bokomslag Poisson Point Processes and Their Application to Markov Processes
Vetenskap & teknik

Poisson Point Processes and Their Application to Markov Processes

Kiyosi It

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  • 43 sidor
  • 2016
An extension problem (often called a boundary problem) of Markov processes has been studied, particularly in the case of one-dimensional diffusion processes, by W. Feller, K. It, and H. P. McKean, among others. In this book, It discussed a case of a general Markov process with state space S and a specified point a S called a boundary. The problem is to obtain all possible recurrent extensions of a given minimal process (i.e., the process on S \ {a} which is absorbed on reaching the boundary a). The study in this lecture is restricted to a simpler case of the boundary a being a discontinuous entrance point, leaving a more general case of a continuous entrance point to future works. He established a one-to-one correspondence between a recurrent extension and a pair of a positive measure k(db) on S \ {a} (called the jumping-in measure and a non-negative number m< (called the stagnancy rate). The necessary and sufficient conditions for a pair k, m was obtained so that the correspondence is precisely described. For this, It used, as a fundamental tool, the notion of Poisson point processes formed of all excursions of the process on S \ {a}. This theory of It's of Poisson point processes of excursions is indeed a breakthrough. It has been expanded and applied to more general extension problems by many succeeding researchers. Thus we may say that this lecture note by It is really a memorial work in the extension problems of Markov processes. Especially in Chapter 1 of this note, a general theory of Poisson point processes is given that reminds us of It's beautiful and impressive lectures in his day.
  • Författare: Kiyosi It
  • Illustratör: Bibliographie 3 schwarz-weiße Abbildungen
  • Format: Pocket/Paperback
  • ISBN: 9789811002717
  • Språk: Engelska
  • Antal sidor: 43
  • Utgivningsdatum: 2016-02-01
  • Förlag: Springer Verlag, Singapore