Confusion about the dimension of a Hilbert Space in Quantum Mechanics
14166
Hilbert space of harmonic oscillator: Countable vs uncountable?
133609
orthonormal system in a Hilbert space
70828
Schrödinger's equation relation to quantum numbers
87940
Question about bilinear form on Hilbert space
17748
Is there a quick proof as to why the vector space of $\mathbb{R}$ over $\mathbb{Q}$ is infinite-dimensional?
138720
Minimum principle in Hilbert space
59657
On the nature of the collapse of the wave function
107682
Show that if the Riesz map is surjective on $H$, then $H$ is a Hilbert space
138832
Expansion coefficients of an arbitrary state in the Hilbert space of one-particle states
22149
How to prove $dim(Ker (A- \lambda I))=dim (Ker(A^t- \lambda I))$?
591
Reason for the discreteness arising in quantum mechanics?
61209
Interpretation of the Dirac-measure property
131906
"An operator is hermitian". Implications?
29174
Trouble with operator-sum representation of a quantum operation
116632
Gram-Schmidt in Hilbert space?
142097
Finding the dimension of the orthogonal complement
88926
Why do we use operators in quantum mechanics?