刘琪, 安徽东至人, 理学博士。 2015年6月本科毕业于安庆师范大学，2018年6月硕士毕业于沈阳工业大学（导师为吕刚教授），2022年6月在中山大学获理学博士学位，2022年10月遴选为硕士生导师。主要感兴趣的研究方向为泛函分析及其应用、微分方程理论与应用。担任 Rocky Mountain Journal of Mathematics，Mathematical Methods in the Applied Sciences 等国际SCI学术期刊审稿人, 担任美国《数学评论》评论员。

近期发表学术论文

[1] Gang Lu, Qi Liu, Yuanfeng Jin, Jun Xie. 3-variable Jensen ρ-functional inequalities and equations, J. Nonlinear Sci. Appl，2016.

[2] Gang Lu, Jun Xie, Yuanfeng Jin and Qi Liu. Functional inequalities in vector Banach space, Journal of computational analysis and applications, 2017.

[3] Yongjin Li, Qi Liu, Qingying Bu. On Cohen weakly nuclear multilinear operators (in Chinese), 中国科学（数学）, 2020.

[4] Anwarud Din, Yongjin Li , Qi Liu. Viral dynamics and control of hepatitis B virus (HBV) using an epidemic model, Alexandria Engineering Journal，2020.

[5] Aliyu AI, Yongjin Li, Qi Liu, Inc M, Baleanu D, Alshomrani AS. Lump-Type and Bell-Shaped Soliton Solutions of the Time-Dependent Coefficient Kadomtsev-Petviashvili Equation, Front. Phys, 2020.

[6] Qi Liu, Muhammad Sarfraz, Yongjin Li. Some aspects of generalized Zbaganu and James constant in Banach spaces, Demonstratio Mathematica，2021.

[7] Qi Liu, Chuanjiang Zhou,Muhammad Sarfraz, Yongjin Li. On New Moduli Related to the Generalization of the Parallelogram Law, Bull. Malays. Math. Sci. Soc，2021.

[8] Shaoyong Zhang, Qi Liu, Yongjin Li. Order Continuity of Positive Tensor Products of Banach Lattices, 数学学报(中文版), 2021.

[9] Qi Liu, Shaomo Zhuang, Yongjin Li. Additive double ρ-functional inequalities in β-homogeneous F-spaces, Journal of mathematical inequalities, 2021.

[10] Muhammad Sarfraz, Fawad Ali, Qi Liu, Yongjin Li. Characterization of a group-norm by maximum functional equation and stability results, ScienceAsia, 2021.

[11] Qi Liu, Yongjin Li. On a New Geometric Constant Related to the Euler-Lagrange Type Identity in Banach Spaces, Mathematics, 2021.

[12] Huayou Xie, Qi Liu, Yongjin Li. The generalized rectangular constant on isosceles orthogonality, Southeast Asian Bulletin of Mathematics, 2021.

[13] Qi Liu, Linlin Fu, Yongjin Li. On the Stability of Orthogonal Additivity in β-Homogeneous F -Spaces, Journal of Mathematical Research with Applications, 2022.

[14] Dongwen Zhang, Qi Liu, Rassias John, Yongjin Li. The Stability of Functional Equations with a New Direct Method, Mathematics, 2022.

[15] Linlin Fu, Qi Liu*, Yongjin Li. On the stability of orthogonally Jensen additive and quadratic functional equation, J. Math. Anal. Appl, 2023.

[16] Wenlong Sun, Yuanfeng Jin, Zufeng Peng, Qi Liu. Two new self-adaptive algorithms for solving split common fixed point problems with multiple output sets, Optimization, 2023.

[17] Gang Lu, Wenlong Sun, Yuanfeng Jin, Qi Liu. Ulam Stability of Jensen Functional Inequality on a Class of Noncommutative Groups，Journal of Function Spaces，2023.

[18] Yuankang Fu, Zhijian Yang，Yongjin Li, Qi Liu. On Some Skew Constants in Banach Spaces，Kyungpook Mathematical Journal，2023.

[19] Qi Liu, Aeshah A. Raezah, Anwarud Din. Lévy impact on the transmission of worms in wireless sensor network: Stochastic analysis，Results in physics，2023.

[20] Yin Zhou（指导的硕士研究生）, Qichuan Ni（指导的本科生）, Qi Liu. Geometric constants and orthogonality in Banach spaces，Contributions to Mathematics，2023.

[21] Yiheng Hu, Gang Lu, Yuanfeng Jin, Qi Liu. Exploration of indispensable Banach-space valued functions，AIMS Mathematics，2023.

[22] Qi Liu, Anwarud Din, Amina Allali. Analysis of a multiply delayed stochastic Ebola model based on probability density function with case study, Eur. Phys. J. Plus, 2023.

[23] Muhammad Sarfraz, Jiang Zhou, Qi Liu, Yongjin Li. Generalized Vincze’s functional equations on any group in connection with the maximum functional equation, Aequat. Math, 2024.

[24] Qichuan Ni（指导的本科生）, Qi Liu*, Yin Zhou, Qin Qian（指导的本科生）. The Constants to Measure the Differences Between Isosceles and α-β Orthogonalities, European Journal of Mathematical Analysis, 2024.

[25] Qichuan Ni（指导的本科生）, Qi Liu*, Yin Zhou. Skew generalized von Neumann-Jordan constant in Banach spaces, Hacet. J. Math. Stat, 2024.

[26] Yang Xu, Zhouping Yin, Yuanzhi Wang, Qi Liu and Anwarud Din. Mittag-Leffler projective synchronization of uncertain fractional-order fuzzy complex valued neural networks with distributed and time-varying delays, AIMS Mathematics, 2024.

[27] Jinyu Xia（指导的硕士研究生）, Qi Liu*, Yuxin Wang, Wenhui Xu（指导的本科生）, Yongmo Hu, Yongjin Li. Orthogonality of skew type and characterization of inner product spaces, Arab. J. Math, 2024.

[28] Qi Liu et al. Pathway to Iterative Schemes Via Error Boundaries of Maclaurin’s Rule, Fractal and fractional, 2024.

[29] Ranran Wang（指导的本科生） , Qi Liu*, Jinyu Xia, Silvestru Sever Dragomir. Some study of the orthogonalities based on double integrals, Rendiconti del Circolo Matematico di Palermo Series 2, 2024.

[30] Qi Liu, Yin Zhou, Jinyu Xia, Anwarud Din. Stochastic analysis of a HBV epidemic model with two-dimensional noises, Chaos, Solitons and Fractals, 2025.

[31] Jinyu Xia（指导的硕士研究生）, Qi Liu*, Yin Zhou, Zhiyong Rao and John Michael Rassias. Some studies on Euler-Lagrange quartic functional equations in β-normed spaces，Journal of Applied Analysis and Computation, 2025.

[32] 夏金宇, 刘琪，梁琪琳（指导的本科生）, β-齐次F 空间中平行四边形型方程及其不等式的稳定性，曲阜师范大学学报(自然科学版), 2025.

[33] Sarfraz, M.，Zhou, J.，Islam, M.，Rasheed, A.，Qi Liu. Dynamic Analysis of a 10-Dimensional Fractional-Order Hyperchaotic System Using Advanced Hyperchaotic Metrics， Fractal Fract.， 2025.

[34] Yuxin Wang（指导的硕士研究生）, Qi Liu*, Wang, Y, Li, Q, Li, Y.J. A new geometric constant based on isosceles orthogonality, Journal of Mathematical Research with Applications., 2025.

[35] Yuxin Wang（指导的硕士研究生）, Qi Liu*, Li, Q, Huang, Q. Some aspects of skew generalized Zbaganu constant in Banach spaces, Journal of Fixed Point Theory and Applications., 2025.

[36] 李谦，殷周平，刘琪，汤瑞，Banach 空间中 Von Neumann-Jordan 常数型的新常数，哈尔滨理工大学学报，2025.

[37] Qian Li，Zhouping Yin, Yuxin Wang, Qi Liu and Hongmei Zhang. A new constant in Banach spaces based on the Zbaganu constant CZ(B), AIMS Mathematics, 2025.

[38] 刘琪，周寅（指导的硕士研究生），夏金宇，付林林，l_p空间中拟范数常数的计算，廊坊师范学院学报，2025.

[39] Qi Liu et al. Hermite-Hadamard’s like inequalities via symmetric quantum calculus, Ain Shams Engineering Journal., 2025.

[40] Yuxin Wang（指导的硕士研究生）, Qi Liu*, Jinyu Xia, Shuaizhe Huang. The skew generalized von Neumann-Jordan constant in the unit sphere, Journal of Mathematical Inequalities., 2025.

[41] 汪冉冉，刘琪，周寅，具有Hermite-Hadamard形式的积分近似正交性，乐山师范学院学报，2025.

[42] Jinyu Xia(指导的硕士研究生), Qi Liu*, Yuxin Wang, Ranran Wang, Anwarud Din. Wireless sensor network disease and numerical scheme based on Newton polynomial under Fractal-fractional operator, Mathematical Methods in the Applied Sciences, 2025.

[43] Qichuan Ni（指导的本科生）, Qi Liu*, Yin Zhou. Some aspects of new skew geometric constants in Banach spaces, Mathematical Inequalities & Applications, 2025.

[44] Gang Lyu, Yingxiu Jiang, Qi Liu, Choonkil Park. The Stability of the Generalized Functional Equation, European Journal of pure and applied mathematics,2025.

[45] Yuxin Wang(指导的硕士研究生), Qi Liu*, Linhui Chen(指导的本科生）,Xiewei Tan(指导的本科生）,Muhammad Sarfraz. On the L_{Y J}(\xi, \eta, X) constant for the Banaś-Frączek space, Rendiconti del Circolo Matematico di Palermo Series 2,2025.

[46]Qichuan Ni（指导的本科生）, Qi Liu*, Yuxin Wang, Jinyu Xia, Ranran Wang. Symmetric form geometric constant related to isosceles orthogonality in Banach spaces,Filomat,2025.

[47]Huayou Xie， Qi Liu, Yongjin Li. Generalized rectangular modulus related to isosceles orthogonality in Banach spaces, Bull. Malays. Math. Sci. Soc.,2025.

[48]Jiahao Li, Zhouping Yin*, Qian Li, Qi Liu, et al. Global exponential lag projective synchronization of fractional - order fuzzy neural networks with time delays,Journal of Applied Mathematics and Computing,2026.

[49]Yuxin Wang, Qi Liu*, Jinyu Xia, Mengmeng Bao et al. Quantitative assessment of HIV transmission dynamics with spatial diffusion: Parameter estimation, Journal of Applied Mathematics and Computing,2026.

[50]Jiaye Bi, Qi Liu* et al. Two Geometric Constants Measuring Differences Between Orthogonality Types in Banach Spaces，Mediterranean Journal of Mathematics，2026.

学术科研

在Banach空间几何常数的探索中，我们取得了一些结果：将若干经典常数推广至含扭曲参量的形式，给出了部分经典常数基于等腰正交的等价形式。与维也纳大学不等式领域学者Silvestru Sever Dragomir教授、雅典国立卡波蒂斯坦大学泛函方程稳定性研究学者John Michael Rassias教授、韩国汉阳大学稳定性领域学者Choonkil Park教授，以及密西西比大学张量积研究学者Qingying Bu教授展开合作，共同取得了一些研究进展。

讨论班安排

非常欢迎同样对数学有浓厚兴趣的学生。大家一起学习数学、研究数学。本人每学期会开讨论班，一般每周一个半天或更多，欢迎有兴趣的同学参加。 讨论班安排：每周五下午17:00--18:30. 地点：数理楼六楼空教室，一般在601教室或者602教室。

讨论班内容：泛函分析、方程稳定性、分数阶微分方程等相关内容。

讨论班读书计划： [1] Evans, L.C., Gariepy, R.F.: Measure Theory and Fine Properties of Functions—Revised Edition.Text 
books in Mathematics. CRC Press, Boca Raton (2015) [2] V.Ambrosio, Nonlinear fractional Schrödinger equations in R^N” ,Cham, Birkhäuser/Springer, 2021, p. xvii+662.

本科生指导情况

与本科生合作发表学术论文情况

• 倪其川：与团队同学合作发表 6 篇学术论文，其中以第一作者身份在中科院 SCI 期刊发表论文 3 篇。

• 汪冉冉：与团队同学合作发表 2 篇中科院 SCI 论文，其中一篇以第一作者身份发表。

• 黄帅喆：与团队同学合作以通讯作者身份发表中科院 SCI 论文1篇。

• 王    媛：与团队同学合作发表 CSCD 期刊论文 1 篇。

• 陈林辉、谈协伟：与团队同学合作发表中科院 SCI 论文1 篇。

• 许文慧：与团队同学合作发表 2 篇学术论文，其中 1 篇以第一作者身份发表。

研究生指导情况

在读与毕业学生概况

• 周寅（已毕业）：本科毕业于安庆师范大学，现已考取重庆师范大学博士研究生。

• 夏金宇（研二）：本科毕业于安庆师范大学，目前担任美国数学评论评论员（编号：MR1647296）。

• 汪雨馨（研一）：本科毕业于淮北师范大学，曾获全国大学生数学竞赛安徽赛区一等奖。

学术研究课题

参与国家自然科学基金面上项目"拟Banach空间的几何性质和向量积”.