Tagged: kolmogorov

Writing bad letters of recommendation: the story of Bachelier and Lévy 2

Writing bad letters of recommendation: the story of Bachelier and Lévy

  Take a coin and toss it a number N of times in a time interval of duration T.  Suppose that every time you get head you win a euros and that you lose the same amount of money when you get tail. Then your capital is a random process with ups and dows like this: This process is a stochastic process usually called “Random...