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Pré-Publication, Document De Travail Année : 2018

On the eigenproblem for Gaussian bridges

Marina Kleptsyna
P. Chigansky
  • Fonction : Auteur
D. Marushkevych
  • Fonction : Auteur

Résumé

Spectral decomposition of the covariance operator is one of the main building blocks in the theory and applications of Gaussian processes. Unfortunately it is notoriously hard to derive in a closed form. In this paper we consider the eigenproblem for Gaussian bridges. Given a {\em base} process, its bridge is obtained by conditioning the trajectories to start and terminate at the given points. What can be said about the spectrum of a bridge, given the spectrum of its base process? We show how this question can be answered asymptotically for a family of processes, including the fractional Brownian motion.

Dates et versions

hal-01740665 , version 1 (22-03-2018)

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Citer

Marina Kleptsyna, P. Chigansky, D. Marushkevych. On the eigenproblem for Gaussian bridges. 2018. ⟨hal-01740665⟩
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