Are stationary states always real functions?
50948
When Eigenfunctions/Wavefunctions are real?
132657
Function $ f $ defined on unit disk $ D $ has real values on $ \partial D $, why is $ f $ real valued?
13273
Cardinality of the set of all real functions of real variable
93270
is that function must be constant under the following conditions
120118
The distinction between infinitely differentiable function and real analytic function
133500
For an outer measure $m^*$, does $m^*(E\cup A)+m^*(E\cap A) = m^*(E)+m^*(A)$ always hold?
59067
How to prove that if the expectation value of $A$ in any state is real, then $A$ is Hermitian?
14166
Hilbert space of harmonic oscillator: Countable vs uncountable?
87702
Where are measurable functions not locally integrable?
135315
Proving whether a function on the set of real sequences is a metric
55691
Are states of a quantum system represented by vectors in a Hilbert space?
154513
Do stationary states with higher energy necessarily have higher position-momentum uncertainty?
80939
How to show that every $\alpha$-Hölder function, with $\alpha>1$, is constant?
99105
Are the functions $\sin^n(x)$ linearly independent?
140036
the determinant function is an open function?
45527
Do real matrices always have real eigenvalues?
73840
Is it possible that we have a physical state which is a mixture of discrete eigenstates and continuous ones?