马如云——西北师范大学教授

马如云，男，汉族, 1964年生。1997年在兰州大学获得博士学位，同年破格晋升为教授。1998年—1999年在美国康涅狄格中央州立大学（CCSU）做高级访问学者。2004年—2005年在澳大利亚昆士兰大学（UQ）做高级访问学者。现为西北师范大学数学与统计学院院长、教授、博士生导师、美国《Math Review》及德国《Zentralblatt Math》评论员、《Appl. Math. E-Notes》和《Int. J. Differ. Equ.》编委、北京师范大学兼职博士生导师、甘肃省政协委员、甘肃省数学会副理事长。

共完成学术论文184篇。其中130篇论文发表在《J. Differential Equations》、《Z. Angew. Math. Phys.》、《Proc. Edinburgh Math. Soc.》、《Nonlinear Analysis RWA》、《Nonlinear Analysis TMA》、《Topological Methods in Nonlinear Analysis》、《Discrete Dynamics in Nature and Society》、《J. Math. Anal. Appl.》、《Abstr. Appl. Anal.》等SCI刊物上。至2013年4月，其论文已被SCI刊物引用1514次，参www.ams.org/mathscinet.

马如云于2004年在科学出版社出版专著《非线性常微分方程非局部问题》。与徐登洲教授合著的《线性微分方程的非线性扰动》一书入选《现代数学基础丛书》。该书1994年在科学出版社首次出版，1998年和2008年分别在科学出版社再版。

研究方向：

主要研究方向是非线性微分方程边值问题及解集的分歧。

承担科研项目情况：

主持国家自然科学基金项目4项；主持教育部骨干青年教师资助计划项目、教育部优秀青年教师资助项目、教育部科学技术研究重点项目、教育部回国留学人员科研启动基金项目和教育部“春晖计划”项目各1项。

1、2012.09---2013.12, 甘肃省自然科学研究基金计划, S-H方程和广义F-K方程的周期解研究 （no. 1208RJZA258）
 

2、2012.12---2015.12, 高等学校博士学科点专项科研基金（博导类）非线性四阶微分方程解的分支研究 SRFDP （no. 20126203110004）
 

3、2011.01---2013.12, 主持国家自然科学基金“高阶线性差分算子的谱结构及相应非线性问题解的分歧”（编号：11061030）
 

4、2009.11.25---甘肃省高等学校基本科研业务费“弹性梁微分算子和差分算子的谱及其非线性问题的分歧” （编号： 5001-110）
 

5、2006.11---2008.12, 主持教育部高等学校博士学科点专项科研基金“线性常微分方程非局部问题的谱结构及其相应的非线性问题研究”(编号：20060736001)
 

6、2007.01---2009.1，主持国家自然科学基金“线性常微分方程非局部特征及其非线性扰动”（编号：10671158）
 

7、1999.01---2001.12, 主持国家自然科学基金青年项目“非线性常微分方程多点边值问题”（编号：19801028）
 

8、2003.01---2005.12, 主持国家自然科学基金项目“非线性常微分方程内部值问题”（编号：10271095）
 

9、2003.01---2005.12, 主持教育部优秀青年教师资助项目“非线性常微分方程非局部边值问题”。 (编号：2098)
 

10、2001.01---2003.12, 主持教育部高校骨干青年教师资助计划项目“非线性常微分方程泛函边值问题”。 （编号：GG-110-10736-1003）
 

11、2002.01---2004.12, 主持教育部科学技术研究重点项目 “非线性微分方程的理论研究及应用” （地方02147）
 

12、2002.01---2004.12, 主持西北师范大学知识与科技创新工程项目“非线性模型的理论分析及应用研究” （编号：NWNU-KJCXGC-212)
 

13、2004.06---2006.12, 主持教育部“春晖计划”计划项目“材料科学中的微分方程自由边值问题研究” （编号：Z2004-1-62033)
 

14、2005.09---2007.12, 主持甘肃省自然科学基金项目项目“常微分方程多点边值问题解的整体分歧及其应用” （编号： 3ZS051-A25-016)
 

15、2006.07---2007.12, 教育部留学回国人员科研启动基金“常微分方程多点边值问题解的整体分歧研究” 教外司留[2006]331号
 

16、2006.07---2009.12, 主持西北师范大学知识与科技创新工程交叉团队项目“复杂系统方程的求解及其应用研究” （编号：NWNU-KJCXGC-03-17)

 论文专著

[1] Ruyun Ma, Chunjie Xie, AhmedAbubaker,Positive Solutions of the One-Dimensional p-Laplacian with Nonlinearity Defined on a Finite Interval,Abstract and Applied Analysis,Volume 2013, Article ID 492026, 6 pages.

[2] Ruyun Ma, Bianxia Yang, Zhenyan Wang, Positive periodic solutions of first-order delay differential equations with impulses,Applied Mathematics and Computation 219 (2013) 6074–6083.

[3] 马如云,陈瑞鹏,李杰梅,非线性Neumann问题正解的存在性,数学学报 56(3)，3013.

[4] Ruyun Ma,Yanqiong Lu,Existence of positive periodic solutions for second-order functional differential equations,Monatsh Math,DOI 10.1007/s00605-012-0471-0.

[5] Ruyun Ma,Jia Xu,Xiaoling Han,Global structure of positive solutions for superlinear second-order periodic boundary value problems.,Appl. Math. Comput. 218 (2012), no. 10, 5982–5988.

[6] Ruyun Ma,Yanqiong Lu,Tianlan Chen, Existence of one-signed solutions of discrete second-order periodic boundary value problems,Abstr. Appl. Anal. 2012, Art. ID 437912, 13 pp.

[7] Ruyun Ma, Chenghua Gao, Nodal solutions of a nonlinear eigenvalue problem of the Euler-Bernoulli equation,J. Math. Anal. Appl. 387(2)(2012), 1160–1166.

[8] Ruyun Ma, Ruipeng Chen, Existence of one-signed solutions of nonlinear four-point boundary value problems, Czechoslovak Math. J. 62(3)(137) (2012), 593–612.

[9] Ruyun Ma, Yanqiong Lu, Positive periodic solutions of second-order difference equations with weak singularities, Adv. Difference Equ. 2012, 2012:90, 11 pp.

[10] Ruyun Ma, Yanqiong Lu, Existence and multiplicity of positive solutions of a nonlinear discrete fourth-order boundary value problem, Abstr. Appl. Anal. 2012, Art. ID 918082, 17 pp.

[11] Ruyun Ma, Guowei Dai, Chenghua Gao, Existence and multiplicity of positive solutions for a class of p(x) -Kirchhoff type equations,Bound. Value Probl. 2012, 2012:16, 16 pp.

[12] Ruyun Ma, Bianxia Yang, Guowei Dai, Nodal solutions of second-order two-point boundary value problems, Bound. Value Probl. 2012, 2012:13, 10 pp.

[13] Ruyun Ma, Chenghua Gao, Bifurcation of positive solutions of a nonlinear discrete fourth-order boundary value problem, Z. Angew. Math. Phys., DOI 10.1007/s00033-012-0243-7.

[14] Ruiupeng Chen, Ruyun Ma, Positive solutions of the second-order differential systems in reactor dynamics, Appl. Math. Comput. 219(8) (2012), 3882–3892.

[15] Ruiupeng Chen, Ruyun Ma, Dongming Yan, Global bifurcation of positive solutions to Neumann boundary value problems for a second-order ODE. (Chinese), Acta Math. Appl. Sin. 35(3) (2012),515–528.

[16] Ruiupeng Chen, Ruyun Ma, Zhiqian He, Positive periodic solutions of first-order singular systems, Appl. Math. Comput. 218 (23)(2012), 11421–11428.

[17] Chenghua Gao, Guowei Dai, Ruyun Ma, Existence of positive solutions to discrete second-order boundary value problems with indefinite weight, Adv. Difference Equ. 2012, 2012:3, 10 pp.

[18] Guowei Dai, Ruyun Ma, Unilateral global bifurcation phenomena and nodal solutions for p-Laplacian, J. Differential Equations 252 (2012), no. 3, 2448–2468.

[19] Guowei Dai, Ruyun Ma, Yanqiong Lu, Bifurcation from infinity and nodal solutions of quasilinear problems without the signum condition, J. Math. Anal. Appl. 397(1) (2013), 119–123.

[20] Guowei Dai, Ruyun Ma, Qiaozhen Ma, Existence of solutions for a differential inclusion problem with singular coefficients involving the p(x) –Laplacia, Bound. Value Probl. 2012, 2012:11, 15 pp.

[21] Ruyun Ma, Jia Xu, Xiaoling Han, Global structure of positive solutions for superlinear second-order periodic boundary value problems, Appl. Math. Comput. 218 (2012), no. 10, 5982–5988,

[22] Ruyun Ma, Yanqiong Lu, Tianlan Chen, Existence of one-signed solutions of discrete second-order periodic boundary value problem, Abstr. Appl. Anal. 2012, Art. ID 437912, 13 pp.

[23] Ruyun Ma, Chenghua Gao, Nodal solutions of a nonlinear eigenvalue problem of the Euler-Bernoulli equation, J. Math. Anal. Appl. 387 (2012), no. 2, 1160–1166.

[24] Ruyun Ma, Tianlan Chen, Existence of Positive Solutions of Fourth-Order Problems with Integral Boundary Conditions, Bound. Value Probl.,2011 (2011), Art. ID 297578, 17 pp.

[25] Ruyun Ma, Nonlinear periodic boundary value problems with sign-changing Green’s function, Nonlinear Analysis ,74 (2011) 1714–1720.

[26] Ruyun Ma, Guowei Dai, Periodic solutions of nonlocal semilinear fourth-order differential equations , Nonlinear Analysis: TMA 74(15), 2011, 5023-5029.

[27] Guowei Dai, Ruyun Ma, Solutions for a p(x)-Kirchhoff type equation with Neumann boundary data, Nonlinear Analysis:RWA 12(5), 2011, 2666-2680.

[28] Ruyun Ma, Huili Ma, Global structure of positive solutions for superlinear discrete boundary value problems, Journal of Difference Equations and Applications, iFirst article, 2011, 1–10.

 

[29] Ruyun Ma, Chenghua Gao,Youji Xu, Bifurcation interval for positive solutions to discrete second-order boundary value problems, Journal of Difference Equations and Applications, iFirst article, 2011, 1–15.

[30] Ruyun Ma, Chenghua Gao, Jia Xu, Existence of positive solutions for first order discrete periodic boundary value problems with delay , Nonlinear Analysis: TMA, 74(12), 2011, 4186-4191.

[31] Ruyun Ma, Jia Xu, Xiaoling Han, Global bifurcation of positive solutions of a second-order periodic boundary value problem with indefinite weight , Nonlinear Analysis: TMA, 74(10), 2011, 3379-3385.

[32] Yongkui Chang, Zhihan Zhao, G. M. N’Guérékata, Ruyun Ma, Stepanov-like almost automorphy for stochastic processes and applications to stochastic differential equations, Nonlinear Analysis:RWA 12(2), 2011, 1130-1139.

[33] Ruyun Ma, Second order periodic problems in the presence of dry friction, Nonlinear Analysis: RWA 12（6） (2011), 3306–3314.

[34] Ruyun Ma, Ruipeng Chen, Tianlan Chen, Existence of positive periodic solutions of nonlinear first-order delayed differential equations, J. Math. Anal. Appl. 384（2） (2011), 527–535.

[35] Ruyun Ma,Chenghua Gao, Xiaoqiang Chen, Infinitely many solutions to superlinear second order m-point boundary value problems,Bound. Value Probl. 2011, 2011:14, 11 pp.

[36] Ruyun Ma, Chenghua Gao, Xiaoling Han, Xiaoqiang Chen, Global structure of positive solutions of a discrete problem with sign-changing weight, Discrete Dynamics in Nature and Society 2011, Article ID 624157, 12 pages.

[37] Ruyun Ma, Existence of periodic solutions of a generalized friction oscillator, Nonlinear Anal. RWA 11(5) (2010), 3316–3322.

 

[38] Ruyun Ma, Jiemei Li, Existence of positive solutions of a singular nonlinear boundary value problem, Bound. Value Probl. 2010, Art. ID 458015, 16 pp.

[39] Ruyun Ma, Chenghua Gao, Ruipeng Chen, Existence of Positive Solutions of Nonlinear Second-Order Periodic Boundary Value Problems, Bound. Value Probl. 2010 Art. ID 626054, 18 pages.

[40] Ruyun Ma, Chenghua Gao, Yongkui Chang, Existence of solutions of a discrete fourth-order boundary value problem,Discrete Dyn. Nat. Soc. 2010, Art. ID 839474, 19 pp.

[41] Ruyun Ma, Youji Xu, Chenghua Gao, Spectrum of Linear Difference Operators and the Solvability of Nonlinear Discrete Problems, Discrete Dyn. Nat. Soc., 2010 Art. ID 757416, 27 pages.

[42] Ruyun Ma, Jiemei Li, Chenghua Gao, Existence of positive solutions of a discrete elastic beam equation, Discrete Dyn. Nat. Soc. 2010, Art. ID 582919, 15 pp.

[43] Ruyun Ma, Tianlan Chen, Yanqiong Lu, Positive Periodic Solutions of Nonlinear First-Order Functional Difference Equations ,Discrete Dyn. Nat. Soc. 2010, 2010 Art. ID 419536, 15 pages.

[44] Ruyun Ma, Youji Xu, Existence of positive solution for nonlinear fourth-order difference equations, Comput. Math. Appl. 59 (2010) (12), 3770–3777.

[45] Ruyun Ma, Ling Xu, Existence of positive solutions of a nonlinear fourth-order boundary value problem, Appl. Math. Lett., 23 (2010)(5), 537–543.

[46] Ruyun Ma, Yulian An, Global structure of positive solutions for superlinear 2m-th boundary value problems, Czechoslovak Math. J. 60(1) (135) (2010), 161–172.

[47] Ruyun Ma, Huili Ma, Positive solutions for nonlinear discrete periodic boundary value problems, Comput. Math. Appl. 59 (1) (2010), 136–141.

[48] Ruyun Ma, Jia Xu, Bifurcation from interval and positive solutions of a nonlinear fourth-order boundary value problem, Nonlinear Anal. 72(1) (2010), 113–122.

[49] Ruyun Ma, Jia Xu, Bifurcation from interval and positive solutions for second order periodic boundary value problems, Dynamic Systems and Applications 19 (2010) 211-224.

[50] Jia Xu, Ruyun Ma, Bifurcation from interval and positive solutions for second order periodic boundary value problems, Appl. Math. Comput. 216(8) (2010), 2463–2471.

[51] Youji Xu, Chenghua Gao, Ruyun Ma, Solvability of a nonlinear fourth-order discrete problem at resonanc, Appl. Math. Comput. 216(2) (2010), 662–670.

[52] Yulian An, Ruyun Ma, Exact multiplicity of solutions for a class of two-point boundary value problems, Electron. J. Differential Equations 2010, No. 27, 7 pp.

[53] Ruyun Ma, Yulian An, Global structure of positive solutions for nonlocal boundary value problems involving integral conditions, Nonlinear Analysis: TMA 71(10), 2009, 4364-4376.

[54] Ruyun Ma, Xiaoling Han, Existence and multiplicity of positive solutions of a nonlinear eigenvalue problem with indefinite weight function,Applied Mathematics and Computation 215(3), 1077-1083.

[55] Ruyun Ma ,Bao Zhu,Existence of positive solutions for a semipositone boundary value problem on the half-line, Computers & Mathematics with Applications 58(8), 1672-1686. 55 Ruyun Ma,Huili Ma, Positive solutions for nonlinear discrete periodic boundary value problems, Computers & Mathematics with Applications, In Press, Corrected Proof, Available online 4 September 2009.

[56] Ruyun Ma,Huili Ma, Positive solutions for nonlinear discrete periodic boundary value problems, Computers & Mathematics with Applications, In Press, Corrected Proof, Available online 4 September 2009.

[57] Ruyun Ma, Xiaoling Han, Existence of nodal solutions of a nonlinear eigenvalue problem with indefinite weight function, Nonlinear Analysis: TMA 71(5-6), 2009, 2119-2125.

[58] Ruyun Ma, Huili Ma, Unbounded perturbations of nonlinear discrete periodic problem at resonance, Nonlinear Analysis: TMA 70(7), 2602-2613.

[59] Ruyun Ma,Youji Xu, Chenghua Gao, A global description of the positive solutions of sublinear second-order discrete boundary value problems, Advances in Difference Equations 2009, Article ID 671625, 15 pages.

[60] Hongxia Fan, Ruyun Ma, Loss of positivity in a nonlinear second order ordinary differential equations, Nonlinear Analysis: TMA 71(1-2), 2009, 437-444.

[61] Ruyun Ma, Jiemei Li, Global Bifurcation for Second-Order Neumann Problem with a Set-Valued Term, International Journal of Differential Equations,2009, Article ID 373851, 16 pages.

[62] 马如云, 高承华, Global bifurcation of periodic solutions to second-order ordinary differential equations. (Chinese), Acta Math. Sci. Ser. A 29（5） (2009), 1223–1232.

[63] 马如云, 范虹霞, 韩晓玲, 二阶常微分方程无穷多点边值问题的正解, 数学物理学报, 29A(3), 2009, 699-706.

[64] 徐登洲, 马如云, 专著《线性微分方程的非线性扰动》,科学出版社. 2008年第二版, (1994 年第一版).

[65] Ruyun Ma, Global behavior of the components of nodal solutions of asymptotically linear eigenvalue problems, Applied Mathematics Letters 21 (2008) 754–760.

[66] Ruyun Ma, Yang Yunrui, Existence result for a singular nonlinear boundary value problem at resonance, Nonlinear Analysis: TMA 68(3),2008, 671-680.

[67] Ruyun Ma, Huili Ma, Unbounded perturbations of nonlinear discrete periodic problem at resonance, Nonlinear Analysis: TMA.

[68] Ruyun Ma, Huili Ma, Existence of Sign-Changing Periodic Solutions of Second Order Difference Equations, Applied Mathematics and Computation 203(2), 2008, 463-470.

[69] Ruyun Ma, Bevan Thompson, Nodal Solutions for a Nonlinear Fourth-Order Eigenvalue Problem, Acta Mathematica Sinic, English Series 24(1), 2008, 27–34.

[70] Yulian An, Ruyun Ma, Global Behavior of the Components for the Second Order m-Point Boundary Value Problems, Boundary Value Problems,Volume 2008, Article ID 254593, 10 pages.

[71] Ruyun Ma, Hua Luo, Chenghua Gao, On Nonresonance Problems of Second-Order Difference Systems, Advances in Difference Equations,2008, Article ID 469815, 10 pages.

[72] Ruyun Ma, Donal O’Regan, Asymptotic nonuniform nonresonance conditions for a nonlinear discrete boundary value problem. Dynamic Systems and Applications 17 (2008) 271-282.

[73] Ruyun Ma, Chenghua Gao, Sign-Changing Solutions of Nonlinear Boundary Value Problems of Difference Equations, Indian Journal for Pure and Applied Mathematics.

[74] Ruyun Ma, Chenghua Gao, Existence and multiple solutions for nonlinear second-order discrete problems with minimum and maximum, Advances in Difference Equations,2008, Article ID 586020, 16 pages.

[75] Ruyun Ma, Bifurcation from Infinity and Multiple Solutions for Some Discrete Sturm-Liouville Problems, Comput Math Appl., 54(4)August 2007, 535-543.

[76] Ruyun Ma, Nodal Solutions for Singular Nonlinear Eigenvalue Problems,Nonlinear Analysis, 66(2007), 1417-1427.

[77] Ruyun Ma, Nodal Solutions of Second-Order Boundary Value Problems with Superlinear or Sublinear Nonlinearities, Nonlinear Analysis, 66(4) (2007), 950-961.

[78] Ruyun Ma, Yunrui Yang, Existence result for a singular nonlinear boundary value problem at resonance, Nonlinear Analysis TMA 68(3), 2008, 671-680.

[79] Ruyun Ma, Nonlinear discrete Sturm-Liouville problems at resonance, Nonlinear Analysis: TMA 67(11) 2007, 3050-3057.

[80] Ruyun Ma, Positive solutions for boundary value problems of functional differential equations, Applied Mathematics and Computation, 193(1), 2007, 66-72.

[81] Michal Fe?kan, Ruyun Ma, B. Thompson,Forced Symmetric Oscillations,Bull. Belg. Math. Soc. Simon Stevin 14(1) (2007), 73--85.

[82] Michal Fe?kan, Ruyun Ma, B. Thompson, Weakly coupled oscillators and topological degree,Bulletin des Sciences Mathématiques,131(6), 2007, 559-571.

[83] Ruyun Ma, A survey on nonlocal boundary value problems, Appl. Math. E-Notes, 7(2007), 257-279.

[84] Ruyun Ma, Nodal solutions for a fourth-order two-point boundary value problem,J. Math. Anal. Appl., 314(1), 2006, 254-265.

[85] Ruyun Ma, Nodal Solutions for a Second-Order m-Point Boundary Value Problem, Czechoslovak Mathematical Journal 56(4), 2006, 1243-1263.

[86] Ma Ruyun, D. O’Regan, Nodal solutions for second-order m-point boundary value problems with nonlinearities across several eigenvalues, Nonlinear Analysis, 64(7), 2006, 1562-1577.

[87] Ruyun Ma, D. O’Regan, Positive solutions of singular sublinear second-order three-point boundary value problems, Fixed Point Theory,7 (1)(2006), 65-81.

[88] Douglas R. Anderson, Ruyun Ma, Second-order n-point eigenvalue problems on time scales, Adv. Difference Equ., 2006, Art. ID 59572, 17 pp.

[89] Ruyun Ma, Nodal solutions for a fourth-order two-point boundary value problem. J. Math. Anal. Appl. 314(1) (2006), 254-265.

[90] Ruyun Ma, Nodal Solutions of Boundary Value Problems of Fourth-Order Ordinary Differential Equations, J. Math. Anal. Appl., 319(2), 2006, 424-434.

[91] Hua Luo, Ruyun Ma, Nodal solutions to nonlinear eigenvalue problems on time scales, Nonlinear Anal. 65(4) (2006), 773--784.

[92] Lynn Erbe, Ruyun Ma, C. C. Tisdell, On two point boundary value problems for second order differential inclusions, Dynam. Systems Appl. 15(1) (2006), 79--88.

[93] Ruyun Ma, Multiplicity results for an m-point boundary value problem at resonance, Indian Journal of Mathematics, 47(1), 2005, 15-31.

[94] Ruyun Ma, Existence of positive solutions of a fourth-order boundary value problem, Applied Mathematics and Computation 168/2, 2005, 1219-1231.

[95] Ruyun Ma, Yulian An, Uniqueness of Positive Solutions of a Class of O.D.E. with Robin Boundary Conditions, Nonlinear Analysis 63(2),2005, 273-281.

[96] Ruyun Ma, Bevan Thompson, Solvability of singular second order m- point boundary value problems of Dirichlet type, Bull. Austral. Math. Soc.71(2005), 41-52.

[97] Ruyun Ma, Bevan Thompson, A note on bifurcation from an interval, Nonlinear Analysis, 62(4), 2005, 743-749.

[98] Ruyun Ma, D. O’Regan, Solvability of singular second order m- point boundary value problems, J. Math. Anal. Appl., 301(2005), 124-134.

[99] Ruyun Ma, Bevan Thompson, Global behavior of positive solutions of nonlinear three-point boundary value problems, Nonlinear Analysis 60(4), 2005, 685-701.

[100] Ruyun Ma, Bevan Thompson, Multiplicity results for second-order two-point boundary value problems with nonlinearities across several eigenvalues, Appl. Math. Letters,18(2005) 587-595.

[101] Ruyun Ma, Bevan Thompson, Multiplicity Results for Second-Order Two-Point Boundary Value Problems with Superlinear or Sublinear Nonlinearities, J. Math. Anal. Appl., 303(2005),726-735.

[102] Dingyong Bai, Ruyun Ma, Existence of positive solutions to a singular boundary value problem with p-Laplacian operator. (Chinese), Acta Math. Sci. Ser. A,25(2)(2005), 166--170.

[103] Ruyun Ma, Christopher C. Tisdell, Positive Solutions of Singular Sublinear Fourth-Order Boundary Value Problems, Applicable Analysis, 84(12) 2005, 1199-1220.

[104] Ruyun Ma, Yulian An, Uniqueness of positive solutions of a class of ODE with nonlinear boundary conditions, Boundary Value Problems, 3(2005), 289-298.

[105] Bai Ding Yong , Ma Ru Yun, Existence of positive solutions to a singular boundary value problem with $p$-Laplacian operator. (Chinese), Acta Math. Sci. Ser. A Chin. Ed. 25（2）(2005), 166--170.

[106] 马如云, 专著《非线性常微分方程非局部问题》,科学出版社 2004.05 .

[107] Ruyun Ma, Multiple positive solutions for nonlinear m-point boundary value problems, Applied Mathematics and Computation,148 (2004), no. 1, 249-262.

[108] Ruyun Ma, Hua Luo, Existence of solutions for a two-point boundary value problem on time scales, Applied Mathematics and Computatio,150 (2004), no. 1, 139-147.

[109] Ruyun Ma, N. Castaneda, Existence of solutions of boundary value problems for second order functional differential equations, J. Math. Anal. Appl., 292 (2004), 49-59.

[110] Ruyun Ma, Existence results of a m-point boundary value problem at resonance, J. Math. Anal. Appl., 294(1) (2004), 147-157.

[111] Ruyun Ma, Positive solutions for nonhomogeneous $m$-point boundary value problems, Comput. Math. Appl., 47（4-5）(2004), 689--698.

[112] Ruyun Ma, Bevan Thompson, Positive solutions for nonlinear m-point eigenvalue problems, J. Math. Anal. Appl., 297(2004), 24-37.

[113] Ruyun Ma, Bevan Thompson, Nodal solutions for nonlinear eigenvalue problems, Nonlinear Analysis ,59(2004), 707-718.

[114] Ma Ruyun, Ma Qiaozhen, Positive solutions for semipositone $m$-point boundary-value problems. Acta Math. Sin. (Engl. Ser.), Acta Math. Sin. (Engl. Ser.) ,20 (2)(2004), 273-282..

[115] 马如云, Positive solutions for second-order $m$-point boundary value problems of Robin type. (Chinese), 数学物理学报, Ser. A 24(3) (2004), 307--318.

[116] 马如云, 宋灵宇, Positive solutions of an equation associated with an elastic beam with simply supported end-points. (Chinese) , 数学研究与评论, J. Math. Res. Exposition 24 (2)(2004), 317--320.

[117] An Yulian, Ma Ruyun, Uniqueness of positive solutions for a class of ODE's with Dirichlet boundary conditions, Electronic Journal of Differential Equations, 2004(142), 2004, 1-9.

[118] Bai Ding Yong , Ma Ru Yun, A boundary value problem for a singular second-order differential system. (Chinese), Acta Sci. Natur. Univ. Sunyatseni ,43（2）(2004), 129--132.

[119] Ma Ruyun, Existence of positive solution for second order boundary value problems on infinity intervals, Applied Math. Letters, 16(1)(2003), 33-39.

[120] Ruyun Ma, Lishun Ren,Positive solutions for nonlinear m-point boundary value problems of Dirichlet type via fixed point index theory, Applied Math. Letters, 16(6)(2003), 863-869.

[121] Ruyun Ma, Existence of positive solutions for superlinear semipositone $m$-point boundary-value problems, Proc. Edinburgh Math. Soc.,46 (2)(2003) 279-292.

[122] Ruyun Ma, Haiyan Wang, Positive solutions of nonlinear three-point boundary-value problems, J. Math. Anal. Appl.,279(1)2003, 216-227.

[123] Ruyun Ma, Multiplicity results for a three-point boundary value problem at resonance, Nonlinear Analysis, 53(6) (2003), 777-789.

[124] Ruyun Ma, Existence of positive solutions for a nonlinear fourth-order two-point, Boundary Value Problems, Ann. Polon. Math.,81(1)(2003), 79-84 .

[125] 马如云, 一类非线性m-点边值问题正解的存在性, 数学学报46(4),2003, 785-794.

[126] Ruyun Ma, Multiple positive solutions for a semipositone fourth-order boundary value problem, Hiroshima Mathematics Journal 33(2), 2003, 217-227.

[127] 姚庆六, 马如云, 关于非线性特征值问题的一个正解定理, 数学杂志23(1),2003，91-94

[128] 白定勇, 马如云, 一阶脉冲积分微分方程边值问题, 中山大学学报42（1） 3003，16-19.

[129] Ruyun Ma, Existence of positive solutions for second order three-point boundary value problems, Annales Polonici Mathematici, 79（3）(2002), 265-276.

[130] Ruyun Ma, Existence and uniqueness of solutions to first order three-point boundary value problems, Applied Math. Letters, 15(2) (2002)，211-216.

[131] Ruyun M, Daomin Cao, Positive solutions to an m-point boundary value problem, Appl. Math. J. Chinese Univ. Ser. B 17 (2002), 24--30.

[132] Ma Ruyun,Wu Hongping, Positive solutions of a fourth-order two-point boundary value problem, Acta Math. Sci. Ser. A Chin. Ed. 22 (2002), 244--249.

[133] Ma Ruyun, Yao Qingliu, Positive solutions of a semilinear elliptic equation with coefficient that changes sign ,Chinese Quarterly Journal of Mathematics,17(2002), 10-14.

[134] Ma Yu Hong, Ma Ruyun, Existence of positive solutions for sublinear semipositive boundary value problems , J. Math. Res. Exposition , 22 (2002), 621--625.

[135] Ruyun Ma, Positive solutions for a nonlinear m-point boundary value problem, Comput. Math. Appl. ,42 (2001), 755-765.

[163] Ruyun Ma, Positive solution for second order three-point boundary value problems, Appl. Math. Lett., 14(2001), 1-5.

[164] Ruyun Ma, Positive solutions for second order functional differential equations,Dynam. Systems Appl.,10 (2001), no. 2, 215--223.

[165] Ruyun Ma, N. Castaneda ,Existence of solutions of nonlinear m-point boundary-value problems, J. Math. Anal. Appl. 256 (2)(2001), 556--567.

[166] 马如云, 王汝发, 任立顺, Existence results for semi-positone boundary value problems, Acta Mathematica Scientia,21(B)(2) , 2001, 189-195.

[167] Ruyun Ma, Positive solutions for second order functional differential equations,Nonlinear Stud., 8 (2001), 239-247.

[168] Ruyun Ma, Positive solution for semipositone (n,n-k) boundary value problems, J. Math. Anal. Appl.,252, 2000, 220-229.

[169] Ruyun Ma, Multiple nonnegative solutions of second-order systems of boundary value problems, Nonlinear Anal. 42(6) (2000), Ser. A: Theory Methods, 1003-1010.

[170] Ruyun Ma, Bifurcation from infinity and multiple solutions for periodic boundary value problems, Nonlinear Anal. 42(1) (2000), no. 1, Ser. A: Theory Methods, 27-39.

[171] Ruyun Ma, Multiplicity of positive solutions for second-order three-point boundary value problems, Comput. Math. Appl. 40 (2000), no. 2-3, 193-204.

[172] Nelson Castaneda, Ruyun Ma, Positive solutions to a second order three-point boundary value problem, Applicable Analysis, 76(3-4), 2000, 231—239.

[173] Ruyun Ma, Existence and uniqueness theorems for some fourth-order nonlinear boundary value problems, International J. Math. & Math.Sci. 23(11) (2000),783-788.

[174] Daomin Cao, Ruyun Ma, Positive Solutions to a Second Order m-Point Boundary Value Problem, Electronic J. Diff. Eqns. 2000(2000), 65,1-8.

[175] Ma Ruyun, Positive solutions of a nonlinear three-point boundary value problem, Electronic J. Diff. Eqns., 1999(1999),34, 1-8.

[177] 马如云, 非线性周期边值问题周期解的个数, 数学年刊20A(4), 1999.

[178] Ma Ruyun, Positive solutions of fourth-order two-point boundary value problems, Ann. of Diff. Eqs., 5:3(1999), 305-313.

[179] Ruyun Ma, Multiplicity results for a third order boundary value problem at resonance, NonlinearAnal.TMA27:7 1998.

[180] Zhang J., Ma Ruyun, Minimax inequalities of Ky Fan, Appl. Math. Lett.,11:6, 1998.

[181] 马如云, 奇异二阶边值问题的正解, 数学学报41(6),1998，1225-1230.

[182] Ruyun Ma, Existence theorems for a second order m-point boundary value problem, J. Math. Anal. Appl., 1997,211(2), 545–555.

[183] Ruyun Ma, Existence theorems for a second order three-point boundary value problem, J. Math. Anal. Appl., 1997,212(2), 430–442.

[184] Ruyun Ma, Jihui Zhang, Shenmao Fu, The method of lower and upper solutions for fourth-order boundary value problem, J. Math. Anal. Appl.,215(2),1997, 415–422.

[185] Shenmao Fu, Ma Ruyun, Existence of coexistence state of periodic competition diffusion system, Nonlinear Anal., TMA 28:7,1997 .

[186] Ruyun Ma, Solvability of a class of fourth-order two-point boundary value problems. (Chinese), Math. Appl.,10 (2)(1997), 60-62.

[187] Ruyun Ma, On a nonlinear fourth order elliptic problem, Applicable Analysis TMA 66(1-2), 1997,107-117.

[188] Ruyun Ma, Existence of positive radial solution for elliptic system, J. Math. Anal. Appl., 201,1996 .

[189] Ruyun Ma, On a conjecture concerning the multiplicity of positive solutions of elliptic problem, Nonlinear Anal. TMA 27:7,1996, 775–780 .

[190] Xu Deng Zhou, Ma Ru Yun, Boundary value problems at resonance for systems of nonlinear elliptic equations. (Chinese), J. Lanzhou Univ. Nat. Sci. 32(1) (1996), 15-17.

[191] 马如云, 伏升茂 , 李占存, 扭转映射的一个不动点定理, 数学研究与评论16(3) 1996.

[192] Ma Ruyun Wang H., On the existence of positive solutions of fourth order ODE, Applicable Analysis, 59(1-4) 1995, 225-231.

[193] 马如云, 一类四阶周期边值问题的可解性, 数学物理学报, 15(3) 1995.

[194] 马如云, 马勤生,一类四阶边值问题的多解结果, 应用数学和力学16(10)1995.

[195] 马如云, 一类Lazer--Meknna 吊桥型藕合方程的周期解, 工程数学学报12(2)，1995.

[196] 马如云, 滑动支撑弹性梁静态方程可解性, 纯粹数学与应用数学11:2，1995.

[197] 徐登洲, 马如云, 专著《线性微分方程的非线性扰动》,科学出版社,1994 年第一版.

[198] 马如云, 一类半线性两点边值共振问题可解性, 数学学报36(1),1993.

[199] 马如云, 半线性Duffing方程周期边值问题的可解性, 数学年刊14A(4),1993.

[200] 马如云, 弹性梁方程共振问题几个多解存在定理, 应用数学和力学14(2),1993.

[201] 马如云, A nonlinear two point boundary value problem at resonance, 科学通报37,1992.

[202] 徐登州, 姚庆六, 马如云, 一类椭圆共振问题的可解性, 高校应用数学学报6(1),1991.

[203] 徐登洲, 马如云, Bounded perturbation of second order ordinary differential equations.,数学进展19(2), 1990.

[204] 姚庆六, 马如云, 几类半线性椭圆共振问题, 数学研究与评论10(1)1990.

[205] 马如云, 传染病模型的非线性积分方程非零解的唯一性, 生物数学学报5:2,1990.

[206] 马如云, 传染病模型非线性积分方程正解的连通分支, 生物数学学报5:3,1990. 

 

 

 

 

 

 荣誉称号：

       1. 2012年马如云享受国务院颁发的政府特殊津贴人员（2013-02-18《中国组织人事报》2013-02-18 07版：公 告版）。 

2. 2013-01-31荣获甘肃省基础研究工作先进个人荣誉称号。

3. 2012年6月第一届甘肃省优秀科技工作者奖。

4. 1998年入选333人才工程。

5. 1998年被评为甘肃省跨世纪学术带头人。

6. 1997年12月荣获甘肃省第二届青年科技奖。

7. 1996年12月荣获甘肃省第三届青年教师成才奖。

8. 1998年---1999年在美国康涅狄格州立大学学术访问期间，受到该校Judd 校长的嘉奖。

9. 1995--1996、1997-1998、1999-2000 年度西北师范大学学科研双骨干。

10. 2002年7月荣获西北师范大学优秀教师。

11. 1999年4月荣获西北师范大学“孔宪武优秀中青年科研工作者奖”。

12. 2003年12月荣获“甘肃省优秀青年”。

13. 2002年12月荣获教育部高等学校优秀骨干教师。

14. 2005年9月荣获西北师范大学第二届学生心目中“我最喜爱的教师”。

15. 2006年7月甘肃省‘园丁奖’优秀教师。

16. 2007年评为甘肃省省级教学名师。

17. 2001年5月荣获甘肃省优秀专家称号。

18. 2010年9月荣获西北师范大学优秀成果奖 。

19. 2009年11月入选甘肃省科技领军人才第一层次。

20. 2009年12月入选 国家新世纪百千万人才工程。

21. 2006年6月《常微分方程》被评为甘肃省省级精品课程。

       科研获奖：

[1] 2012.08项目“线性微分算子的谱及相关非线性分歧问题研究”荣获甘肃省高校科技进步一等奖。 排名第一。

[2] 2011.01项目“非线性边值问题解的整体分歧及其应用”荣获甘肃省自然科学奖二等奖。 排名第一。

[3] 2010.10项目“拓扑方法在非线性微分方程中的应用研究”荣获甘肃省高校科技进步一等奖。排名第一。

[4] 2008.11项目“线性常微分方程的谱结构及其相关分歧问题研究”荣获甘肃省自然科学奖二等奖。排名第一。

[5] 2008.07项目“线性常微分方程的谱结构及其相关分歧问题研究”荣获甘肃省高校科学技术奖一等奖。 排名第一。

[6] 2006.12项目“常微分方程非局部问题及其解的分歧研究”荣获甘肃省自然科学奖二等奖。 排名第一。

[7] 2006.08项目“常微分方程非局部问题及其解的分歧研究”荣获甘肃省高校科学技术奖一等奖。 排名第一。

[8] 2005.09项目“常微分方程内部值问题及相关问题”荣获甘肃省科技进步三等奖（该项目曾于2004.05荣获甘肃省高校科技进步二等奖）。 排名第一。

[9] 2004.05项目“常微分方程内部值问题及相关问题”荣获甘肃省高校科技进步二等奖。 排名第一。

[10] 2003.04项目“非线性微分方程多点边值问题”荣获甘肃省科技进步三等奖（该项目曾于2002.10荣获甘肃省高校科技进步一等奖）。排名第一。

[11] 2002.04“非线性微分方程与抽象积分研究”荣获甘肃省科技进步三等奖（该项目曾于2000.07荣获甘肃省高校科技进步一等奖）。 排名第一。

[12] 1999.03项目“非经典边值问题和非线性模型研究”荣获甘肃省科技进步三等奖。 (该项目曾于1998.07荣获甘肃省高校科技进步一等奖)。 排名第一。

[13] 1997.05项目 “线性微分方程的非线性扰动”荣获甘肃省科技进步三等奖 (该项目曾于1996.07荣获甘肃省高校科技进步一等奖) 排名第一。

[14] 1994.07项目“非线性常微分方程研究”荣获甘肃省高校科技进步二等奖。 排名第一。