馬如雲，1997年在蘭州大學獲得博士學位，同年破格晉升為教授。1998年—1999年美國康涅狄格中央州立大學（CCSU）訪問學者。2004年—2005年澳大利亞昆士蘭大學（UQ）訪問學者。現為77779193永利教授、博士生導師、美國《Math Review》及德國《Zentralblatt Math》評論員，中國數學會第十二、十三屆理事。已培養博士18名、碩士50餘名。
主要研究方向是微分方程解的分歧、線性微分算子和差分算子譜理論。在科學出版社出版專著《差分方程理論及其應用》、《非線性常微分方程非局部問題》和《線性微分方程的非線性擾動》；在《Journal of Functional Analysis》、《Journal of Differential Equations》、《Discrete and Continuous Dynamical Systems》、《Zeitschrift für Angewandte Mathematik und Physik》和《Linear Algebra and its Applications》等SCI刊物上論文發表100餘篇。入選Elsevier發布2014-2019年中國高被引學者榜單。至2020年11月，其論文已被SCI刊物引用2866次。
主持國家自然科學基金項目7項；主持省部級項目8項。作為牽頭人，榮獲甘肅省自然科學獎一等獎1次、甘肅省自然科學獎二等獎4次、甘肅省科技進步獎三等獎5次、甘肅省高校科技進步獎一等獎6次。國家高層次人才，榮獲教育部優秀骨幹教師、甘肅省優秀專家、甘肅省名師獎及甘肅省園丁獎。2012年起享受國務院頒發的政府特殊津貼；2014年獲中國僑界貢獻獎。2015年榮獲秦元勳數學獎。2009年入選甘肅省科技領軍人才第一層次。
馬如雲科學基金項目
* 2016，主持國家自然科學基金專項基金項目“承辦第六屆全國數學文化論壇”，（編号：11626016）
* 2017.01---2020.12，主持國家自然科學基金面上項目“一般區域上Minkowsky空間中平均曲率方程研究”，（編号：11671322）
* 2014.01---2017.12，主持國家自然科學基金“帶有特定類型非線性微分算子的常微分方程邊值問題研究”（編号：11361054）
* 2012.09---2013.12, 甘肅省自然科學研究基金計劃, S-H方程和廣義F-K方程的周期解研究 （no. 1208RJZA258）
* 2012.12---2015.12, 高等學校博士學科點專項科研基金（博導類）非線性四階微分方程解的分支研究 SRFDP （no. 20126203110004）
* 2011.01---2013.12, 主持國家自然科學基金“高階線性差分算子的譜結構及相應非線性問題解的分歧”（編号：11061030）
* 2009.11.25---甘肅省高等學校基本科研業務費“彈性梁微分算子和差分算子的譜及其非線性問題的分歧” （編号： 5001-110）
* 2006.11---2008.12, 主持教育部高等學校博士學科點專項科研基金“線性常微分方程非局部問題的譜結構及其相應的非線性問題研究”(編号：20060736001)
* 2007.01---2009.1，主持國家自然科學基金“線性常微分方程非局部特征及其非線性擾動”（編号：10671158）
* 1999.01---2001.12, 主持國家自然科學基金青年項目“非線性常微分方程多點邊值問題”（編号：19801028）
* 2003.01---2005.12, 主持國家自然科學基金項目“非線性常微分方程内部值問題”（編号：10271095）
* 2003.01---2005.12, 主持教育部優秀青年教師資助項目“非線性常微分方程非局部邊值問題”。 (編号：2098)
* 2001.01---2003.12, 主持教育部高校骨幹青年教師資助計劃項目“非線性常微分方程泛函邊值問題”。 （編号：GG-110-10736-1003）
* 2002.01---2004.12, 主持教育部科學技術研究重點項目 “非線性微分方程的理論研究及應用” （地方02147）
* 2002.01---2004.12, 主持77779193永利知識與科技創新工程項目“非線性模型的理論分析及應用研究” （編号：NWNU-KJCXGC-212)
* 2004.06---2006.12, 主持教育部“春晖計劃”計劃項目“材料科學中的微分方程自由邊值問題研究” （編号：Z2004-1-62033)
* 2005.09---2007.12, 主持甘肅省自然科學基金項目項目“常微分方程多點邊值問題解的整體分歧及其應用” （編号： 3ZS051-A25-016)
* 2006.07---2007.12, 教育部留學回國人員科研啟動基金“常微分方程多點邊值問題解的整體分歧研究” 教外司留[2006]331号
* 2006.07---2009.12, 主持77779193永利知識與科技創新工程交叉團隊項目“複雜系統方程的求解及其應用研究” （編号：NWNU-KJCXGC-03-17)
馬如雲榮譽稱号
2019-11-27榮獲甘肅省優秀博士學位論文（徐嫚）指導教師
2019-01-18入選Elsevier發布2019年中國高被引學者榜單
2018-01-16入選Elsevier發布2018年中國高被引學者榜單
2017-01-19入選Elsevier發布2017年中國高被引學者榜單
2017-11-02 榮獲甘肅省優秀博士學位論文（陳天蘭）指導教師
2017-05-12 榮獲甘肅省優秀博士學位論文（高紅亮）指導教師
2017-02-28入選Elsevier發布2016年中國高被引學者榜單，位列數學學科第九
2016年6月18日在北京遠望樓出任國家科技獎初評專家
2016.01入選Elsevier發布2015年中國高被引學者榜單，位列“數學類”第九
2015.11.20當選中國數學會理事
2015.07 第七屆秦元勳數學獎（頒獎地點：沈陽師範大學）
2015入選Elsevier發布2014年中國高被引學者榜單， 位列“數學類”第八
2014年榮獲第五屆中國僑界貢獻獎
2014年榮獲甘肅省優秀博士學位論文指導教師
2013年馬如雲享受國務院頒發的政府特殊津貼人員
2013年榮獲甘肅省基礎研究工作先進個人榮譽稱号
2012年6月第一屆甘肅省優秀科技工作者獎
2010年9月榮獲77779193永利優秀成果獎
2009年11月入選甘肅省科技領軍人才第一層次
2009年12月入選 國家新世紀百千萬人才工程
2007年評為甘肅省省級教學名師
2006年7月甘肅省‘園丁獎’優秀教師
2006年6月《常微分方程》被評為甘肅省省級精品課程
2005年9月榮獲77779193永利第二屆學生心目中“我最喜愛的教師”
2003年12月榮獲“甘肅省優秀青年”
2002年12月榮獲教育部高等學校優秀骨幹教師
2002年7月榮獲77779193永利優秀教師
2001年5月榮獲甘肅省優秀專家稱号
1999年4月榮獲77779193永利“孔憲武優秀中青年科研工作者獎”
1998年入選333人才工程
1998年被評為甘肅省跨世紀學術帶頭人
1997年12月榮獲甘肅省第二屆青年科技獎
1996年12月榮獲甘肅省第三屆青年教師成才獎
1998年---1999年在美國康涅狄格州立大學學術訪問期間，受到該校Judd 校長的嘉獎
1995--1996、1997-1998、1999-2000 年度77779193永利學科研雙骨幹
馬如雲科研項目獲獎
[19] 2018.12項目“幾類非線性方程解的分歧、爆破及行波的波速”榮獲甘肅省自然科學獎一等獎。2018-Z1-002 排名第一。
[18] 2017.10項目“拟線性橢圓方程的解集分支及相關線性離散問題的譜”榮獲甘肅省高等學校科學研究優秀成果（科學技術類）一等獎。2017KYCGA-008 甘肅省教育廳。
[17] 2015.10項目“高階微分方程的Green函數的構造方法及解集連通分支研究”榮獲甘肅省高等學校科學研究優秀成果（科學技術）二等獎。甘肅省教育廳。 (2015KJ-032)
[16] 2014.11項目 “靜态梁方程的分歧及帶幹摩擦的振蕩子研究”榮獲甘肅省自然科學獎二等獎。2014-Z2-002 排名第一
[15] 2014.09項目 “高階微分方程的Disconjugacy及相關分歧問題研究”榮獲甘肅省高校科技進步一等獎。 排名第一
[14] 2012.08項目“線性微分算子的譜及相關非線性分歧問題研究”榮獲甘肅省高校科技進步一等獎。排名第一
[13] 2011.01項目“非線性邊值問題解的整體分歧及其應用”榮獲甘肅省自然科學獎二等獎。排名第一
[12] 2010.10項目“拓撲方法在非線性微分方程中的應用研究”榮獲甘肅省高校科技進步一等獎。排名第一
[11] 2008.11項目“線性常微分方程的譜結構及其相關分歧問題研究”榮獲甘肅省自然科學獎二等獎。 排名第一
[10] 2008.07項目“線性常微分方程的譜結構及其相關分歧問題研究”榮獲甘肅省高校科學技術獎一等獎。 排名第一
[9] 2006.12項目“常微分方程非局部問題及其解的分歧研究”榮獲甘肅省自然科學獎二等獎。排名第一
[8] 2006.08項目“常微分方程非局部問題及其解的分歧研究”榮獲甘肅省高校科學技術獎一等獎。排名第一
[7] 2005.09項目“常微分方程内部值問題及相關問題”榮獲甘肅省科技進步三等獎。（該項目曾于2004.05榮獲甘肅省高校科技進步二等獎） 排名第一
[6] 2004.05項目“常微分方程内部值問題及相關問題”榮獲甘肅省高校科技進步二等獎。排名第一
[5] 2003.04項目“非線性微分方程多點邊值問題”榮獲甘肅省科技進步三等獎（該項目曾于2002.10榮獲甘肅省高校科技進步一等獎）排名第一
[4] 2002.04“非線性微分方程與抽象積分研究”榮獲甘肅省科技進步三等獎。（該項目曾于2000.07榮獲甘肅省高校科技進步一等獎） 排名第一
[3] 1999.03項目“非經典邊值問題和非線性模型研究”榮獲甘肅省科技進步三等獎。 (該項目曾于1998.07榮獲甘肅省高校科技進步一等獎) 排名第一
[2] 1997.05項目 “線性微分方程的非線性擾動”榮獲甘肅省科技進步三等獎。 (該項目曾于1996.07榮獲甘肅省高校科技進步一等獎) 排名第一
[1] 1994.07項目“非線性常微分方程研究”榮獲甘肅省高校科技進步二等獎。 排名第一
馬如雲學術論著（至2020.02）
[273] Ruyun Ma, Liping Wei, Zhichao Chen, Evolution of bifurcation curves for one-dimensional Minkowski-curvature problem. Appl. Math. Lett. 103 (2020), 106176, 8 pp.
[272] Ruyun Ma, Suyun Wang, Positive solutions for some semi-positone problems with nonlinear boundary conditions via bifurcation theory. Mediterr. J. Math. 17(1) (2020), Art. 12, 12 pp.
[271] Ruyun Ma, Man Xu, Zhiqian He, Nonconstant positive radial solutions for Neumann problem involving the mean extrinsic curvature operator. J. Math. Anal. Appl. 484(2) (2020), 13 pp.
[270]馬如雲、高承華、馬慧莉、路燕瓊，《差分方程理論及其應用》，科學出版社，2019-06.
[269] Zhongzi Zhao and Ruyun Ma， Local and global bifurcation of steady states to a general Brusselator model, Advances in Difference Equations 2019:491 (2019), 1-14.
[268] Zhiqian He, Ruyun Ma, Man Xu , Positive solutions for a class of semipositone periodic boundary value problems via bifurcation theory, Electronic Journal of Qualitative Theory of Differential Equations 2019, Paper No. 29, 15 pp.
[267] Ruyun Ma, Man Xu, Dongliang Yan, Discrete Nonselfadjoint Second Order Two-Point Problems at Resonance, Mediterranean Journal of Mathematics 16(2） (2019), Art. 54, 14 pp.
[266 ] Ruyun Ma, Man Xu, Connected components of positive solutions for a Dirichlet problem involving the mean curvature operator in Minkowski space, Discrete and Continuous Dynamical Systems Series B 24( 6) 2019,. 2701-2718.
[265] Ruyun Ma， Zhiqian He， Dongliang Yan，Three radially symmetric k-admissible solutions for k-Hessian equation，Complex Variables and Elliptic Equation 64(8) (2019), 1353–1363.
[264] Tianlan Chen, Ruyun Ma & Yongwen Liang, Multiple positive solutions of second-order nonlinear difference equations with discrete singular Φ-Laplacian, Journal of Difference Equations and Applications 25(1) (2019), 38–55.
[263] Dongliang Yan, Ruyun Ma, Global behavior of positive solutions for some semipositone fourth-order problems, Advances in Difference Equations (2018) 2018:443
[262] Man Xu, Ruyun Ma, S-shaped connected component for a nonlinear Dirichlet problem involving mean curvature operator in one-dimension Minkowski space, Bull. Korean Math. Soc. 55(6) (2018), pp. 1891-1908
[261] Man Xu, Ruyun Ma and Zhiqian He, Positive solutions of the periodic problems for quasilinear difference equation with sign-changing weight, Advances in Difference Equations (2018) 2018:393, 1-13.
[260] Ruyun Ma, Positive solutions for Dirichlet problems involving the mean curvature operator in Minkowski space, Monatsh Math 187 (2018)，315–325.
[259] Man Xu, Ruyun Ma, Lower and upper solutions method for a problem of elastic beam whose one end simply supported and the other end sliding clamped, Turkish Journal of Mathematics (2018) 42: 1018-1030
[258] Zhiqian He, Ruyun Ma, Man Xu, Three positive solutions for second-order periodic boundary value problems with sign-changing weight, Boundary Value Problems (2018) 2018:93, 1-17.
[257] Man Xu，Ruyun Ma，Nonlinear elastic beam problems with the parameter near resonance，Open Mathematics，2018 16: 1176–118。
[256] Ruyun Ma, Chenghua Gao, Yanqiong Lu, Spectrum theory of second-order difference equations with indefinite weight, Journal of Spectral Theory 8(3), 2018.
[255] Ruyun Ma, Positive solutions for Dirichlet problems involving the mean curvature operator in Minkowski space, Monatshefte für Mathematik
DOI 10.1007/s00605-017-1133-z
[254] Ruyun Ma, Jinxiang Wang Yan Long, Lower and upper solutions method for the problem of elastic beam with hinged ends, Journal of Fixed Point Theory and Applications, 20:46, 2018, 1-13.
[253] Guo-Bao Zhang, Ruyun Ma, Xueshi Li, Traveling waves of a Lotka-Volterra strong competition system with nonlocal dispersal, Discrete and Continuous Dynamical Systems Series B 23(2), 2018，587-608
[252] Man Xu, Ruyun Ma, Existence of solutions for a discrete Neumann problem with singular ѱ-Laplacian operator, Advances in Difference Equations (2018) 2018:9, 1-12.
[251] Ruyun Ma, Man Xu, Yan Long, Principal eigenvalues of a second-order difference operator with sign-changing weight and its applications, Discrete Dynamics in Nature and Society Volume 2018, Article ID 1949254, 8 pages
[250] Ruyun Ma, Man Xu, Positive rotationally symmetric solutions for a Dirichlet problem involving the higher mean curvature operator in Minkowski space, Journal of Mathematical Analysis and Applications 460 (2018) 33–46
[249] Ruyun Ma, Hongliang Gao & Tianlan Chen, Radial positive solutions for Neumann problems without growth restrictions, Complex Variables and Elliptic Equations 62(6)(2017) , 848-861
[248] Chenghua Gao; Ruyun Ma, Fei Zhang, Spectrum of discrete left definite Sturm-Liouville problems with eigenparameter-dependent boundary conditions. Linear Multilinear Algebra 65(9) (2017), 1905–1923.
[247] Cheng-hua Gao, Fei Zhang, Ruyun Ma, Existence of positive solutions of second-order periodic boundary value problems with sign-changing Green's function. Acta Math. Appl. Sin. Engl. Ser. 33(2) (2017), 263–268.
[246] Jinxiang Wang, RuyunMa and Jin Wen, S-Shaped Connected Component for Nonlinear Fourth-Order Problem of Elastic Beam Equation, Journal of Function Spaces Volume 2017, Article ID 1069491, 8 pages
[245] Guo-bao Zhang and Ruyun Ma, Front-like entire solutions for a delayed nonlocal dispersal equation with convolution type bistable nonlinearity, Rocky Mountain Journal of Mathematics Volume 47(4) 2017, 1-50.
[244] Man Xu, Ruyun Ma, On a fourth order boundary value problem at resonance, Journal of Function Spaces , Volume 2017, Article ID 2641856, 7 pages.
[243] Ruyun Ma, Hongliang Gao, Multiple positive solutions for a class of semipositone Neumann problems with singular -Laplacian, Acta Mathematica Scientia 2017,37B(5):1472–1482.
[242] 陳克恭，馬如雲，“新三統”統“三統”：偉大時代的理論命題, 甘肅社會科學， 2017年第3期， 1-5.
[241] Jinxiang Wang & Ruyun Ma, Reversed S-shaped connected component for a fourth-order boundary value problem, Advances in Difference Equations (2017) 2017:113, 1-11
[240] Ruyun Ma, Chenghua Gao, Yanqiong Lu, Spectrum theory of second-order difference equations with indefinite weight, Journal of Spectral Theory
[239] Ruyun Ma, Hongliang Gao & Tianlan Chen, Radial positive solutions for Neumann problems without growth restrictions, Complex Variables and Elliptic Equations 62(6)(2017) , 848-861
[238] Ruyun Ma, Tianlan Chen, Yanqiong Lu, On the bonheure-noris-weth conjecture in the case of linearly bounded nonlinearities, Discrete Contin. Dyn. Syst. Ser. B 21(8) (2016), 2649-2662.
[237] Ruyun Ma, Tianlan Chen and Hongliang Gao, On positive solutions of the Dirichlet problem involving the extrinsic mean curvature operator, Electronic Journal of Qualitative Theory of Differential Equations 2016, No. 98, 1–10; doi: 10.14232/ejqtde.2016.1.98
[236] 陳克恭、馬如雲，太極圖的數學表達，《光明日報》第16版， 2016年10月17日 http://epaper.gmw.cn/gmrb/html/2016-10/17/nw.D110000gmrb_20161017_2-16.htm
[235] Jinxiang Wang, Ruyun Ma, S-shaped connected component for the fourth-order boundary value problem, Boundary Value Problems (2016) 2016:189, 1-13.
[234] Ruyun Ma, Chenghua Gao, Tianlan Chen, Radial positive solutions for Neumann problems without growth restrictions, Complex Variables and Elliptic Equations 2016, http://dx.doi.org/10.1080/17476933.2016.1251420
[233] Ruyun Ma, Chenghua Gao, Yanqiong Lu, Spectrum theory of second-order difference equations with indefinite weight, Journal of Spectral Theory, 2016
[232] Kegong Chen, Ruyun Ma, A Mathematic Expression of the Genes of Chinese Traditional Philosophy， arxiv: 1611.04293 http://arxiv.org/abs/1611.04293
[231] Ruyun Ma, Tianlan Chen, Multiple positive solutions of the Dirichlet problem for the prescribed mean curvature equation in Minkowski space, Electron. J. Differential Equations Vol. 2016 (2016), No. 180, pp. 1-7.
[230] Ruyun Ma, Tianlan Chen, Haiyan Wang, Nonconstant radial positive solutions of elliptic systems with Neumann boundary conditions, J. Math. Anal. Appl. 443 (2016) 542–565.
[229] 馬如雲，攻堅從最簡單的模型人手，《中國教育報》 2016年05月23日【名師論教】欄目. 原文鍊接：http://paper.jyb.cn/zgjyb/html/2016-05/23/content_456667.htm?div=-1
[228] Ruyun Ma, Ruikuan Liu, Multiplicity of radial solutions of quasilinear problems with minimum and maximum, Advanced Nonlinear Studies, Adv. Nonlinear Stud. 2016; 16 (2):273–286
[227] Chenghua Gao, Ruyun Ma, Eigenvalues of discrete Sturm–Liouville problems with eigenparameter dependent boundary conditions, Linear Algebra and its Applications 503 (2016) 100–119
[226] Ruyun Ma, Hongliang Gao, Yanqiong Lu，Global structure of radial positive solutions for aprescribed mean curvature problem in a ball，Journal of Functional Analysis 270(7)(2016), 2430-2455.
[225] Tianlan Chen, Ruyun Ma, Positive solutions for a class of semipositone Neumann problems, Boundary Value Problems (2016) 2016:19, 1-12.
[224] Ruyun Ma, Hongliang Gao, Yanqiong Lu, Construction of lower and upper solutions, Radial positive solutions of nonlinear elliptic systems with Neumann boundary conditions, J. Math. Anal. Appl. 434 (2016) 1240–1252.
[223] Ruyun Ma and Lu Zhang, Construction of lower and upper solutions for first-order periodic problem, Boundary Value Problems (2015) 2015:190, 1-8.
[222] Ruyun Ma and Yanqiong Lu, Multiplicity of positive solutions for second order nonlinear Dirichlet problem with one-dimension Minkowski-curvature operator, Advanced Nonlinear Studies 15 (2015), 789–803.
[221] 陳克恭,馬如雲， 中國太極圖理論的數學模型及應用II，77779193永利學報(自然科學版)(Natural science)，第51卷第6期， 2015， 1-5.
[220] 陳克恭,馬如雲， 中國太極圖理論的數學模型及應用，77779193永利學報(自然科學版)(Natural science)，第51卷第5期， 2015， 1-8.
[219] Hongliang Gao and Ruyun Ma, Multiple positive solutions for a class of Neumann problems, Electronic Journal of Qualitative Theory of Differential Equations 2015, No. 48, 1–7.
[218] Guo-Bao Zhang, Ruyun Ma, Existence, uniqueness and stability of traveling wavefronts for nonlocal dispersal equations with convolution type bistable nonlinearity, Electron. J. Diff. Equ., Vol. 2015 (2015), No. 144, pp. 1-27.
[217] Tianlan Chen, Ruyun Ma, Solvability for some boundary valueproblems with discrete φ-Laplacian operators, Advances in Difference Equations (2015) 2015:139.
[216] Ruyun Ma, Lu Zhang, Ruikuan Liu, Existence results for nonlinear problems with f-Laplacian, Electronic Journal of Qualitative Theory of Differential Equations 2015, No. 22, 1–7.
[215] Guowei Dai, Ruyun Ma, Haiyan Wang, Feng Wang, Kuai Xu, Partial differential equations with robin boundary condition in online social networks Discrete and Continuous Dynamical Systems series B 20(6), 2015, 1609–1624.
[214] Ruyun Ma, Ruipeng Chen, Yanqiong Lu, Coexistence states of an elliptic system modeling a population with two age groups, Computers and Mathematics with Applications 69 (2015), 1263–1271
[213] Ruyun Ma, Hongliang Gao, Positive convex solutions of boundary value problems arising from Monge-Ampère equations, Applied Mathematics and Computation 259 (2015) 390–402.
[212] Chenghua Gao, Ruyun Ma, Eigenvalues of discrete linear second-order periodic and antiperiodic eigenvalue problems with sign-changing weight, Linear Algebra and its Applications 467 (2015) 40–56.
[211] Guowei Dai, Ruyun Ma, Unilateral global bifurcation for p-Laplacian with non-p−1- linearization nonlinearity, Discrete and Continuous Dynamical Systems 35(1), 2015, 99–116.
[210] Guo-Bao Zhang, Ruyun Ma, Spreading speeds and traveling waves for a nonlocal dispersal equation with convolution-type crossing-monostable nonlinearity, Zeitschrift für angewandte Mathematik und Physik, 65(5), 2014, 819-844.
[209] Ruyun Ma, Ruipeng Chen and Yanqiong Lu, Positive solutions of an elliptic system modeling a population with two age groups, Applied Mathematics and Computation 249 (2014) 114-120.
[208] Lu Zhang, Ruyun Ma, Bifurcation structure of an asymptotically linear second-order semipositone discrete boundary value problem. J. Shandong Univ. Nat. Sci. 49 (2014), no. 3, 79-83.
[207] Ruyun Ma, Ruipeng Chen and Yanqiong Lu, Steady states of a nonlinear elliptic system arising from population dynamics, Boundary Value Problems 2014, 2014:185.
[206] RuyunMa and Lingfang Jiang, Existence of sign-changing solutions to equations involving the one-dimensional p-Laplacian, Journal of Applied Mathematics Volume 2014, Article ID 810193, 9 pages
[205] Yanqiong Lu and Ruyun Ma, Global structure of positive solutions for Second order difference equation with nonlinear boundary value condition, Advances in Difference Equations 2014, 2014:188, 11page.
[204] RuyunMa and Yanqiong Lu, Periodic solutions of second order nonlinear difference equations with singular -Laplacian operator, Discrete Dynamics in Nature and Society
Volume 2014, Article ID 637242, 10 pages.
[203] Hongliang Gao and Ruyun Ma, On a System Modelling a Population with Two Age Groups, Abstract and Applied Analysis Volume 2014, Article ID 920348, 5 pages.
[202] Ruyun Ma, Yanqiong Lu, Ruipeng Chen, Global Bifurcation of Positive Solutions of Asymptotically Linear Elliptic Problems, Abstract and Applied Analysis 2014, Article ID 749368, 7 pages.
[201] Yanqong Lu, Ruyun Ma and Hongliang Gao, Existence and multiplicity of positive solutions for one-dimension prescribed mean curvature equations, Boundary Value Problems 2014, 2014:120.
[200] Ruyun Ma, Ruipeng Chen, Yanqiong Lu, Method of lower and upper solutions for elliptic systems with nonlinear boundary condition and its applications, Journal of Applied Mathematics
Volume 2014, Article ID 705298, 7 pages.
[199] Ruyun Ma, Yanqiong Lu, Bifurcation from interval at infinity for discrete eigenvalue problems which are not linearizable, Advances in Difference Equations 2014, 2014:125 1-15.
[198] Ruyun Ma, Chenghua Gao, Spectrum of discrete second-order difference operator with sign-changing weight and its applications, Discrete Dynamics in Nature and Society, Volume 2014, Article ID 590968, 9 pages.
[197] Ruyun Ma, Lingfang Jiang, Existence of positive solutions of one-dimensional prescribed mean curvature equation, Mathematical Problems in Engineering, Volume 2014, Article ID 610926, 10 pages.
[196] Hua Luo and Ruyun Ma, The existence and application of unbounded connected components, Journal of Applied Mathematics, Volume 2014, Article ID 780486, 7 pages.
[195] Guowei Dai and Ruyun Ma, Bifurcations of positive or negative continuum from the Fucik spectrum and its applications, Communications in Applied Analysis 18 (2014), 225–238.
[194] Yanqiong Lu, Ruyun Ma, Existence of Positive Solutions for Second-Order Neumann Difference System, Journal of Function Spaces, Volume 2014, Article ID 815170, 6 pages.
[193] Ruikuan Liu, Ruyun Ma, Existence of positive solutions for an elastic beam equation with nonlinear boundary conditions, Journal of Applied Mathematics, Volume 2014, Article ID 972135, 5 pages
[192] Ruyun Ma, Ruipeng Chen, Zhiqian He, Positive periodic solutions of second-order differential equations with weak singularities, Applied Mathematics and Computation 232 (2014) 97-103.
[191] Ruyun Ma,Yanqiong Lu, Disconjugacy and extremal solutions of nonlinear third-order equations, Communications on Pure and Applied Analysis 13(3), 2014, 1223-1236.
[190] Ruyun Ma, Ruipeng Chen and Yanqiong Lu, Positive solutions for a class of sublinear elliptic systems, Boundary Value Problems 2014, 2014:28.
[189] Ruyun Ma,Yanqiong Lu, Existence of positive periodic solutions for second-order functional differential equations, Monatsh Math (2014) 173:67-81.
[188] Yanqiong Lu and Ruyun Ma, Reverse-Order Lower and Upper Functions for Periodic Problems of Second-Order Singular Difference Equations，Abstract and Applied Analysis Volume 2013, Article ID 176465, 5 pages.
[187] Ruyun Ma, Xilan Liu, and Jia Xu, Nodal Solutions of the p-Laplacian with Sign-Changing Weight, Abstract and Applied Analysis Volume 2013, Article ID 406350, 8 pages.
[186] Ruyun Ma, Chenghua Gao, and Yanqiong Lu, Spectrum of Discrete Second-Order Neumann Boundary Value Problems with Sign-Changing Weight, Abstract and Applied Analysis Volume 2013, Article ID 280508, 10 pages.
[185] Ruyun Ma, Guowei Dai, Global bifurcation and nodal solutions for a Sturm–Liouville problem with a nonsmooth nonlinearity, Journal of Functional Analysis 265 (2013), 1443–1459.
[184] Ruyun Ma, Chenghua Gao, Bifurcation of positive solutions of a nonlinear discrete fourth-order boundary value problem, Z. Angew. Math. Phys. 64(3) (2013), 493–506.
[183] Ruyun Ma, Haiyan Wang, Mohammed Elsanosi, Spectrum of a linear fourth-order differential operator and its applications, Math. Nachr., 1–15 (2013) / DOI 10.1002/mana.201200288.
[182] Ruyun Ma, Jinyi Sun, Mohammed Elsanosi, Sign-changing solutions of second order dirichlet problem with impulse effects, Dynamics of Continuous, Discrete and Impulsive Systems, Series A: Mathematical Analysis 20 (2013) 241-251.
[181] Ruyun Ma, Yanqiong Lu, Ahmed Omer Mohammed Abubaker, On positive solutions to equations involving the one-dimensional p-Laplacian, Boundary Value Problems 2013, 2013:125.
[180] Guowei Dai, Ruyun Ma, Yanqiong Lu, Bifurcation from infinity and nodal solutions of quasilinear problems without the signum condition. J. Math. Anal. Appl. 397 (2013), no. 1, 119–123.
[179] Ruipeng Chen, Ruyun Ma, Global bifurcation of positive radial solutions for an elliptic system in reactor dynamics. Comput. Math. Appl. 65 (2013), no. 8, 1119–1128.
[178] Yong-Kui Chang, Ruyun Ma, Zhi-Han Zhao, Almost periodic solutions to a stochastic differential equation in Hilbert spaces. Results Math. 63 (2013), no. 1-2, 435–449.
[177] 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.
[176] 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.
[175] 馬如雲,陳瑞鵬,李傑梅,非線性Neumann問題正解的存在性,數學學報 56(3)，2013.
[174] Guo-Bao Zhang and Ruyun Ma, Spreading speeds and traveling waves for a nonlocal dispersal equation with convolution-type crossing-monostable nonlinearity, Z. Angew. Math. Phys.DOI 10.1007/s00033-013-0353-X
[173] 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.
[172] 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.
[171] 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.
[170] 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.
[169] Ruyun Ma, Yanqiong Lu, Positive periodic solutions of second-order difference equations with weak singularities, Adv. Difference Equ. 2012, 2012:90, 11 pp.
[168] 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.
[167] 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.
[166] Ruyun Ma, Bianxia Yang, Guowei Dai, Nodal solutions of second-order two-point boundary value problems, Bound. Value Probl. 2012, 2012:13, 10 pp.
[165] 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.
[164] Ruiupeng Chen, Ruyun Ma, Positive solutions of the second-order differential systems in reactor dynamics, Appl. Math. Comput. 219(8) (2012), 3882–3892.
[163] 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.
[162] Ruiupeng Chen, Ruyun Ma, Zhiqian He, Positive periodic solutions of first-order singular systems, Appl. Math. Comput. 218 (23)(2012), 11421–11428.
[161] 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.
[160] Guowei Dai, Ruyun Ma, Unilateral global bifurcation phenomena and nodal solutions for p-Laplacian, J. Differential Equations 252 (2012), no. 3, 2448–2468.
[159] 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.
[158] 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.
[157] 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,
[156] 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.
[155] 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.
[154] 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.
[153] Ruyun Ma, Nonlinear periodic boundary value problems with sign-changing Green’s function, Nonlinear Analysis ,74 (2011) 1714–1720.
[152] Ruyun Ma, Guowei Dai, Periodic solutions of nonlocal semilinear fourth-order differential equations , Nonlinear Analysis: TMA 74(15), 2011, 5023-5029.
[151] Guowei Dai, Ruyun Ma, Solutions for a p(x)-Kirchhoff type equation with Neumann boundary data, Nonlinear Analysis:RWA 12(5), 2011, 2666-2680.
[150] 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.
[149] 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.
[148] 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.
[147] 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.
[146] 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.
[145] Ruyun Ma, Second order periodic problems in the presence of dry friction, Nonlinear Analysis: RWA 12（6） (2011), 3306–3314.
[144] 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.
[143] 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.
[142] 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.
[141] Ruyun Ma, Existence of periodic solutions of a generalized friction oscillator, Nonlinear Anal. RWA 11(5) (2010), 3316–3322.
[140] Ruyun Ma, Jiemei Li, Existence of positive solutions of a singular nonlinear boundary value problem, Bound. Value Probl. 2010, Art. ID 458015, 16 pp.
[139] 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.
[138] 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.
[137] 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.
[136] 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.
[135] 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.
[134] Ruyun Ma, Youji Xu, Existence of positive solution for nonlinear fourth-order difference equations, Comput. Math. Appl. 59 (2010) (12), 3770–3777.
[133] Ruyun Ma, Ling Xu, Existence of positive solutions of a nonlinear fourth-order boundary value problem, Appl. Math. Lett., 23 (2010)(5), 537–543.
[132] 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.
[131] Ruyun Ma, Huili Ma, Positive solutions for nonlinear discrete periodic boundary value problems, Comput. Math. Appl. 59 (1) (2010), 136–141.
[130] 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.
[129] 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.
[128] 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.
[127] Youji Xu, Chenghua Gao, Ruyun Ma, Solvability of a nonlinear fourth-order discrete problem at resonanc, Appl. Math. Comput. 216(2) (2010), 662–670.
[126] 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.
[125] 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.
[124] 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.
[123] 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.
[122] 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.
[121] Ruyun Ma, Huili Ma, Unbounded perturbations of nonlinear discrete periodic problem at resonance, Nonlinear Analysis: TMA 70(7), 2602-2613.
[120] 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.
[119] Hongxia Fan, Ruyun Ma, Loss of positivity in a nonlinear second order ordinary differential equations, Nonlinear Analysis: TMA 71(1-2), 2009, 437-444.
[118] 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.
[117] 馬如雲, 高承華, Global bifurcation of periodic solutions to second-order ordinary differential equations. (Chinese), Acta Math. Sci. Ser. A 29（5） (2009), 1223–1232.
[116] 馬如雲, 範虹霞, 韓曉玲, 二階常微分方程無窮多點邊值問題的正解, 數學物理學報, 29A(3), 2009, 699-706.
[115] 徐登洲, 馬如雲, 專著《線性微分方程的非線性擾動》,科學出版社. 2008年第二版, (1994 年第一版).
[114] Ruyun Ma, Global behavior of the components of nodal solutions of asymptotically linear eigenvalue problems, Applied Mathematics Letters 21 (2008) 754–760.
[113] Ruyun Ma, Yang Yunrui, Existence result for a singular nonlinear boundary value problem at resonance, Nonlinear Analysis: TMA 68(3),2008, 671-680.
[112] Ruyun Ma, Huili Ma, Unbounded perturbations of nonlinear discrete periodic problem at resonance, Nonlinear Analysis: TMA.
[111] Ruyun Ma, Huili Ma, Existence of Sign-Changing Periodic Solutions of Second Order Difference Equations, Applied Mathematics and Computation 203(2), 2008, 463-470.
[110] Ruyun Ma, Bevan Thompson, Nodal Solutions for a Nonlinear Fourth-Order Eigenvalue Problem, Acta Mathematica Sinic, English Series 24(1), 2008, 27–34.
[109] 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.
[108] Ruyun Ma, Hua Luo, Chenghua Gao, On Nonresonance Problems of Second-Order Difference Systems, Advances in Difference Equations,2008, Article ID 469815, 10 pages.
[107] Ruyun Ma, Donal O’Regan, Asymptotic nonuniform nonresonance conditions for a nonlinear discrete boundary value problem. Dynamic Systems and Applications 17 (2008) 271-282.
[106] Ruyun Ma, Chenghua Gao, Sign-Changing Solutions of Nonlinear Boundary Value Problems of Difference Equations, Indian Journal for Pure and Applied Mathematics.
[105] 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.
[104] Ruyun Ma, Bifurcation from Infinity and Multiple Solutions for Some Discrete Sturm-Liouville Problems, Comput Math Appl., 54(4)August 2007, 535-543.
[103] Ruyun Ma, Nodal Solutions for Singular Nonlinear Eigenvalue Problems,Nonlinear Analysis, 66(2007), 1417-1427.
[102] Ruyun Ma, Nodal Solutions of Second-Order Boundary Value Problems with Superlinear or Sublinear Nonlinearities, Nonlinear Analysis, 66(4) (2007), 950-961.
[101] Ruyun Ma, Yunrui Yang, Existence result for a singular nonlinear boundary value problem at resonance, Nonlinear Analysis TMA 68(3), 2008, 671-680.
[100] Ruyun Ma, Nonlinear discrete Sturm-Liouville problems at resonance, Nonlinear Analysis: TMA 67(11) 2007, 3050-3057.
[99] Ruyun Ma, Positive solutions for boundary value problems of functional differential equations, Applied Mathematics and Computation, 193(1), 2007, 66-72.
[98] Michal Fe?kan, Ruyun Ma, B. Thompson,Forced Symmetric Oscillations,Bull. Belg. Math. Soc. Simon Stevin 14(1) (2007), 73--85.
[97] Michal Fe?kan, Ruyun Ma, B. Thompson, Weakly coupled oscillators and topological degree,Bulletin des Sciences Mathématiques,131(6), 2007, 559-571.
[96] Ruyun Ma, A survey on nonlocal boundary value problems, Appl. Math. E-Notes, 7(2007), 257-279.
[95] Ruyun Ma, Nodal solutions for a fourth-order two-point boundary value problem,J. Math. Anal. Appl., 314(1), 2006, 254-265.
[94] Ruyun Ma, Nodal Solutions for a Second-Order m-Point Boundary Value Problem, Czechoslovak Mathematical Journal 56(4), 2006, 1243-1263.
[93] 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.
[92] 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.
[91] Douglas R. Anderson, Ruyun Ma, Second-order n-point eigenvalue problems on time scales, Adv. Difference Equ., 2006, Art. ID 59572, 17 pp.
[90] Ruyun Ma, Nodal solutions for a fourth-order two-point boundary value problem. J. Math. Anal. Appl. 314(1) (2006), 254-265.
[89] Ruyun Ma, Nodal Solutions of Boundary Value Problems of Fourth-Order Ordinary Differential Equations, J. Math. Anal. Appl., 319(2), 2006, 424-434.
[88] Hua Luo, Ruyun Ma, Nodal solutions to nonlinear eigenvalue problems on time scales, Nonlinear Anal. 65(4) (2006), 773--784.
[87] 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.
[86] Ruyun Ma, Multiplicity results for an m-point boundary value problem at resonance, Indian Journal of Mathematics, 47(1), 2005, 15-31.
[85] Ruyun Ma, Existence of positive solutions of a fourth-order boundary value problem, Applied Mathematics and Computation 168/2, 2005, 1219-1231.
[84] 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.
[83] 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.
[82] Ruyun Ma, Bevan Thompson, A note on bifurcation from an interval, Nonlinear Analysis, 62(4), 2005, 743-749.
[81] Ruyun Ma, D. O’Regan, Solvability of singular second order m- point boundary value problems, J. Math. Anal. Appl., 301(2005), 124-134.
[80] Ruyun Ma, Bevan Thompson, Global behavior of positive solutions of nonlinear three-point boundary value problems, Nonlinear Analysis 60(4), 2005, 685-701.
[79] 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.
[78] 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.
[77] 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.
[76] Ruyun Ma, Christopher C. Tisdell, Positive Solutions of Singular Sublinear Fourth-Order Boundary Value Problems, Applicable Analysis, 84(12) 2005, 1199-1220.
[75] Ruyun Ma, Yulian An, Uniqueness of positive solutions of a class of ODE with nonlinear boundary conditions, Boundary Value Problems, 3(2005), 289-298.
[74] 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.
[73] 馬如雲, 專著《非線性常微分方程非局部問題》,科學出版社 2004.05 .
[72] Ruyun Ma, Multiple positive solutions for nonlinear m-point boundary value problems, Applied Mathematics and Computation,148 (2004), no. 1, 249-262.
[71] 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.
[70] 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.
[69] Ruyun Ma, Existence results of a m-point boundary value problem at resonance, J. Math. Anal. Appl., 294(1) (2004), 147-157.
[68] Ruyun Ma, Positive solutions for nonhomogeneous $m$-point boundary value problems, Comput. Math. Appl., 47（4-5）(2004), 689--698.
[67] Ruyun Ma, Bevan Thompson, Positive solutions for nonlinear m-point eigenvalue problems, J. Math. Anal. Appl., 297(2004), 24-37.
[66] Ruyun Ma, Bevan Thompson, Nodal solutions for nonlinear eigenvalue problems, Nonlinear Analysis ,59(2004), 707-718.
[65] 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..
[64] 馬如雲, Positive solutions for second-order $m$-point boundary value problems of Robin type. (Chinese), 數學物理學報, Ser. A 24(3) (2004), 307--318.
[63] 馬如雲, 宋靈宇, Positive solutions of an equation associated with an elastic beam with simply supported end-points. (Chinese) , 數學研究與評論, J. Math. Res. Exposition 24 (2)(2004), 317--320.
[62] 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.
[61] 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.
[60] Ma Ruyun, Existence of positive solution for second order boundary value problems on infinity intervals, Applied Math. Letters, 16(1)(2003), 33-39.
[59] 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.
[58] Ruyun Ma, Existence of positive solutions for superlinear semipositone $m$-point boundary-value problems, Proc. Edinburgh Math. Soc.,46 (2)(2003) 279-292.
[57] Ruyun Ma, Haiyan Wang, Positive solutions of nonlinear three-point boundary-value problems, J. Math. Anal. Appl.,279(1)2003, 216-227.
[56] Ruyun Ma, Multiplicity results for a three-point boundary value problem at resonance, Nonlinear Analysis, 53(6) (2003), 777-789.
[55] Ruyun Ma, Existence of positive solutions for a nonlinear fourth-order two-point, Boundary Value Problems, Ann. Polon. Math.,81(1)(2003), 79-84 .
[54] 馬如雲, 一類非線性m-點邊值問題正解的存在性, 數學學報46(4),2003, 785-794.
[53] Ruyun Ma, Multiple positive solutions for a semipositone fourth-order boundary value problem, Hiroshima Mathematics Journal 33(2), 2003, 217-227.
[52] 姚慶六, 馬如雲, 關于非線性特征值問題的一個正解定理, 數學雜志23(1),2003，91-94
[51] 白定勇, 馬如雲, 一階脈沖積分微分方程邊值問題, 中山大學學報42（1） 3003，16-19.
[50] Ruyun Ma, Existence of positive solutions for second order three-point boundary value problems, Annales Polonici Mathematici, 79（3）(2002), 265-276.
[49] Ruyun Ma, Existence and uniqueness of solutions to first order three-point boundary value problems, Applied Math. Letters, 15(2) (2002)，211-216.
[48] Ruyun M, Daomin Cao, Positive solutions to an m-point boundary value problem, Appl. Math. J. Chinese Univ. Ser. B 17 (2002), 24--30.
[47] 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.
[46] 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.
[45] Ma Yu Hong, Ma Ruyun, Existence of positive solutions for sublinear semipositive boundary value problems , J. Math. Res. Exposition , 22 (2002), 621--625.
[44] Ruyun Ma, Positive solutions for a nonlinear m-point boundary value problem, Comput. Math. Appl. ,42 (2001), 755-765.
[43] Ruyun Ma, Positive solution for second order three-point boundary value problems, Appl. Math. Lett., 14(2001), 1-5.
[42] Ruyun Ma, Positive solutions for second order functional differential equations,Dynam. Systems Appl.,10 (2001), no. 2, 215--223.
[41] Ruyun Ma, N. Castaneda ,Existence of solutions of nonlinear m-point boundary-value problems, J. Math. Anal. Appl. 256 (2)(2001), 556--567.
[40] 馬如雲, 王汝發, 任立順, Existence results for semi-positone boundary value problems, Acta Mathematica Scientia,21(B)(2) , 2001, 189-195.
[39] Ruyun Ma, Positive solutions for second order functional differential equations,Nonlinear Stud., 8 (2001), 239-247.
[38] Ruyun Ma, Positive solution for semipositone (n,n-k) boundary value problems, J. Math. Anal. Appl.,252, 2000, 220-229.
[37] Ruyun Ma, Multiple nonnegative solutions of second-order systems of boundary value problems, Nonlinear Anal. 42(6) (2000), Ser. A: Theory Methods, 1003-1010.
[36] 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.
[35] Ruyun Ma, Multiplicity of positive solutions for second-order three-point boundary value problems, Comput. Math. Appl. 40 (2000), no. 2-3, 193-204.
[34] Nelson Castaneda, Ruyun Ma, Positive solutions to a second order three-point boundary value problem, Applicable Analysis, 76(3-4), 2000, 231—239.
[33] Ruyun Ma, Existence and uniqueness theorems for some fourth-order nonlinear boundary value problems, International J. Math. & Math.Sci. 23(11) (2000),783-788.
[32] Daomin Cao, Ruyun Ma, Positive Solutions to a Second Order m-Point Boundary Value Problem, Electronic J. Diff. Eqns. 2000(2000), 65,1-8.
[31] Ma Ruyun, Positive solutions of a nonlinear three-point boundary value problem, Electronic J. Diff. Eqns., 1999(1999),34, 1-8.
[30] 馬如雲, 非線性周期邊值問題周期解的個數, 數學年刊20A(4), 1999.
[29] Ma Ruyun, Positive solutions of fourth-order two-point boundary value problems, Ann. of Diff. Eqs., 5:3(1999), 305-313.
[28] Ruyun Ma, Multiplicity results for a third order boundary value problem at resonance, NonlinearAnal.TMA27:7 1998.
[27] Zhang J., Ma Ruyun, Minimax inequalities of Ky Fan, Appl. Math. Lett.,11:6, 1998.
[26] 馬如雲, 奇異二階邊值問題的正解, 數學學報41(6),1998，1225-1230.
[25] Ruyun Ma, Existence theorems for a second order m-point boundary value problem, J. Math. Anal. Appl., 1997,211(2), 545–555.
[24] Ruyun Ma, Existence theorems for a second order three-point boundary value problem, J. Math. Anal. Appl., 1997,212(2), 430–442.
[23] 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.
[22] Shenmao Fu, Ma Ruyun, Existence of coexistence state of periodic competition diffusion system, Nonlinear Anal., TMA 28:7,1997 .
[21] Ruyun Ma, Solvability of a class of fourth-order two-point boundary value problems. (Chinese), Math. Appl.,10 (2)(1997), 60-62.
[20] Ruyun Ma, On a nonlinear fourth order elliptic problem, Applicable Analysis TMA 66(1-2), 1997,107-117.
[19] Ruyun Ma, Existence of positive radial solution for elliptic system, J. Math. Anal. Appl., 201,1996 .
[18] Ruyun Ma, On a conjecture concerning the multiplicity of positive solutions of elliptic problem, Nonlinear Anal. TMA 27:7,1996, 775–780 .
[17] 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.
[16] 馬如雲, 伏升茂 , 李占存, 扭轉映射的一個不動點定理, 數學研究與評論16(3) 1996.
[15] Ma Ruyun Wang H., On the existence of positive solutions of fourth order ODE, Applicable Analysis, 59(1-4) 1995, 225-231.
[14] 馬如雲, 一類四階周期邊值問題的可解性, 數學物理學報, 15(3) 1995.
[13] 馬如雲, 馬勤生,一類四階邊值問題的多解結果, 應用數學和力學16(10)1995.
[12] 馬如雲, 一類Lazer--Meknna 吊橋型藕合方程的周期解, 工程數學學報12(2)，1995.
[11] 馬如雲, 滑動支撐彈性梁靜态方程可解性, 純粹數學與應用數學11:2，1995.
[10] 徐登洲, 馬如雲, 專著《線性微分方程的非線性擾動》,科學出版社,1994 年第一版.
[9] 馬如雲, 一類半線性兩點邊值共振問題可解性, 數學學報36(1),1993.
[8] 馬如雲, 半線性Duffing方程周期邊值問題的可解性, 數學年刊14A(4),1993.
[7] 馬如雲, 彈性梁方程共振問題幾個多解存在定理, 應用數學和力學14(2),1993.
[6] 馬如雲, A nonlinear two point boundary value problem at resonance, 科學通報37,1992.
[5] 徐登州, 姚慶六, 馬如雲, 一類橢圓共振問題的可解性, 高校應用數學學報6(1),1991.
[4] 徐登洲, 馬如雲, Bounded perturbation of second order ordinary differential equations.,數學進展19(2), 1990.
[3] 姚慶六, 馬如雲, 幾類半線性橢圓共振問題, 數學研究與評論10(1)1990.
[2] 馬如雲, 傳染病模型的非線性積分方程非零解的唯一性, 生物數學學報5:2,1990.
[1] 馬如雲, 傳染病模型非線性積分方程正解的連通分支, 生物數學學報5:3,1990.
