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A link between the Matsumoto-Yor property and an independence property on trees

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  • Koudou, Angelo Efoévi

Abstract

We prove that an independence property established by Matsumoto and Yor [2001. An analogue of Pitman's 2M-X theorem for exponential Wiener functional, Part II: the role of the generalized inverse Gaussian laws. Nagoya Math. J. 162, 65-86] and by Letac and Wesolowski [2000. An independence property for the product of GIG and gamma laws. Ann. Probab. 28, 1371-1383] is, in a particular case, a corollary of a result by Barndorff-Nielsen and Koudou [1998. Trees with random conductivities and the (reciprocal) inverse Gaussian distribution. Adv. Appl. Probab. 30, 409-424] where, for finite trees equipped with inverse Gaussian resistances, an exact distributional and independence result was established.

Suggested Citation

  • Koudou, Angelo Efoévi, 2006. "A link between the Matsumoto-Yor property and an independence property on trees," Statistics & Probability Letters, Elsevier, vol. 76(11), pages 1097-1101, June.
  • Handle: RePEc:eee:stapro:v:76:y:2006:i:11:p:1097-1101
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    Cited by:

    1. Bobecka, Konstancja, 2015. "The Matsumoto–Yor property on trees for matrix variates of different dimensions," Journal of Multivariate Analysis, Elsevier, vol. 141(C), pages 22-34.
    2. Wesolowski, Jacek & Witkowski, Piotr, 2007. "Hitting times of Brownian motion and the Matsumoto-Yor property on trees," Stochastic Processes and their Applications, Elsevier, vol. 117(9), pages 1303-1315, September.
    3. Matsumoto, Hiroyuki & Wesolowski, Jacek & Witkowski, Piotr, 2009. "Tree structured independence for exponential Brownian functionals," Stochastic Processes and their Applications, Elsevier, vol. 119(10), pages 3798-3815, October.
    4. Wesołowski, Jacek, 2015. "On the Matsumoto–Yor type regression characterization of the gamma and Kummer distributions," Statistics & Probability Letters, Elsevier, vol. 107(C), pages 145-149.

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