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Pré-Publication, Document De Travail Année : 2010

Stochastic Approximation with Averaging Innovation

Résumé

The aim of the paper is to establish a convergence theorem for multi-dimensional stochastic approximation in a setting with innovations satisfying some averaging properties and to study some applications. The averaging assumptions allow us to unify the framework where the innovations are generated (to solve problems from Numerical Probability) and the one with exogenous innovations (market data, output of ``device" $e.g.$ an Euler scheme) with stationary or ergodic properties. We propose several fields of applications with random innovations or quasi-random numbers. In particular we provide in both setting a rule to tune the step of the algorithm. At last we illustrate our results on five examples notably in Finance.
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Dates et versions

hal-00504644 , version 1 (20-07-2010)
hal-00504644 , version 2 (23-03-2011)
hal-00504644 , version 3 (05-12-2011)
hal-00504644 , version 4 (10-09-2012)

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Citer

Sophie Laruelle, Gilles Pagès. Stochastic Approximation with Averaging Innovation. 2010. ⟨hal-00504644v1⟩

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