2020年5月-2025年6月，数学与统计学院副教授，2025年7月，数学与统计学院教授。

2020年7月起担任硕士生导师，2024年7月起担任博士生导师。

主要从事Poisson几何与高阶李理论的研究，在 J. Symplectic Geom., J.Noncommut.Geom., J. Algebra, Sci. China Math等国内外期刊上发表论文三十余篇。

目前研究兴趣：左对称代数、Poisson顶点代数和顶点代数的上同调理论及其应用。

Poisson几何与高阶李理论

主要文章：

1. Jiefeng Liu, Yunhe Sheng and Chengming Bai, Pre-symplectic algebroids and their applications, Lett. Math. Phys. 108 (2018): 779–804.

2. Jiefeng Liu，Yunhe Sheng and Chengming Bai, Compatible O-operators on bimodules over associative algebras,  J. Algebra 532 (2019), 80-118.

3. Jiefeng Liu and Yunhe Sheng, QP-structures of degree 3 and CLWX 2-algebroids, J. Symplectic Geom. 17(2019), 1853-1891.

4. Jiefeng Liu，Chengming Bai and Yunhe Sheng,  Noncommutative Poisson bialgebras,  J. Algebra 556 (2020), 35-66.

5. Jiefeng Liu，Yunhe Sheng and Chengming Bai,  F-manifold algebras and deformation quantization via pre-Lie algebras,  J. Algebra 559 (2020),467–495.

6. Jiefeng Liu and Yunhe Sheng, Homotopy Poisson algebras, Maurer-Cartan elements and Dirac structures of CLWX 2-algebroids, J. Noncommut. Geom. 15 (2021), 147–193.

7. Jiefeng Liu, Yunhe Sheng and Chengming Bai, Maurer-Cartan characterizations and cohomologies of compatible Lie algebras, Sci. China Math, 66 (2023), 1177–1198.

8. Jiefeng Liu and Hongyu Zhou, Cohomology and deformation quantization of Poisson conformal algebras, J. Algebra 630 (2023), 92–127. 

9. Lamei Yuan and Jiefeng Liu, Twisting theory, relative Rota-Baxter type operators and  L-infinity algebras on Lie conformal algebras, J. Algebra 636 (2023), 88–122.