李寿梅
抽象空间的概率论,特别是集值与模糊集值随机过程及其应用;数理金融。
个性化签名
- 姓名:李寿梅
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学术头衔:
博士生导师
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学科领域:
数理统计学
- 研究兴趣:抽象空间的概率论,特别是集值与模糊集值随机过程及其应用;数理金融。
李寿梅教授,1963年12月生于河北省沧州,1988年在河北大学取得硕士学位并留校任教,1991年来北京工业大学工作。1995年1月至1998年3月在日本佐贺大学攻读博士学位;1998年4月至2000年4月任日本佐贺大学理工学部副教授。2000年5月回北京工业大学任教授。主要研究兴趣:抽象空间的概率论,特别是集值与模糊集值随机过程及其应用;数理金融。在国际学术期刊上发表论文30余篇,被SCI引用50余次。另外有SCI以外被日本、美国、德国、西班牙、韩国、法国、巴西、南非等国的作者多次引用。英文专著“Limit Theorems and Applications of Set-Valued and Fuzzy Set-Valued Random Variables”,2002年由Kluwer Academic Publishers出版。该书被日本、西班牙、美国、德国等一些大学作研究生主要参考书。研究成果受到国际同行的认可。模糊集理论的创始人Zadeh与一般集值随机变量提出者Dan Ralescu认为其成果是近十年来国际上该分支的最重要的成果之一。2002年在维也纳获第十六届控制与系统欧洲会议最佳论文奖。 2004年应邀在西班牙召开的第二届概率统计软方法国际大会上做一小时大会报告。应邀访问法国巴黎第九大学,西班牙Oviedo大学,日本东京理科大学,韩国科学院,美国新墨西哥州立大学、德克萨斯大学等并作学术报告。与日本导师小仓先生关于“模糊集值概率分析及其应用”的研究是日本自然科学基金基础重点项目,成果在日本大学理科类概率专业排名进入十强(日本“宝岛”577卷第81页)。独立完成的“集值与模糊集值随机变量的极限理论”2004年获教育部提名国家科学技术奖自然科学奖二等奖。2004年入选国家级首批新世纪百千万人才工程。
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【期刊论文】Laws of Large Numbers for weighted sums of fuzzy set-valued random variables
李寿梅
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-1年11月30日
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【期刊论文】Limit Theorems and Applications of Set-Valued and Fuzzy Set-Valued Random Variables
李寿梅, Shoumei Li Yukio Ogura Vladik Kreinovich
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Mathematical and Statistical Methods: Volume 43 This book presents a clear, systematic treatment of convergence theorems of set-valued random variables (random sets) and fuzzy set-valued random variables (random fuzzy sets). Topics such as strong laws of large numbers and central limit theorems, including new results in connection with the theory of empirical processes are covered. The author's own recent developments on martingale convergence theorems and their applications to data processing are also included. The mathematical foundations along with a clear explanation such as H
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【期刊论文】Convergence of Set Valued Sub-and Super-martingales in the Kuratowski-Mosco Sense
李寿梅, Shoumei Li and Yukio Ogura
Published in 《The Annals of Probability》 Vol. 26. No.3 (1998), 1384-1402,-0001,():
-1年11月30日
The purpose of this paper is to prove some convergence theorems of closed and convex set valued sub-and super-martingales in the Kuratowski-Mosco sense. For getting submartingale convergence theorem, we give sufficient conditions for Kudo-Aumann integral and Hiai-Umegaki conditional expectation to be closed both for compact convex set valued random variables and for closed convex set valued random variables. We also give an example of a bounded closed convex set valued random variable whose Kudo-Aumann integral is not closed.
set valued submartingale,, set valued supermartin-gale,, Kudo-Aumann integral,, Kuratowski-Mosco convergence.,
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【期刊论文】Convergence of Set Valued and Fuzzy Valued Martingales
李寿梅, Shoumei Li and Yukio Ogura
Published in 《Fuzzy Sets and Systems》 Vol. 101. No.3 (1999), 453-461,-0001,():
-1年11月30日
The purpose of this paper is to prove the convergence thorems of set valued and fuzzy valued martingales in Kuratowski-Mosco sence based on [4].
set valued and fuzzy valued martingales,, unifornmly integrable mar-tingales,, martingale selections.,
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【期刊论文】Separability for Graph Convergence of Sequences of Fuzzy Valued Random Variables
李寿梅, Yukio Ogura Shoumei Li
Published in 《Fuzzy Sets and Systems》 Vol. 123. (2001), 19-27,-0001,():
-1年11月30日
We prove that the graph convergence in Hausdorff metric or Kuratowski-Mosco topology of a sequence of fuzzy sets follows from the conrgence of the sequences of the level sets for countable dense levels. As an application, we give a strong law of large numbers for fuzzy valued random variables, including the case when the level sets may not be bounded.
set valued random variable,, fuzzy valued random vari-able,, the Kuratowski-Mosco convergence,, the Hausdorff convergence,, convergence in graph.,
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李寿梅, Shoumei Li a, *, Yukio Ogura b, , Hung. T. Nguyen c
Information Sciences 133(2001)7-21,-0001,():
-1年11月30日
The purpose of this paper is to discuss fuzzy valued Gaussian processes and mar-tingales with continuous parameter. We mainly obtain a representation theorem for fuzzy valued Gaussian processes after proving a new embedding theorem. Based on previous results about set valued and fuzzy valued martingales (cf. [S. Li, Y. Ogura, J. Fuzzy Math. 4 (1996) 905; S. Li, Y. Ogura, Fuzzy Sets and Systems 101 (1999) 453; S. Li, Y. Ogura, Ann. Probab. 26 (1998) 1384-1402; S. Li, Y. Ogura, in: Proc. IFSA '97, vol. 4, 1997, pp. 9-13; S. Li, Y. Ogura, in: C. Bertoluzza, M.A. Gil, D.A. Ralescu (Eds.), Statistical Modeling, Analysis and Management of Fuzzy Data, Physica (in press); Y. Ogura, S. Li, Fuzzy Sets and Systems (in press)]), we prove optional sampling theo- rems for set valued and fuzzy valued martingales with continuous parameter.
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【期刊论文】Set Defuzzication and Choquet Integral
李寿梅, Shoumei Li Yukio Ogura Dan Ralescu
Published in 《International Journal of Uncertainty, Fuzziness and Knowledge-Based Systems》 Vol. 123.(2001), 19-27,-0001,():
-1年11月30日
In this paper, we discuss the defuzzification problem. We first propose a set defuification method, (from a fuzzy set to a crisp set) by using the Aumann integral. From the obtained set to a point, we have two methods of defuzzification. One of these uses the mean value method and the other uses a fuzzy measure. In the first case, we compare our mean value method with the method of the center of gravity. In the second case, we compare fuzzy measure method with the Choquet integral method. We also give there a sufficient condition so that the results in the last two methods are equivalent.
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【期刊论文】Convergence in Graph for Fuzzy Valued Martingales and Smartingales
李寿梅, Shoumei Li Yukio Ogura Madan L. Purl
Published in 《Statistical Modeling, Analysis and Management of Fuzzy Data》 Vol. 87.(2002), 67-85,-0001,():
-1年11月30日
In this paper, we introduce the concept of convergence in graph for fuzzy val-ued random variables, give an equivalent definition and then obtain convergence theorems for fuzzy valued martingales, submartingales and supermartingales based on the results of our previous papers [14, 16, 17].
fuzzy valued random variable,, fuzzy valued martingale,, submartingale,, supermartingale,, convergence in graph.,
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【期刊论文】Central Limit Theorems for Generalized Set-Valued Random Variables
李寿梅, Shoumei Li Yukio Ogura Madan L. Purl
Published in 《J. Math, Anal. Appl》 Vol. 285.(2003), 250-263,-0001,():
-1年11月30日
We griv central limit theorems for generalized set-valued random variables whose level sets are compact both in Rd or in a Banach space under milder conditions than those obtained recently by the latter two authors.
generalized set-valued random variable,, central limit theorem,, empirical processes,, the extended Hausdorff metric
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【期刊论文】A Convergence Theorem of Fuzzy Valued Martingales in the Extended Hausdorff Metric H∞
李寿梅, Shoumei Li
Published in 《Fuzzy Sets and Systems》 Vol. 135. No.3 (2003), 391-399,-0001,():
-1年11月30日
In this paper, we shall give a new embedding method to prove a convergence theorem for fuzzy valued random variables in the sense of the extended Haus-dorff metric H∞, without the restriction of fuzzy sets satisfying the Lipschitz condition.
fuzzy valued random variable,, fuzzy valued martin-gale,, the extended Hausdorff metric H∞.,
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50浏览
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