Reflection principle (Wiener process) (source code)

= Reflection principle (Wiener process)
{wiki=Reflection_principle_(Wiener_process)}

The Reflection Principle is a fundamental concept in the study of stochastic processes, particularly in the context of the Wiener process (also known as Brownian motion). The principle provides a method for analyzing the behavior of Brownian paths, especially concerning their maximum or minimum values.