In this note we review the basic mathematical ideas used in finance in the language of modern physics. In the framework of discrete time formalism we discuss the effect time rescaling, and derive path integral  formulas for pricing. We also discuss various risk mitigation methods.
In this note we review the basic mathematical ideas used in finance in the language of modern physics. We focus on discrete time formalism , derive path integral and Green's function formulas for pricing. We also discuss various risk mitigation methods.
R
In the framework of
We focus on
R
we discuss the effect time rescaling, and
,
A
and Green's function