Sumários
Stochastic integrals
28 Setembro 2018, 12:00 • João Guerra
Stochastic integrals: motivation, definition of stochastic integrals for simple processes and definition of stochastic integrals for processes in L^2_{a} (adapted processes in L^2).
Examples and exercises.
Martingales in continuous time and Brownian motion
26 Setembro 2018, 11:30 • João Guerra
Martingales in discrete time:
Examples: Double betting system, the discounted price of an asset as a martingale in the risk-neutral probability measure.
Martingales in continuous time: definition, examples and exercises.
Processes defined as functions of the Brownian motion.
Brownian motion. Martingales in discrete time
21 Setembro 2018, 12:00 • João Guerra
Brownian motion: Basic properties.
Conditional expectation: Basic properties.
Martingales in discrete time: definition and example.
Presentation of the course. Introduction to Brownian motion
19 Setembro 2018, 11:30 • João Guerra
Presentation of the programme, assessment, bibliography.
Brief general introduction to Brownian motion and stochastic calculus.
Brownian motion: brief history, definition and relationship with random walk.
Brownian motion with drift: definition.