教育经历

2003.09---2007.07  陕西师范大学 数学与应用数学专业

2007.09---2010.07  中国海洋大学 数学科学学院 硕士学位

2010.11---2013.11  东芬兰大学 基础数学 博士学位

工作经历

2013年12月至2014年07月 太原理工大学 数学学院 讲师

2014年08月至2018年11月 太原理工大学 数学学院 副教授

2016年10月至2017年10月 香港城市大学 刘碧如数学科学研究中心 博士后

2018年11月至2021年12月 汕头大学 数学系 副教授

2022年01月至今      汕头大学 数学系 教授

研究介绍

复域上的差分方程

指数多项式的零点分布

科研成果

Ishizaki, Katsuya and Wen, Zhi-Tao, Possible orders of transcendental meromorphic solutions of linear difference equations with polynomial coefficients. To appear in Journal d’Analyse Mathématique.

Janne Heittokangas, Katsuya Ishizaki, Kazuya Tohge, Zhi-Tao Wen, Value distribution of exponential polynomials and their role in the theories of complex differential equations and oscillation theory, Bull. Lond. Math. Soc. 55 (2023), 1-77.

Jie Ding, Janne Heittokangas and Zhi-Tao Wen, A continuous transition from E-sets to R-sets and beyond, J. Geom. Anal. 33(2023), No. 9, Paper No. 278, 31pp.

Heittokangas, Janne; Ishizaki, Katsuya; Tohge, Kazuya; Wen, Zhi-Tao Dual exponential polynomials and a problem of Ozawa. Proc. Roy. Soc. Edinburgh Sect. A 152 (2022), no. 3, 701–719.

Ishizaki, Katsuya; Wen, Zhi-Tao Difference radical in terms of shifting zero and applications to the Stothers-Mason theorem. Proc. Amer. Math. Soc. 150 (2022), no. 2, 731–745.

Gundersen, Gary G.; Heittokangas, Janne M.; Wen, Zhi-Tao Contour integral solutions of linear differential equations which include a generalization of the Airy integral. Houston J. Math. 47 (2021), no. 2, 321–351.

Heittokangas, J.; Wang, J.; Wen, Z. T.; Yu, H. Meromorphic functions of finite  varphi-order and linear q-difference equations. J. Difference Equ. Appl. 27 (2021), no. 9, 1280–1309.

Heittokangas, Janne M.; Wen, Zhi-TaoGeneralization of Pólya's zero distribution theory for exponential polynomials, and sharp results for asymptotic growth. Comput. Methods Funct. Theory 21 (2021), no. 2, 245–270.

Heittokangas, Janne; Wen, Zhi-Tao The asymptotic number of zeros of exponential sums in critical strips. Monatsh. Math. 194 (2021), no. 2, 261–273.

Ishizaki, Katsuya; Wen, Zhi-Tao Binomial series and complex difference equations. J. Math. Anal. Appl. 497 (2021), no. 1, Paper No. 124844, 15 pp.

Heittokangas, Janne; Ishizaki, Katsuya; Tohge, Kazuya; Wen, Zhi-Tao Zero distribution and division results for exponential polynomials. Israel J. Math. 227 (2018), no. 1, 397–421.

Wen, Zhi-Tao; Gundersen, Gary G.; Heittokangas, Janne Dual exponential polynomials and linear differential equations. J. Differential Equations 264 (2018), no. 1, 98–114.

Wen, Zhi-Tao; Wong, Roderick; Xu, Shuai-Xia Global asymptotics of orthogonal polynomials associated with a generalized Freud weight. Chinese Ann. Math. Ser. B 39 (2018), no. 3, 553–596.

Wen, Zhi-Tao  Finite order solutions of difference equations, and difference Painleve equations IV. Proc. Amer. Math. Soc. 144 (2016), no. 10, 4247–4260.

Wen, Zhi-Tao; Ye, Zhuan Wiman-Valiron theorem for q-differences. Ann. Acad. Sci. Fenn. Math. 41 (2016), no. 1, 305–312.

Korhonen, Risto; Wen, Zhi-Tao Existence of zero-order meromorphic solutions in detecting q-difference Painleve equations. Trans. Amer. Math. Soc. 368 (2016), no. 7, 4993–5008.

Heittokangas, Janne; Laine, Ilpo; Tohge, Kazuya; Wen, Zhi-Tao  Completely regular growth solutions of second order complex linear differential equations. Ann. Acad. Sci. Fenn. Math. 40 (2015), no. 2, 985–1003.

科研项目

荣誉称号