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《山东大学学报(理学版)》 ›› 2025, Vol. 60 ›› Issue (9): 137-142.doi: 10.6040/j.issn.1671-9352.0.2024.056

• • 上一篇    

离散时间Bernoulli噪声泛函上算子值函数的可微性

唐玉玲   

  1. 河西学院数学学院, 甘肃 张掖 734000
  • 发布日期:2025-09-10
  • 基金资助:
    国家自然科学基金资助项目(12161050);甘肃省高校创新基金资助项目(2021B-254);河西学院博士科研启动基金资助项目(KYQD2020021);河西学院校长基金创新团队项目(CXTD2022010,CXTD2022013)

Differentiability of operator-valued functions on discrete-time Bernoulli noise functionals

TANG Yuling   

  1. School of Mathematics, Hexi University, Zhangye 734000, Gansu, China
  • Published:2025-09-10

摘要: 设M是具有混沌表示性质的离散时间正规鞅,S(M)⊂L2(M)⊂S*(M)是与M相关的Gelfand三元组,用L(S(M),S*(M))表示从S(M)到S*(M)的连续线性算子构成的空间,O表示Rd的一个开集,探讨从O到L(S(M),S*(M))的算子值函数的可微性。以2D-Fock变换为工具,得到从O到L(S(M),S*(M))的算子值函数的可微性刻画定理。

关键词: 鞅, 2D-Fock变换, 卷积, 可微性

Abstract: Let M be a discrete-time normal martingale that has the chaotic representation property and S(M)⊂L2(M)⊂S*(M) a Gelfand triple associated with M. Let L(S(M),S*(M)) be the space of all continuous linear operators from S(M) to S*(M) and O be an open subset of Rd. The differential of operator-valued functions from O to L(S(M),S*(M)) is investigated. Mainly using the 2D-Fock transform as a tool, a differentiability characterization theorem is obtained for operator-valued functions from O to L(S(M),S*(M)).

Key words: martingale, 2D-Fock transform, convolution, differentiability

中图分类号: 

  • O177
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