A characterization of operators on functionals of discrete-time normal martingales
A characterization of operators on functionals of discrete-time normal martingales
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离散时间正态鞅泛函算子的表征
DOI:
10.1080/07362994.2016.1248779
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发表时间:
2017-03
影响因子:
1.3
通讯作者:
Jinshu Chen
中科院分区:
文献类型:
--
作者:
Caishi Wang;Jinshu Chen
ABSTRACT In this article, we aim at characterizing operators acting on functionals of discrete-time normal martingales. Let be a discrete-time normal martingale that has the chaotic representation property. We first introduce a transform, called 2D-Fock transform, for operators from the testing functional space to the generalized functional space of M. Then we characterize continuous linear operators from to via their 2D-Fock transforms. Our characterization theorems show that there exists a one-to-one correspondence between continuous linear operators from to and functions on Γ × Γ that only satisfy some type of growth condition, where Γ designates the finite power set of . Finally, we give some applications of our characterization theorems.
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DOI:
10.1201/9780203733813
发表时间:
1996
期刊:
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