张伟
姓名：张伟
职称：副教授
办公室：502
研究方向：Numbers
教育背景：2017.09-2020.06，博士，山东大学
工作经历：2020.07-2025.12，河南大学，讲师
2026.01-至今 河南大学，副教授
代表性学术论文:
(23)Tianze Wang and Wei Zhang(通讯), The breakthrough of the barrier 1/2 for the Fourier coefficients of Hecke-Maass cusp forms over fractional sequence. Accepted by Science China Mathematics
(22)Wei Zhang, On density of the zeros of Dedekind zeta-functions. Acta Math Hung.(2026). https://doi.org/10.1007/s10474-026-01590-2
(21)Wei Zhang, On general divisor functions over Piatetski-Shapiro sequences. Lith Math J (2026). https://doi.org/10.1007/s10986-026-09714-5
(20)Zihao Dang(研究生) and Wei Zhang(通讯), On a variant of the prime number theorem in arithmetic progressions. Bull. Malays. Math. Sci. Soc. 49 (2026), no. 1, Paper No. 55, 13 pp.
(19)Wei Zhang, Oscillations of Hecke eigenvalues twisted with exponential functions. Mediterr. J. Math. 23 (2026), no. 1, Paper No. 45, 28 pp.
(18)Jiaqi Liu(研究生) and Wei Zhang(通讯), On a sum involving certain arithmetic functions on Piatetski-Shapiro, Beatty and fractional sequences. Houston J. Math. 51 (2025), no. 2, 291–307.
(17)Wei Zhang, On (k,r)-integers related to the Piatetski-Shapiro sequences. Bull. Belg. Math. Soc. Simon Stevin 32 (2025), no. 4, 461–468.
(16)Rui Zhang and Wei Zhang(通讯), On Exceptional Sets for Waring-Goldbach Problems with Unlike Powers. Front. Math. 20 (2025), no.5, 1061-1070. (15)Wei Zhang, On an exponential sum related to the Mobius function. Proc. Amer. Math. Soc. 152 (2024), no. 04, 1373-1376.
(14)Wei Zhang, On a variant of the prime number theorem. J. Number Theory 257 (2024), 163-185.
(13)Wei Zhang, On mean values for the exponential sum of divisor functions. Int. J. Number Theory 20 (2024), no. 7, 1895-1899.
(12)Wei Zhang, A note on simple zeros related to Dedekind zeta functions. Ramanujan J. 64 (2024), no. 2, 333-341.
(11)Wei Zhang, On general sums involving the floor function with applications to k-free numbers. Lith. Math. J. 63 (2023), no. 4, 547-556.
(10)Wei Zhang,On squares of Fourier coefficients twist exponential functions with applications. Int. J. Number Theory 19 (2023), no. 8, 1953-1965.
(9)Wei Zhang,On k-free numbers over Beatty sequences. Czechoslovak Math. J. 73(148) (2023), no. 3, 839-847.
(8)Wei Zhang, On fractional sums of the divisor functions. Int. J. Number Theory 19 (2023), no. 6, 1379-1386.
(7)Wei Zhang,On the divisor function over non-homogeneous Beatty sequences. Bull. Aust. Math. Soc. 106 (2022), no. 2, 280–287.
(6)Xiumin Ren, Wei Zhang(通讯), On sums of biquadrates of almost equal primes. Ramanujan J. 57 (2022), no. 1, 71-78.
(5)Xiumin Ren, Wei Zhang(通讯), Averages of exponential twists of the von Mangoldt function. Bull. Aust. Math. Soc. 106 (2022), no. 3, 425-430.
(4)Wei Zhang, On squares in Piatetski-Shapiro sequences.Funct. Approx. Comment. Math 65(2021), no. 2, 227-236.
(3)Wei Zhang, Some results on divisor problems related to cusp forms. Ramanujan J. 53(2020), 75–83.
(2)Wei Zhang, Fourier coefficients at primes twisted with exponential functions. J. Number Theory 201 (2019), 280-291.
(1)Xiumin Ren, Wei Zhang(通讯), Zero-density estimate of L-functions for cusp forms. J. Number Theory 194 (2019), 284---296.
社会兼职：
美国《数学评论》评论员
Editor of JP Journal of Algebra, Number Theory and Applications (indexed by ESCI)
主讲课程：
Calculus, 高等数学A/B
科研项目:
3、L-函数的若干问题(12401004),国家自然科学基金青年基金,主持，2025-2027
2、数论中的若干问题(242300421676),河南省自然科学基金青年基金，主持，2024-2025
1、Piatetski-Shapiro 序列中的平方数(202102041), 河南省博士后基金，主持 2021-2021
研究生培养：
2022级硕士：2名， 2023级硕士：2名
指导学生获奖情况
[1]2024年指导学生参加第十届全国大学生统计建模大赛获河南赛区本科组三等奖.