Rui SHI

Doctoral Degree

Hebei Normal University

Personal Information

Gender:Male
Business Address:数学楼315
E-Mail:

VIEW MORE

Personal Profile

ABOUT ME:

I am a professor at the School of Mathematical Sciences, Dalian University of Technology.

Research areas: operator theory and operator algebras (operator theory in von Neumann algebras, generator problem, irreducible operator, reducible operators, reduction theory in von Neumann algebras, C*-representation in von Neumann algebras).


CONTACT:

  • E-Mail: [firstName][lastName]@dlut.edu.cn

  • Office: School of Mathematical Sciences

    

EDUCATION:

  • Sep. 2007 to Jun. 2011: PH. D, Department of Mathematics, Hebei Normal University, Shijiazhuang, China.

  • Sep. 2004 to Jun. 2007: M.S., School of Science, Hebei University of Technology, Tianjin, China.

  • Sep. 2000 to Jul. 2004: B.S., School of Science, Hebei University of Technology, Tianjin, China.


POSITIONS:

  • Dec. 2022 to Present: Professor, School of Mathematical Science, Dalian University of Technology, Dalian, China.

  • Feb. 2025 to Feb 2026: Visiting Scholar, Department of Mathematics, University of New Hampshire, New Hampshire, US.

  • Mar. 2019 to May 2019: Visiting Scholar, Department of Mathematics, University of New Hampshire, New Hampshire, US.

  • Dec. 2016 to Dec. 2022: Associate Professor, School of Mathematical Science, Dalian University of Technology, Dalian, China.

  • Nov. 2015 to Oct. 2016: Visiting Scholar, Department of Mathematics, University of Puerto Rico, Puerto Rico, US.

  • Sep. 2013 to 2016: Assistant Professor, School of Mathematical Science, Dalian University of Technology, Dalian, China.

  • Sep. 2011 to 2013: Postdoctor Fellow, School of Mathematical Science, Dalian University of Technology, Dalian, China.

PUBLICATIONS:

  • Shen, Junhao; Shi, Rui. Reducible operators in non-Gamma type II1 factors. Math. Annalen, 2026, 394 (2), Article No. 31.

  • Shen, Junhao; Shi, Rui. Approximate equivalence of representations of AH algebras into semifinite von Neumann factors. J. Noncommut. Geom. 18 (2024), no. 4, pp. 1315–1348.

  • Fang, Junsheng; Jiang, Chunlan; Shi, Rui. Two problems on operators in type II1 factors. SCIENTIA SINICA Mathematica, 53(2023), no. 12, 1-10.

  • Shi, Rui. Normed ideal perturbation of irreducible operators in semifinite von Neumann factors. Integral Equations Operator Theory 93 (2021), no. 3, No. 34, 25 pp.

  • Hu, Xiaoyu; Shi, Rui; Xu, Feng. On a composition of subfactors with group subfactors. Sci. China Math. 64 (2021), no. 2, 373–384.

  • Li, Qihui; Shen, Junhao; Shi, Rui. A generalization of Voiculescu's theorem for normal operators to semifinite von Neumann algebras. Adv. Math. 375 (2020), 107347, 55 pp.

  • Shen, Junhao; Shi, Rui. Sum of irreducible operators in von Neumann factors. Proc. Amer. Math. Soc. 148 (2020), no. 7, 2901–2908.

  • Wen, Shilin; Fang, Junsheng; Shi, Rui. On irreducible operators in factor von Neumann algebras. Linear Algebra Appl. 565 (2019), 239–243.

  • Hadwin, Don; Shi, Rui. A note on representations of commutative C*-algebras in semifinite von Neumann algebras. Oper. Matrices 12 (2018), no. 4, 1129–1144.

  • Li, Qihui; Shen, Junhao; Shi, Rui; Wang, Liguang. Perturbations of self-adjoint operators in semifinite von Neumann algebras: Kato-Rosenblum theorem. J. Funct. Anal. 275 (2018), no. 2, 259–287.

  • Zhu, Zhangsheng; Fang, Junsheng; Shi, Rui. On a class of operators in the hyperfinite II1 factor. Math. Scand. 120 (2017), no. 2, 249–271.()()

  • Zhu, Zhangsheng; Fang, Junsheng; Shi, Rui. Von Neumann algebras generated by two unitary operators u and v with u2=v3=1. J. Math. Anal. Appl. 453 (2017), no. 2, 1139–1144.

  • Jiang, Chunlan; Shi, Rui. On the uniqueness of Jordan canonical form decompositions of operators by K-theoretical data. Canad. Math. Bull. 59 (2016), no. 2, 326–339.

  • Dong, Yunbai; Shi, Rui. Stability of isometries between groups of invertible elements in Banach algebras. Translation of Funktsional. Anal. i Prilozhen. 49 (2015), no. 2, 34–38. Funct. Anal. Appl. 49 (2015), no. 2, 106–109.

  • Shi, Rui. A reduction theory for operators in type I_n von Neumann algebras. Houston J. Math. 40 (2014), no. 4, 1183–1224.

  • Shi, Rui. On the uniqueness of the strongly irreducible decompositions of operators up to similarity. Houston J. Math. 40 (2014), no. 2, 447–465.

  • Ji, Kui; Shi, Rui. Similarity of multiplication operators on the Sobolev disk algebra. Acta Math. Sin. (Engl. Ser.) 29 (2013), no. 4, 789–800.

  • Shi, Rui. On a generalization of the Jordan canonical form theorem on separable Hilbert spaces. Proc. Amer. Math. Soc. 140 (2012), no. 5, 1593–1604.


CONFERENCE AND WORKSHOP:

  • October 20-24, 2025 - The Great Plains Operator Theory Symposium (GPOTS 2025), University of Puerto Rico, San Juan, Puerto Rico, US,Invited talk, Title: Density of irreducible operators in the trace-class norm.

  • August 19-23, 2024 - 第十三届全国算子理论与算子代数会议 (The 13th National Conference on Operator Theory and Operator Algebras.), Taiyuan, Shanxi, China,Plenary talk, Title: Hilbert 空间上有界线性算子的迹类小扰动.

  • August 7-11, 2023 - International Conference on Noncommutative Geometry, Hebei Normal University and Yanshan University, Qinhuangdao, Hebei, China,Member of the organizing committee.

  • August 13-16, 2023 - 第十二届全国算子理论与算子代 数会议 (The 12th National Conference on Operator Theory and Operator Algebras.), Dalian, Liaoning, China,Member of the organizing committee.

  • December 19-23, 2022 - International Conference on C*-algebras and Non-commutative Geometry, Dalian, Liaoning, China,Member of the organizing committee.

  • July 17-23, 2019 - Conference on Operator Theory and Operator Algebras, and Summer School on Dynamical System, Shijiazhuang, Hebei, China,Invited talk, Title: Irreducible and reducible operators in factor von Neumann algebras.

  • October 27-30, 2017 - 第九届全国算子理论与算子代 数会议 (The 9th National Conference on Operator Theory and Operator Algebras.), Dalian, Liaoning, China,Member of the organizing committee.





Representative Works

2007.09  to  2011.07
河北师范大学 | 基础数学 | Doctoral Degree

2004.09  to  2007.07
河北工业大学 | 应用数学 | Master's Degree

2000.09  to  2004.07
河北工业大学 | 数学与应用数学 | Bachelor's Degree

2022.12  to  Now
大连理工大学 | 教授

2016.12  to  2022.12
Dalian University of Technology | School of Mathematical Sciences | 副教授 | Associate Professor

2013.09  to  2016.12
大连理工大学 | 讲师

2011.07  to  2013.09
大连理工大学 | 博士后研究员

Functional Analysis (Operator Theory and Operator Algebras)

No Content

Research Group

Name of Research Group:算子理论与算子代数科研团队

Description of Research Group:算子理论与算子代数是泛函分析领域中一个比较活跃的研究分支。这个分支与几何、代数、拓扑、遍历、动力系统、数学物理等多个领域交叉。团队成员主要研究兴趣为算子分类理论、结构理论、扰动理论,以及算子代数的分类理论、表示理论,近些年围绕相关问题取得了一系列前后相关联的研究成果。