This book deals with analytic treatments of Markov processes. Symmetric Dirichlet forms and their associated Markov processes are important and powerful tools in the theory of Markov processes and their applications. The theory is well studied and used in various fields. In this monograph, we intend to generalize the theory to non-symmetric and time dependent semi-Dirichlet forms. By this generalization, we can cover the wide class of Markov processes and analytic theory which do not possess the dual Markov processes. In particular, under the semi-Dirichlet form setting, the stochastic calculus is not well established yet. In this monograph, we intend to give an introduction to such calculus. Furthermore, basic examples different from the symmetric cases are given. The text is written for graduate students, but also researchers.
Table des matières
Chapter 1 Dirichlet forms
1.1 Semi-Dirichlet forms and resolvents
1.2 Closability and regular Dirichlet forms
1.3 Transience and recurrence of Dirichlet forms
1.4 An auxiliary bilinear forms
1.5 Examples
Chapter 2 Some analytic properties of Dirichlet forms
2.1 Capacity
2.2 Qasi-continuity
2.3 Potential of measures
2.4 An orthogonal decomposition of Dirichlet forms
Chapter 3 Markov processes
3.1 Hunt processes
3.2 Excessive functions and negligible sets
3.3 Hunt processes associated with Dirichlet forms
3.4 Negligible sets of Hunt processes
3.5 Decomposition of Dirichlet forms
Chapter 4 Additive functionals and smooth measures
4.1 Positive continuous additive functionals
4.2 Dual PCAFs and duality measures
4.3 Time changes and killings by PCAFs
Chapter 5 Martingale AFs and AFs of zero energy
5.1 Decomposition of AFs
5.2 Beurling-Deny type decompositions
5.3 CAFs of zero energy
5.4 Martingale AFs of local Dirichlet forms
5.5 Transformations by multiplicative functionals
5.6 Conservativeness and recurrence of Dirichlet forms
Chapter 6 Time dependent Dirichlet forms
6.1 Time dependent Dirichlet forms and associated resolvents
6.2 Some parabolic potential theory
6.3 Associated space-time processes
6.4 Additive functionals and associated measures
6.5 Some stochastic calculus
A propos de l’auteur
Y. Oshima, Kumamoto University.
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