New posts in Characteristic Functions

Moment generating functions/ Characteristic functions of $X,Y$ factor implies $X,Y$ independent.

Determining if something is a characteristic function

Combinations of characteristic functions: $\alpha\phi_1+(1-\alpha)\phi_2$

Is $t\mapsto \left|\cos (t)\right|$ a characteristic function?

Characteristic function of a standard normal random variable

For symmetric stable distributions, why is $\alpha \le 2$?