Is the linear combination of stationary states exhaustive?
54668
Proof for the completeness of eigenfunctions of a self-adjoint operator
16692
a representation condition of Hilbert space
28062
Something special about energy eigenstates when it comes to time evolution?
148454
how many linearly independed vectors combinations may I extract from a set of vectors
43993
Application of Kolmogorov's Zero-One Law
146664
The union of two linearly independent subsets
46457
Can the parameter space of a single parameter exponential family in canonical form be a closed interval?
433
Problem about jointly continuous and linearity of expectation.
143157
Perturbation theory: justifying expansion in terms of eigenstates of the basis Hamiltonian
99168
Does Hilbert's $\varepsilon$-calculus have any real problem when using for incomplete systems?
112231
Showing that a one-to-one linear transformation maps a linearly independent set onto a linearly independent set
108464
Necessary and sufficient conditions for a function to be the Wigner function of state
146984
Prove: Full Rank and a solution os linear system
141614
Linear Combination of Random Normal Variables
40305
Hilbert space of a free particle: Countable or Uncountable?
20659
Is trace invariant under cyclic permutation with rectangular matrices?
61046
General construction of $W_n$-state