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3002 results in Probability theory and stochastic processes

Page 3 of 151

Dependence Models via Hierarchical Structures
  • Luis E. Nieto-Barajas
  • Published online:
    20 March 2025
    Print publication:
    27 March 2025
  • Bringing together years of research into one useful resource, this text empowers the reader to creatively construct their own dependence models. Intended for senior undergraduate and postgraduate students, it takes a step-by-step look at the construction of specific dependence models, including exchangeable, Markov, moving average and, in general, spatio-temporal models. All constructions maintain a desired property of pre-specifying the marginal distribution and keeping it invariant. They do not separate the dependence from the marginals and the mechanisms followed to induce dependence are so general that they can be applied to a very large class of parametric distributions. All the constructions are based on appropriate definitions of three building blocks: prior distribution, likelihood function and posterior distribution, in a Bayesian analysis context. All results are illustrated with examples and graphical representations. Applications with data and code are interspersed throughout the book, covering fields including insurance and epidemiology.

  • 1 - Quadratic Functionals of Brownian Motion

  • from Part I - Theory
  • Katsuto Tanaka, Hitotsubashi University, Tokyo
  • Book:
    Brownian Motion, the Fredholm Determinant, and Time Series Analysis
    Published online:
    19 December 2024
    Print publication:
    02 January 2025, pp 7-62
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Brownian Motion, the Fredholm Determinant, and Time Series Analysis
  • Katsuto Tanaka
  • Published online:
    19 December 2024
    Print publication:
    02 January 2025
  • Brownian motion is an important topic in various applied fields where the analysis of random events is necessary. Introducing Brownian motion from a statistical viewpoint, this detailed text examines the distribution of quadratic plus linear or bilinear functionals of Brownian motion and demonstrates the utility of this approach for time series analysis. It also offers the first comprehensive guide on deriving the Fredholm determinant and the resolvent associated with such statistics. Presuming only a familiarity with standard statistical theory and the basics of stochastic processes, this book brings together a set of important statistical tools in one accessible resource for researchers and graduate students. Readers also benefit from online appendices, which provide probability density graphs and solutions to the chapter problems.

  • 6 - Some Extensions and Applications of Martingale Theory

  • Daniel W. Stroock, Massachusetts Institute of Technology
  • Book:
    Probability Theory, An Analytic View
    Published online:
    07 November 2024
    Print publication:
    21 November 2024, pp 200-234

  • Summary

    Chapter 6 opens with extensions of martingale theory in two directions: to σ-finite measures and to random variables with values in a Banach space. In §6.2 I prove Burkholder’s Inequality for martingales with values in a Hilbert space. The derivation that I give is essentially the same as Burkholder’s second proof, the one that gives optimal constants. Finally, the results in §6.1 are used in §6.3 to derive Birkhoff’s Individual Ergodic Theorem and a couple of its applications.

Page 3 of 151