Sumários
Kolmogorov Equations
29 Abril 2016, 14:00 • João Guerra
Kolmogorov backward and forward equations (or Fokker-Planck equation) . Example.
Girsanov theorem
26 Abril 2016, 14:00 • João Guerra
Kolmogorov Backward partial differential equation and stochastic representation formula for the solution.
Stopping times: basic properties.
Change of probability measures and densities. Equivalent probability measures.
The Girsanov Theorem (simple version). Proof.
The general Girsanov Theorem.
Feynman-Kac formulas
22 Abril 2016, 14:00 • João Guerra
Feynman-Kac formulas - examples and exercises.
The inifinitesimal generator of a diffusion and the Kolmogov "backward" partial differential equation.
The Diffusions as Markov processes and Feynman-Kac formula
19 Abril 2016, 14:00 • João Guerra
The diffusions are Markov processes.
Transition probabilities for Diffusions. Example.
The infinitesimal generator of a diffusion.
Parabolic PDE's with terminal condition and the Feynman-Kac formula (stochastic representation formula). The Heat equation. Example.
Stochastic differential equations
15 Abril 2016, 14:00 • João Guerra
Existence and uniqueness theorem for one-dimensional stochastic differential equations. Example. The CIR (Cox-Ingersoll-Ross) stochastic differential equation.
How to solve linear stochastic differential equations.
Numerical methods for stochastic differential equations: the Euler scheme and the Millstein scheme.