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Random self-decomposability and autoregressive processes

Publiceringsår: 2010
Språk: Engelska
Sidor: 1606-1611
Publikation/Tidskrift/Serie: Statistics & Probability Letters
Volym: 80
Nummer: 21-22
Dokumenttyp: Artikel
Förlag: Elsevier Science BV


We introduce the notion of random self-decomposability and discuss its relation to the concepts of self-decomposability and geometric infinite divisibility. We present its connection with time series autoregressive schemes with a regression coefficient that randomly turns on and off. In particular, we provide a characterization of random self-decomposability as well as that of marginal distributions of stationary time series that follow this scheme. Our results settle an open question related to the existence of such processes. (C) 2010 Elsevier B.V. All rights reserved.



  • Mathematics and Statistics
  • Linnik distribution
  • distribution
  • Laplace
  • Geometric infinite divisibility
  • Geometric stable law
  • Non-Gaussian time series


  • ISSN: 0167-7152

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