Probability Theory

Measure-theoretic probability from the ground up: σ-algebras, probability spaces, filtrations, conditional expectation, and martingale theory — the language you need before any rigorous pricing derivation.

5 modules~109 min total

Prerequisites

Real analysis (limits, continuity, Lebesgue integration)Linear algebra

Modules

01

σ-Algebras and Probability Spaces

Easy
ProbabilityMeasure Theoryσ-AlgebrasRandom Variables
02

Lebesgue Integration and Expectation

Medium
ProbabilityMeasure TheoryLebesgue IntegrationExpectation
03

Conditional Expectation and the Tower Property

Hard
ProbabilityMeasure TheoryConditional ExpectationMartingales
04

Filtrations, Adapted Processes, and Martingales

Hard
ProbabilityMeasure TheoryFiltrationsMartingalesStopping Times
05

Lp Spaces and Modes of Convergence

Medium
ProbabilityMeasure TheoryLp SpacesConvergenceUniform Integrability