On finite truncation of infinite shot noise series representation of tempered stable laws

Junichi Imai, Reiichiro Kawai

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Tempered stable processes are widely used in various fields of application as alternatives with finite second moment and long-range Gaussian behaviors to stable processes. Infinite shot noise series representation is the only exact simulation method for the tempered stable process and has recently attracted attention for simulation use with ever improved computational speed. In this paper, we derive series representations for the tempered stable laws of increasing practical interest through the thinning, rejection, and inverse Lévy measure methods. We make a rigorous comparison among those representations, including the existing one due to Imai and Kawai [29] and Rosiski (2007) [3], in terms of the tail mass of Lévy measures which can be simulated under a common finite truncation scheme. The tail mass are derived in closed form for some representations thanks to various structural properties of the tempered stable laws. We prove that the representation via the inverse Lévy measure method achieves a much faster convergence in truncation to the infinite sum than all the other representations. Numerical results are presented to support our theoretical analysis.

Original languageEnglish
Pages (from-to)4411-4425
Number of pages15
JournalPhysica A: Statistical Mechanics and its Applications
Volume390
Issue number23-24
DOIs
Publication statusPublished - 2011 Nov 1

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Shot Noise
Stable Laws
Stable Process
Series Representation
shot noise
Truncation
Tail
approximation
Exact Simulation
Infinite sum
Exact Method
Thinning
Rejection
Simulation Methods
Structural Properties
Theoretical Analysis
Closed-form
Moment
Numerical Results
Alternatives

Keywords

  • Infinitely divisible random vector
  • Inverse Lévy measure method
  • Rejection method
  • Sample path simulation
  • Shot noise method
  • Tempered stable process
  • Thinning method

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Statistics and Probability

Cite this

On finite truncation of infinite shot noise series representation of tempered stable laws. / Imai, Junichi; Kawai, Reiichiro.

In: Physica A: Statistical Mechanics and its Applications, Vol. 390, No. 23-24, 01.11.2011, p. 4411-4425.

Research output: Contribution to journalArticle

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