Optimal Stopping of a Hilbert Space Valued Diffusion: An Infinite Dimensional Variational Inequality
Optimal Stopping of a Hilbert Space Valued Diffusion: An Infinite Dimensional Variational Inequality
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希尔伯特空间值扩散的最优停止:无限维变分不等式
DOI:
10.1007/s00245-015-9302-8
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发表时间:
2015
影响因子:
1.8
通讯作者:
Chiarolla M
中科院分区:
文献类型:
--
作者:
Chiarolla M
A finite horizon optimal stopping problem for an infinite dimensional diffusionXis analyzed by means of variational techniques. The diffusion is driven by a SDE on a Hilbert spacewith a non-linear diffusion coefficientand a generic unbounded operatorAin the drift term. When the gain functionis time-dependent and fulfils mild regularity assumptions, the value functionof the optimal stopping problem is shown to solve an infinite-dimensional, parabolic, degenerate variational inequality on an unbounded domain. Once the coefficientis specified, the solution of the variational problem is found in a suitable Banach spacefully characterized in terms of a Gaussian measure. This work provides the infinite-dimensional counterpart, in the spirit of Bensoussan and Lions (Application of variational inequalities in stochastic control, 1982), of well-known results on optimal stopping theory and variational inequalities in. These results may be useful in several fields, as in mathematical finance when pricing American options in the HJM model.
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DOI:
--
发表时间:
2006
期刊:
影响因子:
--
作者:
V. Barbu;Carlo Marinelli
通讯作者:
Carlo Marinelli
DOI:
10.1007/bfb0083943
发表时间:
1989
期刊:
--
影响因子:
--
作者:
P. Lions
通讯作者:
P. Lions
DOI:
--
发表时间:
1980
期刊:
影响因子:
--
作者:
J. Menaldi
通讯作者:
J. Menaldi
影响因子:
1.7
作者:
P. Lions
通讯作者:
P. Lions
DOI:
--
发表时间:
2006
期刊:
影响因子:
--
作者:
V. Barbu;S. Sritharan
通讯作者:
S. Sritharan