姓 名：张宇

职 称：副教授

人才称号：云南省兴滇英才——青年人才

工作单位：云南师范大学数学学院数学系

电子邮箱：yuzhang13120@126.com

研究方向及招生情况

研究领域：偏微分方程；双曲守恒律

招生专业：应用数学

教育经历

2013.09——2016.06，云南大学，应用数学，博士

2010.09——2013.06，云南大学，应用数学，硕士

获奖情况

2023年获“红云园丁奖”

学术兼职

美国《数学评论》评论员

科研项目

2024.01-2027.12，国家自然科学基金地区项目（12361048），主持，在研

2024.12-2029.12，云南省“兴滇英才支持计划”青年人才专项项目，主持，在研

2024.03-2027.02，云南省科技厅基础研究专项--面上项目（202401AT070130），主持，在研

2021.04-2024.03，云南省科技厅基础研究专项--面上项目（202101AT070128），主持，已结题

2018.06-2021.06，云南省科技厅基础研究专项—青年项目（2018FD015），主持，已结题

2018.05-2020.05，云南省教育厅科学研究基金项目（2018JS150），主持，已结题

论 文

[1] Yu Zhang*, Yanyan Zhang, Delta shock waves as limits of vanishing viscosity for a 3×3 pressureless gas dynamics model with composite source terms, Z. Angew. Math. Mech. 105 (2025) e70157.

[2] Yu Zhang*, Chunwang Yan, Yanyan Zhang, Concentration and cavitation in the Euler equations for nonisentropic fluids with ideal polytropic dusty gas, Chaos Solitons & Fractals 199(1) (2025) 116620.

[3] Yu Zhang*, Xiaoyue Wei, Yanyan Zhang, Stability of Riemann solution for the relativistic Euler equations with Chaplygin gas under the perturbation of initial data, J. Math. Anal. Appl. 552(1) (2025) 129790.

[4] Yu Zhang*, Mengqi Cui, Yanyan Zhang, Stability of Riemann solutions to the isentropic Chaplygin gas equations with time-dependent external force, J. Math. Phys. 66 (2025) 011511.

[5] Yu Zhang*, Qun’e Dai, Riemann problem and vanishing pressure limit of solutions to the isentropic relativistic Euler equations for logarithmic gas, Physics of Fluids 37 (2025) 036134.

[6] Yu Zhang*, Shuai Fan, Limits of solutions to the Aw-Rascle traffic flow model with generalized Chaplygin gas by flux approximation, J. Math. Phys. 64 (2023) 051512.

[7] Yu Zhang*, Jinzhu Wu, Yanyan Zhang, Flux approximation to the Euler equations of compressible fluid flow for extended Chaplygin gas, Physics of Fluids 35 (2023) 116108.

[8] Yu Zhang*, Yicheng Pang, Concentration and cavitation in the vanishing pressure limit of solutions to a simplified isentropic relativistic Euler equations, J. Math. Fluid Mech. 23(1) (2021) Article No. 8.

[9] Yu Zhang*, Yanyan Zhang, Jinhuan Wang, Concentration in the zero-exponent limit of solutions to the isentropic Euler equations for extended Chaplygin gas, Asymptot. Anal. 122 (1-2) (2021) 35-67.

[10] Yu Zhang*, Yanyan Zhang, Riemann problem for a two-dimensional steady pressureless relativistic Euler equations, Math. Nachr. 294 (6) (2021) 1206-1229.

[11] Yu Zhang*, Yanyan Zhang*, Delta-shocks and vacuums in the relativistic Euler equations for isothermal fluids with the flux approximation, J. Math. Phys. 60 (1) (2019) 011508.

   [12] Yu Zhang*, Yanyan Zhang, Riemann problems for a class of coupled hyperbolic systems of conservation laws with a source term, Commun. Pur. Appl. Anal. 18(3) (2019) 1523-1545.

[13] Yu Zhang*, Yanyan Zhang, Jinhuan Wang, Interaction of delta shock waves for the Chaplygin Euler equations of compressible fluid flow with split delta functions, Math. Method. Appl. Sci. 41(17) (2018) 7678-7697.

[14] Yu Zhang, Hanchuan Yang*, Flux-approximation limits of solutions to the relativistic Euler equations for polytropic gas, J. Math. Anal. Appl. 435 (2) (2016) 1160-1182.

   [15]Hanchuan Yang*, Yu Zhang, Flux approximation to the isentropic relativistic Euler equations, Nonlinear Analysis Series A: Theory, Methods & Applications 133 (2016) 200-227