question on self adjoint operator
62030
$A^2=A^*A$. Why is matrix $A$ Hermitian?
34576
Some questions about Hilbert matrix
136909
Functional Analysis: The rank of an operator detemines if it's a compact operator.
151347
Why do operators belonging to different Hilbert spaces commute?
119684
Is a contraction idempotent operator self-adjoint?
65100
Derivative of the product of operators and Derivative of exponential
46265
Minimal polynomial of the operator $T:V\oplus W\to V\oplus W$
75796
Is every skew-adjoint matrix a commutator of two self-adjoint matrices
36090
$TT^*=T^2$, show that $T$ is self-adjoint
71011
Criteria of compactness of an operator
100731
Positive operator has a positive spectrum?
49633
Hermitian conjugate of differential operator
28719
Question about Angle-Preserving Operators
5526
Prove that $ℤ[i]^*= \{1,-1,i,-i\}$
103624
What is the Physical Meaning of Commutation of Two Operators?
122434
Adjoint of a matrix and inverse of a matrix
146690
Basis for adjoint representation of $sl(2,F)$