On the estimation of the diffusion coefficient for multi-dimensional diffusion processes

On the estimation of the diffusion coefficient for multi-dimensional diffusion processes
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多维扩散过程扩散系数的估计

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通讯作者:
A. H. Poincaré
A. H. Poincaré
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作者:
J. E. J. Acod;U.F.R. de Mathematiques;U.R.A. n°;R. A. n°;A. H. Poincaré

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. - 如果一个扩散过程的扩散系数依赖于一个参数θ,那么当n趋于无穷大时,我们可以根据对该过程的n次观测来构造03B8的一致估计序列。在这里,我们构造这样的估计量,并研究它们的渐进效率。我们特别感兴趣的是多维的情况下(的过程),而一般的抽样计划的考虑。
. - If a diffusion process has a diffusion coefficient which depends on a parameter 9, one can construct consistent sequences of estimators of 03B8 based on the observation of the process at only n times, as n goes to infinity. Here we construct such estimators, and study their asymptotic efficiency. Of special interest to us are the multi-dimensional case (for the process) and the consideration of rather general sampling schemes.