The Mathematics of Financial Modelingand Investment Management

(Brent) #1

Frontmatter Page vi Monday, March 8, 2004 10:06 AM


vi Contents

Outcomes and Events 169

Probability 170

Measure 171

Random Variables 172

Integrals 172

Distributions and Distribution Functions 174

Random Vectors 175

Stochastic Processes 178

Probabilistic Representation of Financial Markets 180

Information Structures 181

Filtration 182

Conditional Probability and Conditional Expectation 184

Moments and Correlation 186

Copula Functions 188

Sequences of Random Variables 189

Independent and Identically Distributed Sequences 191

Sum of Variables 191

Gaussian Variables 194

The Regression Function 197

Linear Regression 197

Summary 199

CHAPTER 7
Optimization 201

Maxima and Minima 202

Lagrange Multipliers 204

Numerical Algorithms 206

Linear Programming 206

Quadratic Programming 211

Calculus of Variations and Optimal Control Theory 212

Stochastic Programming 214

Summary 216

CHAPTER 8
Stochastic Integrals 217

The Intuition Behind Stochastic Integrals 219

Brownian Motion Defined 225

Properties of Brownian Motion 230

Stochastic Integrals Defined 232

Some Properties of Itô Stochastic Integrals 236

Summary 237

CHAPTER 9
Differential Equations and Difference Equations 239

Differential Equations Defined 240

Ordinary Differential Equations 240

Order and Degree of an ODE 241

Solution to an ODE 241

Systems of Ordinary Differential Equations 243
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