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Stochastic calculus provides a consistent theory of integration for stochastic processes and is used to model random systems. Its applications range from statistical physics to quantitative finance.

6 votes
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Föllmer: "Calcul d'Ito sans probabilités" in English or German?

Föllmer's approach was mainly adopted by specialists in Mathematical Finance. Have a look at Introduction to Stochastic Calculus for Finance by D. Sondermann. This is an intro lecture course based o …
Andrey Rekalo's user avatar
32 votes
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Intuition and/or visualisation of Itô integral/Itô's lemma

I find the intuitive explanation in Paul Wilmott on Quantitative Finance particularly appealing. Fix a small $h>0$. The stochastic integral $$\int_0^{h} f(W(t))\ dW(t)=\lim\limits_{N\to\infty}\sum\lim …
Andrey Rekalo's user avatar