characteristic polynomials
90757
$T$ self-adjoint on Hilbert space $H$, $T^n=T^{n+1}$ will $T$ be an orthogonal projection operator?
6960
Necessary and sufficient condition for the matrix $A = I - 2 x x^t$ to be orthogonal
105170
About product of $k$ commutators
17031
Idempotent linear operators are projections
21578
Showing the minimal polynomial for an element in an extension field is the same as the minimal polynomial of a linear transformation.
156498
Time ordering operator if commutator is $c$-number function
83970
Proof of an elementary property of Projection Operators
24126
When functions commute under composition
28485
Commutativity of projection and rotation
96158
What's the associated matrix of this linear operator?
95806
Proving commutativity of convolution $(f \ast g)(x) = (g \ast f)(x)$