Does Quantum Mechanics need imaginary numbers?
58122
QM without complex numbers
1491
Correct spaces for quantum mechanics
75731
Significance of $\pi$ in physics
103014
Is the real number structure unique?
58720
How to promote algebraic expressions to operators in quantum mechanics?
153976
Do complex quantities and irrational numbers exist in nature?
36380
Why not use the Lagrangian, instead of the Hamiltonian, in nonrelativistic QM?
50948
When Eigenfunctions/Wavefunctions are real?
86381
What is imaginary time?
38939
A book on quantum mechanics supported by the high-level mathematics
591
Reason for the discreteness arising in quantum mechanics?
68896
Why should a solution to the wave equation be finite?
5679
Why is $2\pi i \neq 0?$
16931
Can one do the maths of physics without using $\sqrt{-1}$?
94433
Rigorous underpinnings of infinitesimals in physics
116495
How to eliminate the zero real part of a purely imaginary number?
70828
Schrödinger's equation relation to quantum numbers