【基本情形】
徐俊峰，，，教授、硕士生导师、院长。。2008年6月于山东大学获得博士学位。。2009年12月提升为副教授，，，2013年12月提升为教授。。2013年度广东省高校优异青年作育工具，，，广东省高校第六批"千百十工程"校级作育工具。。2009年度江门市“青年科技尖兵”。。主持国家自然科学基金一项，，，广东省自然科学基金四项，，，广东省教育厅科研项目三项；国家一流本科专业建设点认真人，，，省级课程思政树模教学团队--大学公共数学教学团队认真人，，，省级复变函数教学团队认真人。。加入国家自然科学基金面上项目及国际相助科研项目、教育部博士点基金及广东省自然科学基金10多项。。美国数学会《Mathematical Reviews》谈论员、广东省工业数学会理事、广东省现场统计学会常务理事。。
天下大学生数学建模竞赛广东省赛区优异指导西席，，，指导学生获天下大学生数学建模角逐国家、省级奖10多项；指导学生获“田家炳”师范手艺角逐天下三等奖；指导学生获“挑战杯”广东省一等奖等。。
【联系方式】
联系方式：：xujunf@gmail.com
【主讲课程】
本科生《数学剖析》《高等数学》《线性代数》《复变函数》《实变函数》以及研究生《复剖析选讲》《值漫衍理论》《复微分方程理论》等. 指导硕士研究生10多名。。
【主要研究偏向】
复剖析及其应用（Complex analysis and its applications）
【教学、科研项目】（部分）
1.主持广东省自然科学基金面上项目--复域微分-差分及函数方程的研究（No. 2021A1515010062） （2021年1月-2023年12月）（经费10万）
2.主持广东省自然科学基金面上项目--复域微分及差分方程的研究与应用 （No. 2018A0303130058）（2018年5月-2021年4月）（经费10万）
3.主持广东省高校特色立异项目(No. 2016KTSCX145)（2017年1月-2019年12月）（经费20万）
4.主持广东省自然科学基金面上项目（No. 2016A030313002） （2021年1月-2023年12月）（2016年1月-2018年12月）（经费10万）
5.主持广东省高校优异青年作育工具项目(No.Yq2013159) (2014年1月-2016年12月)（经费30万）
6.主持国家自然科学基金数学天元青年基金(No.11126327)（201201-201212）（经费3万）
7.主持广东省自然科学基金博士启动项目(No.9452902001003278)（2009年10月-2011年10月）（经费3万）
8.主持广东省教育厅高校优异青年人才培育项目(No.LYM08097)。。（2009年1月-2010年12月）（经费4万）
9.主持广东省教育厅质量工程项目--复变函数课程教学团队项目（2021年1月-2023年12月）（经费10万）
10.主持广东省高�？纬趟颊髂＝萄哦酉钅俊笱Ч彩Э纬趟颊萄哦�.（经费5万）
【揭晓学术论文】（部分）
[1] Junfeng Xu and Shuichao Ye, A unified inequality of differential polynomials related to small functions, Italian Journal of Pure and Applied Mathematics, 47(2022),664-674. (EI)
[2] Junfeng Xu, Libao Luo, Some q-shift difference results on Hayman conjecture and uniqueness theorems, Bull. Iran. Math. Soc. 48 (2022), no. 3, 1193-1204. (SCI)
[3] Dong Cheng, Kit Ian Kou, Yonghui Xia & Junfeng Xu (2022): Sampling expansions associated with quaternion difference equations, Linear and Multilinear Algebra, DOI: 10.1080/03081087.2022.2094863
[4] Feng Lv, Chun He, Junfeng Xu, A Remark on the Meromorphic Solutions in the FitzHugh–Nagumo Model, Bull. Malays. Math. Sci. Soc. (2021). 44(4), 2479-2488.(SCI)
[5] Feng Lv, Cuiping Li, Junfeng Xu, The Exact Entire Solutions of Certain Type of Nonlinear Difference Equations, J. Contemp. Math. Anal. 2021, 93(2):93-102. (SCI)
[6] Junfeng Xu, Jianxun Rong, Exponential polynomials and nonlinear differential-difference Equations, Journal of Function Spaces, 2020, (2020):1-10. (SCI)
[7] Feng Lv, Weiran, Lv, Cuiping Li, Junfeng Xu(通讯作者), Growth and Uniqueness Related to Complex Differential and Difference Equations, Rusults in Math，，，2019, 74:30. (SCI)
[8] 2. Junfeng Xu, Shuichao Ye, On the Zeros of the Differential Polynomial φ(z)f2(z)f′(z)2 – 1, Mathematics, 2019, 7(1), 87. (SCI)
[9] 3. Jianxun Rong, Junfeng Xu(通讯作者), Three Results on the nonlinear differential equations and differential-difference equations. Mathematics, 2019, 7(6):539. (SCI)
[10] 1. Ming-Sheng Liu,Yin-Miao Shang and Jun-Feng Xu, Bohr-type inequalities of analytic functions, Journal of Inequalities and Applications, (2018) 2018: 345. (SCI)
[11] 1.Feng Lu, Yanfeng Wang and JunfengXu(通讯作者),, Entire functions sharing a small function with their two difference operators, Advances in Difference Equations，，，2017(2017):216. (SCI)
[12] X.B. Zhang, J. F. Xu, Value sharing of meromorphic functions of differential polynomials of finite order, Journal of Computational Analysis and Applications,Vol 20, No. 6. 2016, 1097-1106. (SCIE)
[13] J. F. Xu, FengLv，，，Uniqueness theorem of meromorphic functions and their k-th derivatives sharing set, Journal of Computational Analysis and Applications,Vol 21, No. 1. 2016, 90-100(SCIE)
[14] X.B. Zhang,Y. Han, J. F. Xu, Uniqueness theorems of solutions of Painleve transcendents, J. Contemp. Math. Anal., 2016, Vol. 51, No. 4, pp. 208-214. (SCIE)
[15] F. Lv, J. F. Xu(通讯作者),, Two results on the normality criterion concerning holomorphic function, J. Contemp. Math. Anal., Vol 51, No. 1. 2016, 34-40.(SCIE)
[16] J.F.Xu, H.X. Yi, An inequality of differential polynomials related to small functions, J. Math Inequa. Vol 10, No.4. 2016, Vol 10, No.4. 2016, 971-976. SCIE
[17] C.P. Li, F.lv and J. F. Xu (通讯作者), Entire solutions of nonlinear differential-difference equations, Springerplus, (2016)5:609 (SCI)
[18] F. Lv, J. F. Xu(通讯作者),, H.X.Yi, A note on a famous theorem of Pang and Zalcman, Journal of Computational Analysis and Applications,Vol 18, No.4. 2015, pp. 662-669. (SCIE).
[19] X.B. Zhang, J. F. Xu, Further results on normal families of meromorphic functions concerning shared values, Journal of Computational Analysis and Applications,Vol 19, No. 2. 2015, pp. 310-318 (SCIE)
[20] M.S.Liu, Z.X. Liu, J. F. Xu, Landau-Type Theorems for Certain Biharmonic Mappings, Abstract and Applied Analysis, Volume 2014 (2014), Article ID 925947, 7 pages. (SCIE).
[21] M.S.Liu, J. F. Xu, M.Yang, Upper Bound of Second Hankel Determinant for Certain Subclasses of Analytic Functions, Abstract and Applied Analysis, Volume 2014 (2014), Article ID 603180, 12 pages. (SCIE).
[22] X.M. Zheng, H.Y. Xu and J.F. Xu, The fixed points of solutions of some q-difference equations, Abstract and Applied Analysis, Volume 2014 (2014), Article ID 262570, 6 pages.
[23] J. F. Xu , X. B. Zhang, A note on the shared set and normal family, Journal of Computational Analysis and Applications,Vol 15, No. 5. 2013,pp. 977-984 (SCIE).
[24] J. F. Xu, X. B. Zhang, Some results of meromorphic solutions of second-order linear differential equations, Journal of Inequalities and applications, Volume 2013 (2013), Article ID 304. (SCIE).
[25] J. F. Xu, Z.L. Zhang, Growth and fixed points of meromorphic solutions of nonhomogeneous linear differential equations，，，Advances in Difference Equations, 2013,2013:370(SCIE).
[26] F. Lv, J.F. Xu, Entire functions that share a function with their first and second derivatives, Ann. Polon. Math.Vol. 4, Issue. 2, 2012, pp. 63-70.(SCIE).
[27] J. F. Xu, X. B. Zhang, The zeros of difference polynomials of meromorphic functions, Abstract and Applied Analysis, Volume 2012 (2012), Article ID 357203, 13 pages. (SCIE).
[28] J. F. Xu, X. B. Zhang, The zeros of q-shift difference polynomials of meromorphic functions, Advances in Difference Equations, 2012,2012:200(SCIE).
[29] J. F. Xu, H.X. Yi and Z.L. Zhang, Some inequalities of differential polynomials II, Mathematical Inequalities & Applications, 14(2011), no.1, 93-100.(SCIE).
[30] X. B. Zhang, J. F. Xu(通讯作者),, Uniqueness of meromorphic functions sharing a small function and its applications, Computers and Mathematics with Applications, 61 (2011) 722-730. (SCI，，，EI)
[31] X. B. Zhang, J. F. Xu, Normality criteria of Lahiri's type and their applications, Journal of Inequalities and applications, Volume 2011 (2011), Article ID 873184, 16 pages. (SCIE).
[32] T.B. Cao, J. F. Xu, Z.X. Chen, On the meromorphic solutions of linear differential equations on the complex plane, J. Math. Anal. Appl., 364 (2010) 130–142 (SCI)
[33] J. F. Xu, F. Lv and H.X. Yi, Fixed-points and uniqueness of meromorphic functions, Computers and Mathematics with Applications, 59 (2010) 9–17. (SCI，，，EI)
[34] J. F. Xu, W.S. Cao, Some normality criteria of meromorphic functions, Journal of Inequalities and applications, Volume 2010 (2010), Article ID 926302, 10 pages. (SCIE)
[35] J. F. Xu, H.X. Yi, The Relation Between Solution of the differential Equation With Functions of Small Growth, Acta Math Sinica, Chinese Serias, 2010,53(2), 291-296.
[36] J. F. Xu, H.X. Yi and Z.L. Zhang, Some inequalities of differential polynomials, Mathematical Inequalities & Applications, 12(2009), no.1, 99-113.(SCIE).
[37] W.J. Chen, J. F. Xu(通讯作者),, Growth of meromorphic solutions of higher-order linear differential equations, EJQDE, (2009), no. 1, 1-13.(SCIE)
[38] J.F. Xu and H.X. Yi, Solutions of Higher Order Linear Differential Equations in an Angle, Applied Mathematics Letters, 22 (2009), 484-489.(SCI，，，EI).
[39] F. Lv, J.F. Xu and H.X. Yi, Uniqueness theorem and normal family of entire functions and their derivatives, Ann. Polon. Math. 95 (2009), 67-75.(SCIE).
[40] F. Lv, J. F. Xu, A. Chen, Uniquess theorems for entire functions and their first derivative, Arch Math. 2009, no.6, 593-601.（SCI）（SCI检索号：：460TX）0003-889X
[41] J.F. Xu and H.X. Yi, Growth and fixed points of meromorphic solutions of higher-order linear differential equations, Journal. Korean Math. Soc. 2009, 46(4), 747–758（SCIE).
[42] F. Lv, H.X.Yi and J. F. Xu, Some further results on weighted sharing three values and Brosch's theorem, Computers and Mathematics with Applications, (1)58( 2009), 11-24. (SCI，，，EI)
[43] J.F. Xu, Q. Han and J.L. Zhang, Uniquesness of entire function of a certain form, Bull. Korean.Math. Soc., 46 (2009), No. 6, pp. 1079–1089. (SCIE)
[44] J.F. Xu and H.X. Yi, On uniqueness of meromorphic functions with shared four values in some angular domains, Bull. Malaysian Math. Sc. Soc. (2)31(2008)，，，57-65. (SCIE)
[45] F. Lv, J.F. Xu(通讯作者),, Sharing set and normal families of entire functions and their derivatives, Houston Journal of Mathematics, 34(2008), no.4. 1213-1223. (SCIE).
[46] F. Lv, J.F. Xu and H.X. Yi, Entire functions that share one value with their linear differential polynomials, J. Math. Anal. Appl., 342(2008), 615--628.(SCI)
[47] J.F. Xu and H.X. Yi, Uniqueness of entire functions and differential polynomials, Bull. Korean Math. Soc. 44(2007), no. 4. 623--629.(SCIE)
【学术效果】
在《Appl.Math.Letter》《Houston. J.Math》《J. Math. Anal. Appl》《Jour. Korean. Math. Soc》《Arch. Math》《Computers & Math. Appl》《数学学报》《数学希望》等海内外著名学术刊物揭晓及任命60多篇学术论文（其中有40多篇论文被SCI收录)。。
