On error bounds for monotone approximation schemes for multi-dimensional Isaacs equations
On error bounds for monotone approximation schemes for multi-dimensional Isaacs equations
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多维艾萨克斯方程单调逼近格式的误差界
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发表时间:
2004
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通讯作者:
E. Jakobsen
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作者:
E. Jakobsen
Recently, Krylov, Barles, and Jakobsen developed the theory for estimating errors of monotone approximation schemes for the Bellman equation (a convex Isaacs equation). In this paper we consider an extension of this theory to a class of non-convex multidimensional Isaacs equations. This is the first result of this kind for non-convex multidimensional fully non-linear problems. To get the error bound, a key intermediate step is to introduce a penalization approximation. We conclude by (i) providing new error bounds for penalization approximations extending earlier results by, e.g., Bensoussan and Lions, and (ii) obtaining error bounds for approximation schemes for the penalization equation using very precise a priori bounds and a slight generalization of the recent theory of Krylov, Barles, and Jakobsen.
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