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This comprehensive book establishes the Zili generalized fractional Brownian motion (ZgfBm) as a powerful new foundation in the mathematical theory of stochastic processes.Generalized Fractional Brownian Motion provides the first rigorous and systematic stochastic analysis of the ZgfBm, a versatile Gaussian process that uniquely extends both the classic fractional Brownian motion with stationary increments and the sub-fractional Brownian motion with nonstationary increments. Defined by three tunable parameters, the ZgfBm offers unprecedented flexibility for modeling complex phenomena across diverse fields, overcoming the limitations of single-parameter models.The book carefully builds from foundational Gaussian theory and key fractional processes to advanced topics, including a complete methodology for parameter estimation, the development of a rigorous stochastic calculus with generalized Itô formulas and an investigation into the regularity of solutions to stochastic heat equations. This essential resource provides researchers, practitioners and graduate students with a unified and in-depth perspective on advanced fractional Gaussian processes.
Mounir Zili is Full Professor of Mathematics and a key member of the "Analysis, Probability and Fractals" laboratory at the University of Monastir, Tunisia. He holds a PhD in Mathematics from Sorbonne University in Paris, France.
Introduction ixChapter 1. Gaussian Processes 1Chapter 2. Key Fractional Gaussian Processes: Building Blocks for the Generalized Fractional Brownian Motion 35Chapter 3. The Zili Generalized Fractional Brownian Motion: Definition and Core Properties 63Chapter 4. Parameter Estimation for the Generalized Fractional Brownian Motion 93Chapter 5. Stochastic Calculus with Generalized Fractional Brownian Motion 123Chapter 6. Stochastic Partial Differential Equations Driven by a ZgfBm Noise 171Appendix 203References 225Index 231
Yves Jannot, Alain Degiovanni, France) Jannot, Yves (LETMA-CNRS, Morocco) Degiovanni, Alain (University of Lorraine, France; International University of Rabat