Simple exponential $\\|e^{j\omega t}|$
67588
Why does $|e^{ix}|^2 = 1$?
118195
How does one prove that $e$ exists?
124164
($n$-dimensional) Inverse Fourier transform of $\frac{1}{\| \mathbf{\omega} \|^{2\alpha}}$
25498
Prove that $\omega + \omega_1 = \omega \cdot \omega_1 = \omega^{\omega_1} = \omega_1$
42745
Validity and Equivalence of two definitions of the real exponential function
50451
The linear dependence of exponential functions
116730
An "elementary" approach to complex exponents?
129170
Deriving the expectation of $[\hat X,\hat H]$
44016
Proof that the One-Dimensional Simple Harmonic Oscillator is Non-Degenerate?
100004
Differentiating $e^x$ from first principles using limits.
33332
A classic exponential inequality: $x^y+y^x>1$
106609
Show that $e^{iy} = 1 + iy + \frac{\mu_1 y^2}{2}$ for all $y \in \mathbb{R}$ with $|\mu_1| \leq 1$
29389
Why does $k/m=\omega^2$ for harmonic motion?
96251
transforming ordinary generating function into exponential generating function
58741
Operator Exponential $e^A e^B = e^{A+B}$
79024
the derivation of E(X|X)
53917
Determinant of matrix exponential?