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Local nondeterminism and local times for stable processes
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  • Published: August 1989

Local nondeterminism and local times for stable processes

  • John P. Nolan1 

Probability Theory and Related Fields volume 82, pages 387–410 (1989)Cite this article

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Summary

Our main theorem gives sufficient conditions for symmetric stable processes and fields to have a jointly continuous local time. The approach is through the L p representation for such processes. We develop a measure of dependence for vectors in a normed linear space and use that to analyze the probabilistic independence of the increments of a stable process. Local nondeterminism is defined for stable processes and shown to be equivalent to “locally approximately independent increments.” Sufficient conditions for several classes of stable processes to be local nondeterministic are given. These ideas are extended to multidimensional stable random fields and we prove existence of jointly continuous local times. The results extend most Gaussian results to their stable analogs.

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Authors and Affiliations

  1. QMI, 1835 Forest Drive, Suite H, 21401, Annapolis, MD, USA

    John P. Nolan

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  1. John P. Nolan
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Nolan, J.P. Local nondeterminism and local times for stable processes. Probab. Th. Rel. Fields 82, 387–410 (1989). https://doi.org/10.1007/BF00339994

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  • Received: 03 November 1986

  • Revised: 30 August 1988

  • Issue Date: August 1989

  • DOI: https://doi.org/10.1007/BF00339994

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Keywords

  • Stochastic Process
  • Probability Theory
  • Statistical Theory
  • Linear Space
  • Local Time
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