Research

• Bargmann invariants and local unitary equivalence, 

with Minghui Ma, July 2026, DOI: 10.48550/arXiv.2607.16878

• Kaplansky's second test problem in operator algebras, 

with Chunlan Jiang, Minghui Ma, and Yuanhang Zhang. July 2026, DOI: 10.48550/arXiv.2607.20593

• The similarity of irreducible operators in factors, 

with Minghui Ma and Shanshan Yang, April 2026, DOI: 10.48550/arXiv.2604.21482

• Operators with disconnected spectrum in von Neumann algebras, 

with Minghui Ma and Tianze Wang, February 2026, DOI: 10.48550/arXiv.2602.01424

• Products of irreducible operators in factors, 

with Minghui Ma, Junhao Shen, and Tianze Wang. December 2025, DOI: 10.48550/arXiv.2512.12162

• Irreducible operators in von Neumann algebras, 

with Sukitha Adappa, Minghui Ma, Junhao Shen, and Shanshan Yang. Proc. Amer. Math. Soc. Online, July (2026), doi.org/10.1090/proc/17815

• Reducible operators in non-Gamma type II1 factors, 

with Junhao Shen. Math. Ann. 394 (2026), no. 2, Paper No. 31, 38 pp. MR5031607

• Approximate equivalence of representations of AH algebras into semifinite von Neumann factors, 

with Junhao Shen. J. Noncommut. Geom. 18 (2024), no. 4, 1315–1348. MR4793456

• Normed ideal perturbation of irreducible operators in semifinite von Neumann factors, 

Integral Equations Operator Theory 93 (2021), no. 3, Paper No. 34, 25 pp. MR4270806

• On a composition of subfactors with group subfactors, 

with Xiaoyu Hu and Feng Xu. Sci. China Math. 64 (2021), no. 2, 373–384. MR4211133

• A generalization of Voiculescu's theorem for normal operators to semifinite von Neumann algebras, 

with Qihui Li and Junhao Shen. Adv. Math. 375 (2020), 107347, 55 pp. MR4135419

• Sum of irreducible operators in von Neumann factors, 

with Junhao Shen. Proc. Amer. Math. Soc. 148 (2020), no. 7, 2901–2908. MR4099778

• On irreducible operators in factor von Neumann algebras, 

• with Shilin Wen and Junsheng Fang. Linear Algebra Appl. 565 (2019), 239–243. MR3892720

• A note on representations of commutative  C*-algebras in semifinite von Neumann algebras, 

• with Don Hadwin. Oper. Matrices 12 (2018), no. 4, 1129–1144. MR3890754

• Perturbations of self-adjoint operators in semifinite von Neumann algebras: Kato-Rosenblum theorem, 

• with Qihui Li,  Junhao, and Liguang Wang. J. Funct. Anal. 275 (2018), no. 2, 259–287. MR3802483

• On a class of operators in the hyperfinite  II1  factor, 

• with Zhangsheng Zhu and Junsheng Fang. Math. Scand. 120 (2017), no. 2, 249–271. MR3657415

• On the uniqueness of Jordan canonical form decompositions of operators by  K-theoretical data, 

• with Chunlan Jiang. Canad. Math. Bull. 59 (2016), no. 2, 326–339. MR3492644

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• Stability of isometries between groups of invertible elements in Banach algebras, 

with Yunbai Dong. Funct. Anal. Appl. 49 (2015), no. 2, 106–109. MR3374901

• A reduction theory for operators in type  In  von Neumann algebras,

Houston J. Math. 40 (2014), no. 4, 1183–1224. MR3298746

• Similarity of multiplication operators on the Sobolev disk algebra, 

with Kui Ji. Acta Math. Sin. (Engl. Ser.) 29 (2013), no. 4, 789–800. MR3029290

• On a generalization of the Jordan canonical form theorem on separable Hilbert spaces, 

Proc. Amer. Math. Soc. 140 (2012), no. 5, 1593–160. MR2869143

• Direct integrals of strongly irreducible operators, 

with Chunlan Jiang. J. Ramanujan Math. Soc. 26 (2011), no. 2, 165–180. MR2816786