Pólya's theorem

Pólya's Theorem stands for the following mathematical theorems by George Pólya :

• Pólya's theorem about characteristic functions of probability distributions, see Characteristic function (stochastics) #characterization
• Pólya's theorem (random walks) about return probabilities of a symmetrical random walk
• Pólya's counting theorem (also Redfield – Pólya's theorem ) about counting equivalence classes

This is a disambiguation page for differentiating between several terms identified with the same word.