2023年春，肆孽在祖国大地三年的新冠疫情终于划上了句号。回望这段艰难的时光，杨必成教授及其科研团队成员逆境而上，坚持组织好课题研究，日夜笔耕奔忙，终于取得骄人成绩：在已发表的69篇合作论文中，有51篇为SCI收录，2篇在权威期刊，还出版了5本专著，诚可谓硕果累累！ 2021年9月18日，杨必成应邀参加了在“北京会议中心”举行的“第十九届中国科学家（国际）论坛”，荣获大会颁发《“十四五”科技强国创新驱动领军人物》证书及奖牌； 同年10月19日,《我是科学人》栏目视频:《杨必成：执于探微，不负数学一生》获挂《学习强国》网站，至今已有超19000人次的阅读记录；2022年10月10日，杨必成光荣入册美国斯坦福大学版“全球前2%顶尖科学家”的“终身影响力排行版（1960-2021年）”榜单。

一、发表成果（论文69篇，专著5本）：

（1）英文论文(51篇，SCI收录)：

1. Bicheng Yang, Shanhe Wu and Jianquan Liao. On a new extended Hardy-Hilbert’s inequality with parameters. Mathematics, 2020,8,73; doi:10.3390/ math8010073. （中译题目《关于一个推广的含参数Hardy-Hilbert不等式》）

2. Bing He and Bicheng Yang. A Mulholland-type inequality in the whole plane with multi parameters. Journal of King Saud University–Science , 2020, 32, 245-250. （中译题目《一个全平面含参数的Mulholland型不等式》）

3. Hongmin Mo and Bicheng Yang. On a new Hilbert-type integral inequality involving the upper limit functions. Journal of Inequalities and Applications (2020) 2020:5. （中译题目《一个新的涉及可变上限函数的Hilbert型积分不等式》）

4. Xing Shou Huang, Ricai Luo and Bicheng Yang. On a new extended half-discrete Hilbert’s inequality involving partial sums. Journal of Inequalities and Applications (2020) 2020:16.（中译题目《关于一个新的推广的涉及部分和的半离散Hilbert不等式》）

5. Bicheng Yang, Shanhe Wu and Qian Chen, On an extended Hardy-Littlewood -Polya’s inequality. AIMS Mathematics, 2020, 5(2), 1550-1561.（中译题目《关于一个推广的Hardy-Littlewood-Polya不等式》）

6. Jianqua Liao, Shanhe Wu and Bicheng Yang. On a new half-discrete Hilbert-type inequality involving the variable upper limit integral and the partial sum. Mathematics, 2020,8,229; doi:10.3390/math8020229. （中译题目《关于一个新的涉及可变上限积分与部分和的半离散Hilbert型不等式》）

7. Bicheng Yang, Meifa Huang, and Yanru Zhong. Equivalent statements of a more accurate extended Mulholland’s inequality with a best possible constant factor. Mathematical Inequalities and Applications , 2020, 23(1),231-244.（中译题目《一个较为精确推广的具有最佳常数因子的Mulholland不等式的等价描述》）

8. Bicheng Yang, Shanhe Wu and Aizhen Wang. A new Hilbert-type inequality with positive homogeneous kernel and its equivalent form. Symmetric , 2020, 12, 342; doi:10.3390/ sym12030342 （中译题目《一个新的具有正齐次核的Hilbert型积分不等式及其等价式》）

9.Zhenxiao Huang, Yanping Shi and Bicheng Yang. On a reverse extended Hardy-Hilbert’s inequality. Journal of Inequalities and Applications (2020), 2020:68. （中译题目《关于一个逆向推广的Hardy-Hilbert不等式》）

10.M. Th. Rassias, B.C. Yang and A. Raigorodskii. On Hardy-type integral inequality in the whole plane related to the extended Hurwitz-zeta fanction. Journal of Inequalities and Applications (2020), 2020: 94. （中译题目《一个全平面联系推广的Hurwitz-zeta 函数的Hardy型积分不等式》）

11.Jianqua Liao, Yong Hong and Bicheng Yang. Equivalent conditions of a Hilbert-type multiple integral inequality holding. Journal of Function Spaces, Volume 2020, Article ID 3050952, 6 pages. （中译题目《一个Hilbert型多重积分不等式存在的等价条件》）

12.Aizhen Wang and Bicheng Yang. Equivalent property of a more accurate half-discrete Hilbert’s Inequality . Journal of Applied Analysis and Computation, Volume 10, Number 3, 2020, 920-934. （中译题目《一个较为精确的半离散Hilbert不等式的等价性质》）

13.Yong Hong, Jianqua Liao, Bicheng Yang and Qiang Chen. A class of Hilbert-type multiple integral inequalities with the kernel of generalized homogeneous function and its applications. Journal of Inequalities and Applications (2020), 2020: 140. （中译题目《一类具有一般齐次核函数的Hilbert型多重积分不等式及应用》）

14. Bicheng Yang, Shanhe Wu and Qiang Chen. A new extension of Hardy-Hilbert’s inequality containing kernel of double power functions. Mathematics, 2020,8, 339; doi:10.3390/ math8060894. （中译题目《一个新的推广的包含两个幂函数的Hardy-Hilbert不等式》）

15. M. Th. Rassias, B.C. Yang and A. Raigorodskii. On the reverse Hardy-type integral inequalities in the whole plane with the extended Riemann-Zeta function. Journal of Mathematics Inequalities, 2020, 14(2) : 525 -546. （中译题目《一个逆向的全平面联系推广的Riemann-Zeta函数的Hilbert型积分不等式》）

16. Bicheng Yang and Yanru Zhong. On a reverse Hardy-Littlewood-Polay’s inequality. Journal of Applied Analysis and Computation, Volume 10, Number 5, 2020, 2220-2232. （中译题目《一个逆向的Hardy-Littlewood-Polay不等式》）

17. Weiliang Wu and Bicheng Yang. A few equivalent statements of a Hilbert-type integral inequality with the Reimann-zeta function. Journal of Applied Analysis and Computation, Volume 10, Number 6, 2020, 2400-2417.（中译题目《一个联系Riemann-Zeta函数的Hilbert型积分不等式的几个等价陈述》）

18. Zhaohui Gu and Bicheng Yang. On an extended Hardy-Hilbert’s inequality in the whole plane. Journal of Applied Analysis and Computation, Volume 10, Number 6, 2020, 2619-2630.（中译题目《一个全平面联系推广的Hardy-Hilbert不等式》）

19. Qiang Chen and Bicheng Yang. A reverse Hardy–Hilbert-type integral inequality involving one derivative function. Journal of Inequalities and Applications (2020), 2020: 259. （中译题目《一个逆向的涉及导函数的Hardy-Hilbert积分不等式》）

20. Qiang Chen and Bicheng Yang. On a parametric more accurate Hilbert-type inequality. Journal of Mathematical Inequalities, 2020, 14(4) : 1135 -1149. （中译题目《关于一个较为精确的参量化Hilbert型不等式》）

21.Aizhen Wang and Bicheng Yang. Equivalent statements of a Hilbert-type integral inequality with the extended Hurwitz zeta function in the whole plane. Journal of Mathematical Inequalities, 2020, 14(4) : 1039 -1054.（中译题目《一个联系推广的Hurwitz zeta函数的全平面Hilbert型不等式的等价陈述》）

22. M. Th. Rassias, B.C. Yang and A. Raigorodskii. On a more accurate reverse Hilbert-type inequality in the whole plane. Journal of Mathematical Inequalities, 2020, 14(4) : 1359 -1374.（中译题目《一个较为精确逆向的全平面Hilbert型不等式》）

23. Xingshou Huang and Bicheng Yang.On a more accurate Hilbert-type inequality in the whole plane with the general homogeneous kernel. Journal of Inequalities and Applications (2021), 2021: 10. （中译题目《一个较为精确的全平面Hilbert型不等式》）

24. Michael Th. Rassias, Bicheng Yang and Andrei Raigorodsii. A Hilbert-type integral inequality in the whole plane related to the Arc tangent function. Symmetry 2021, 13, 351. （中译题目《一个联系反正切函数的全平面Hilbert型积分不等式》）

25. Ricai Luo, Bicheng Yang and Xingshou Huang, On a reverse Mulholland-type inequality in the whole plane with general homogeneous kernel. Journal of Inequalities and Applications (2021), 2021: 46. （中译题目《一个具有一般齐次核的全平面逆向Mulholland 不等式》）

26. Qiliang Huang, Bicheng Yang. On a more accurate Hardy-Hilbert’s inequality in the whole plane. Int. J. Nonlinear Anal. Appl. 12 (2021) No. 1, 1167-1179. （中译题目《一个较为精确的全平面Hardy-Hilbert 不等式》）

27. Jianghua Zhong and Bicheng Yang. On a multiple Hilbert-type integral inequality involving the upper limit functions. Journal of Inequalities and Applications (2021), 2021: 17.（中译题目《一个多重的联系可变上限函数的Hilbert型积分不等式》）

28. M. Th. Rassias, B. C. Yang and A. Raigorodskii. Equivalent properties of two kinds of Hardy-type integral inequalities. Symmetry 2021, 13, 1006. （中译题目《两类Hardy型积分 不等式的等价性质》）

29. Bing He , Yong Hong, Zhen Li and Bicheng Yang . Necessary and sufficient conditions and optimal constant factors for the validity of multiple integral half-discrete Hilbert type inequalities with a class of quasi-homogeneous kernels. Journal of Applied Analysis and Computation, 2021,11(1), 521-531. （中译题目《联系多重半离散Hilbert型积分不等式具有最佳常数因子的等价条件》）

30. Bicheng Yang, Shanhe Wu and Aizhen Wang. A new reverse Mulholland-type inequality with multi-parameters. AIMS Mathematics, 2021, 6(9), 9939-9954. （中译题目：《一个联系多参数的新的逆向Mulholland 不等式》）

31.MichaelTh.Rassias, BichengYang , GerasimosC.Meletiou. A more accurate half-discrete Hilbert-type inequality inthewhole plane andthereverses. Ann. Funct. Anal. (2021) 12:50. （中译题目：《一个较为精确的全平面半离散Hilbert 型不等式及其逆式》）

32. Qiang Chen and Bicheng Yang. On two kinds of the reverse half-discrete Mulholland -type inequalities involving higher-order derivative function. Journal of Inequalities and Applications (2021), 2021: 138. （中译题目：《关于两类涉及高阶导函数的半离散逆向的Mulholland 型不等式》）

33. Xianyong Huang, Shanhe Wu and Bicheng Yang. A more accurate half-discrete Hilbert-type inequality involving one upper limit function and one partial sums. Symmetric, 2021,13, 154。（中译题目：《一个涉及高阶可变上限函数及部分和的较为精确半离散Hilbert 型不等式》）

34. Bicheng Yang , Michael Th. Rassias, and Andrei Raigorodskii. On an extension of a Hardy -Hilbert-type inequality with multi-parameters. Mathematics, 2021, 9, 2432. （中译题目：《关于一个具有多参数的推广的Hardy-Hilbert 型不等式》）

35. Bicheng Yang, Yanru Zhong and Aizhen Wang. On a new Hilbert-type inequality in the whole plane with the general homogeneous kernel. Journal of Applied Analysis and Computation, 2021, 11(5): 2583– 2600. （中译题目：《一个新的具有一般齐次核的全平面Hilbert 型不等式》）

36. Bicheng Yang, Shanhe Wu and Xingshou Huang. A Hardy–Hilbert-type inequality involving parameters composed of a pair of weight coefficients with their sums. Mathematics 2021, 9, 2950. (中译题目：《一个涉及参数组合一对和的权系数的Hardy-Hilbert 型不等式》)

37. Zhaohui Gu and Bicheng Yang. An extended Hardy-Hilbert’s inequality with parameters and applications. Journal of Mathematical Inequalities, 2021, 15(4) : 1375 -1389. (中译题目：《一个联系参数推广的Hardy-Hilbert不等式及应用》)

37. Bing He, Yanru Zhong and Bicheng Yang. On a more accurate Hilbert-type Inequality involving the partial sums. Journal of Mathematical Inequalities, 2021, 15(4) : 1647 -1662. (中译题目：《一个涉及部分和的较为精确的Hilbert 型不等式》)

38. Jianquan Liao, Shanhe Wu , and Bicheng Yang. A multi parameter Hardy –Hilbert-type inequality containing partial sums as the terms of series. Journal of Mathematics, Volume 2021, Article ID 5264623, 11 pages. (中译题目：《一个包含部分和为级数项的多参数Hilbert 型不等式》)

39. Xianyong Huang and Bicheng Yang. On a more accurate half-discrete Mulholland-type inequality involving one multiple upper limit function. Journal of Function Spaces Volume 2021, Article ID 6970158, 9 pages. (中译题目：《一个涉及多重可变上限的较为精确半离散Mulholland型不等式》)

40. Michael Th. Rassias, Bicheng Yang and Andrei Raigorodskii. A new Hardy –Mulholland-type inequality with a mixed kernel. Advances in Operator Theory (2021) 6:27. (中译题目：《一个新的涉及混合核的Hardy-Mulholland型不等式》)

41. Xianyong Huang , Shanhe Wu and Bicheng Yang. A Hardy-Hilbert-type inequality involving modified weight coefficients and partial sums. AIMS Mathematics, 2022,7(4): 6294–6310. DOI: 10.3934/math.2022350.（中译题目：《一个涉及改进的权系数与部分和的Hardy-Hilbert不等式》）

42. Jianhua Zhong, Bicheng Yang and Qiang Chen. A more accurate half-discrete Hilbert-type inequality involving one higher-order derivative function. Journal of Applied Analysis and Computation Volume 12, Number 1, 2022, 378–391.（中译题目：《一个较为精确的涉及一个高阶导函数的半离散Hilbert型不等式》）

43. Aizhen Wang and Bicheng Yang. A reverse more accurate Hardy-Hilbert’s inequality. Journal of Applied Analysis and Computation Volume 12, Number 2, 2022, 720–735. （中译题目：《一个较为精确逆向的Hardy-Hilbert不等式》）

Aizhen Wang, Yong Hong and Bicheng Yang. On a new half-discrete

Hilbert-type inequality with the multiple upper limit function and the partial sums. Journal of Applied Analysis and Computation, Volume 12, Number 2, 2022, 814–830.（中译题目：《一个新的涉及多重可变上限函数及部分和的半离散Hilbert型不等式》）

45. Bicheng Yang, Shanhe Wu and Xingshou Huang. A reverse Hardy-Hilbert’s inequality involving one partial sum as the terms of double series. Journal of Function Spaces, Volume 2022, Article ID 2175463, 9 pages.（中译题目：《一个逆向的涉及部分和作为重级数项的半离散Hardy-Hilbert不等式》）

46. Xingshou Huang , Bicheng Yang and Ricai Luo. A new reverse Hardy–Hilbert inequality with the power function as intermediate variables. Journal of Inequalities and Applications (2022), 2022: 49. （中译题目：《一个新的含幂函数作为中间变量的Hardy-Hilbert不等式》）

47. M. Th. Rassias, B.C. Yang and A. Raigorodskii. Equivalent conditions of a multiple Hilbert -type integral inequality with the non homogeneous kernel. Rev. Real Acad. Cienc. Exact as Fis. Nat. Ser.A-Mat. (2022) 116:107.（中译题目：《一个含非齐次核的多重Hilbert型积分不等式》）

48. Bicheng Yang , Shanhe Wu and Xingshou Huang. A reverse Hardy–Hilbert’s inequality containing multiple parameters and one partial sum. Mathematics 2022, 10, 2362. https://doi.org/10.3390/math10132362.（中译题目：《一个包含多参数及部分和的逆向Hardy-Hilbert不等式》）

49.B. C. Yang, D. Andrica, O. Bagdasar, and M. Th. Rassias . An equivalent property of a Hilbert-type integral inequality and its applications. Appl. Anal. Discrete Math. 16 (2022), 548-563.（中译题目：《一个Hilbert型积分不等式的等价性质及应用》）

50.Qiang Chen, Yong Hong and Bicheng Yang. A more accurate extended Hardy-Hilbert’s inequality with parameters. Journal of Mathematical Inequalities, 2022, 16(3) : 1075 -1089. （中译题目：《一个较为精确联系参数推广的Hardy-Hilbert不等式》）

F.G Wu, Y. Hong and B.C. Yang. A refined Hardy-Littlewood-Polya inequality and the equivalent forms. Journal of Mathematical inequalities, 16(4)(2022).（中译题目：《一个改进的Hardy-Littlewood-Polya不等式及其等价式》）