Any procedure to find a normal operator that is not self adjoint?
92281
Normal Operator that is not Self-Adjoint
62425
Equivalent Definitions of the Operator Norm
155123
Selfadjoint Operator: Basic Criterion
92455
Orthonormalization of non-hermitian matrix eigenvectors
158511
"Non-linear" algebra
137180
Orthonormal basis with specific norm
8187
How to create my own math operator with limits?
61484
Continuously invertible operators
76297
What is the inverse of the $\mbox{vec}$ operator?
78648
Find an orthonormal basis for the subspace of $\mathbb R^4$
83255
Finding inverse in non-commutative ring
70723
Why are nonsquare matrices not invertible?
128361
The kernel and range of the powers of a self-adjoint operator
14111
Determining possible minimal polynomials for a rank one linear operator
149407
Weak-to-weak continuous operator which is not norm-continuous
77419
Creating the Nabla operator (also known as Del operator) as an operator
54099
What are the eigenvalues of $\operatorname{ad}x$?