Edit Profile (opens in new tab) Wu, Yongfeng Co-Author Distance Author ID: wu.yongfeng Published as: Wu, Yongfeng; Wu, Yong-Feng; Wu, Yong Feng more...less Documents Indexed: 68 Publications since 1986 Co-Authors: 27 Co-Authors with 46 Joint Publications 949 Co-Co-Authors all top 5 Co-Authors 14 single-authored 8 Volodin, Andrei I. 6 Song, Mingzhu 6 Zhu, Dongjin 5 Peng, Jiangyan 4 Rosalsky, Andrew 4 Widmayer, Peter 4 Wong, Chak-Kuen 3 Guan, Mei 3 Guo, Mingle 3 Lee, Der-Tsai 3 Shen, Guangjun 2 Fang, Huiping 2 Ge, Meimei 2 Hu, Tienchung 2 Huang, Xiang 2 Ordóñez Cabrera, Manuel H. 2 Schlag, M. D. F. 2 Wang, Chunhua 2 Zhai, Mingqing 1 Dai, Zexing 1 de Rezende, Pedro Jussieu 1 Ding, Hui 1 Fang, Liandi 1 Hu, Ling 1 Jia, Shengji 1 Jiang, Heping 1 Liang, Xue 1 Lv, Wenhua 1 Sarrafzadeh, Majid 1 Sung, Soohak 1 Wang, Ying 1 Xiang, Yayun 1 Zhang, Chunming all top 5 Serials 6 Journal of Inequalities and Applications 5 Applications of Mathematics 4 Journal of Mathematical Inequalities 3 Journal of Systems Science and Mathematical Sciences 3 Communications in Statistics. Theory and Methods 3 Glasnik Matematički. Serija III 3 Advances in Difference Equations 2 Lithuanian Mathematical Journal 2 Collectanea Mathematica 2 SIAM Journal on Computing 2 Chinese Journal of Applied Probability and Statistics 2 Pure and Applied Mathematics 2 Chinese Quarterly Journal of Mathematics 2 Journal of the Korean Statistical Society 1 Acta Informatica 1 Journal of Mathematical Analysis and Applications 1 Rocky Mountain Journal of Mathematics 1 Theory of Probability and its Applications 1 Computing 1 Journal of the Korean Mathematical Society 1 Kybernetika 1 Journal of Mathematics. Wuhan University 1 Acta Mathematicae Applicatae Sinica 1 Bulletin of the Korean Mathematical Society 1 Mathematics in Practice and Theory 1 Algorithmica 1 Discrete & Computational Geometry 1 Mathematica Applicata 1 Statistica Sinica 1 Journal of Mathematical Study 1 Mathematical Theory and Application 1 Journal of Zhejiang University. Science Edition 1 Acta Mathematica Scientia. Series A. (Chinese Edition) 1 Hacettepe Journal of Mathematics and Statistics 1 Journal of Hefei University of Technology. Natural Science 1 Stochastics 1 Chinese Journal of Engineering Mathematics 1 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM 1 Journal of Mathematical Research with Applications 1 The Scientific World Journal. Probability and Statistics all top 5 Fields 55 Probability theory and stochastic processes (60-XX) 7 Statistics (62-XX) 7 Computer science (68-XX) 3 Combinatorics (05-XX) 2 Geometry (51-XX) 2 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 2 Biology and other natural sciences (92-XX) 1 Partial differential equations (35-XX) 1 Dynamical systems and ergodic theory (37-XX) 1 Sequences, series, summability (40-XX) 1 Operations research, mathematical programming (90-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 44 Publications have been cited 207 times in 148 Documents Cited by ▼ Year ▼ Geometric complexity of some location problems. Zbl 0639.68038 Lee, D. T.; Wu, Y. F. 48 1986 On some distance problems in fixed orientations. Zbl 0625.68049 Widmayer, P.; Wu, Y. F.; Wong, C. K. 37 1987 Convergence properties of the partial sums for sequences of end random variables. Zbl 1264.60023 Wu, Yongfeng; Guan, Mei 32 2012 Rectilinear shortest paths in the presence of rectangular barriers. Zbl 0655.05041 de Rezende, P. J.; Lee, D. T.; Wu, Y. F. 31 1989 Convergence properties of partial sums for arrays of rowwise negatively orthant dependent random variables. Zbl 1294.60056 Wu, Yong-Feng; Zhu, Dong-jin 18 2010 Mean convergence theorems and weak laws of large numbers for weighted sums of dependent random variables. Zbl 1208.60024 Wu, Yongfeng; Guan, Mei 14 2011 A faster approximation algorithm for the Steiner problem in graphs. Zbl 0592.68062 Wu, Y. F.; Widmayer, P.; Wong, C. K. 14 1986 A note on the rates of convergence for weighted sums of \(\rho^\ast\)-mixing random variables. Zbl 1319.60065 Wu, Yongfeng; Sung, Soo Hak; Volodin, Andrei 14 2014 Complete convergence and complete moment convergence for arrays of rowwise END random variables. Zbl 1319.60064 Wu, Yongfeng; Cabrera, Manuel Ordóñez; Volodin, Andrei 12 2014 Minimum cuts for circular-arc graphs. Zbl 0711.68060 Lee, D. T.; Sarrafzadeh, M.; Wu, Y. F. 11 1990 On limiting behavior for arrays of rowwise negatively orthant dependent random variables. Zbl 1294.60057 Wu, Yongfeng; Ordóñez Cabrera, Manuel; Volodin, Andrei 11 2013 Limiting behavior for arrays of rowwise \(\rho^\ast\)-mixing random variables. Zbl 1283.60053 Wu, Yongfeng; Wang, Chunhua; Volodin, Andrei 11 2012 Complete moment convergence and mean convergence for arrays of rowwise extended negatively dependent random variables. Zbl 1328.60089 Wu, Yongfeng; Song, Mingzhu; Wang, Chunhua 10 2014 Limiting behaviour for arrays of row-wise END random variables under conditions of \(h\)-integrability. Zbl 1325.60036 Wu, Yongfeng; Peng, Jiangyan; Hu, Tien-Chung 9 2015 Complete convergence and complete moment convergence for weighted sums of \(m\)-NA random variables. Zbl 1379.60034 Wu, Yongfeng; Hu, Tien-Chung; Volodin, Andrei 8 2015 On complete moment convergence for arrays of rowwise negatively associated random variables. Zbl 1296.60078 Wu, Yongfeng 7 2014 On the complete convergence for weighted sums of extended negatively dependent random variables. Zbl 1483.60050 Wu, Yongfeng; Zhai, Mingqing; Peng, Jiangyan 7 2019 Strong convergence for weighted sums of arrays of rowwise pairwise NQD random variables. Zbl 1305.60023 Wu, Yongfeng 6 2014 On the sum of the two largest Laplacian eigenvalues of trees. Zbl 1307.05138 Guan, Mei; Zhai, Mingqing; Wu, Yongfeng 6 2014 Convergence properties for arrays of rowwise pairwise negatively quadrant dependent random variables. Zbl 1265.60067 Wu, Yongfeng; Wang, Dingcheng 5 2012 Jump-diffusion CIR model and its applications in credit risk. Zbl 1367.91184 Wu, Yongfeng 4 2014 On convergence for sequences of pairwise negatively quadrant dependent random variables. Zbl 1340.60046 Wu, Yongfeng; Shen, Guangjun 3 2014 Strong convergence for \(m\)-pairwise negatively quadrant dependent random variables. Zbl 1323.60053 Wu, Yongfeng; Rosalsky, Andrew 3 2015 Vasicek model with mixed-exponential jumps and its applications in finance and insurance. Zbl 1445.91065 Wu, Yongfeng; Liang, Xue 3 2018 On some union and intersection problems for polygons with fixed orientations. Zbl 0571.68050 Widmayer, P.; Wu, Y. F.; Schlag, M. D. F.; Wong, C. K. 2 1986 A note on strong law of large numbers for partial sums of pairwise NQD random variables. Zbl 1313.60053 Wu, Yongfeng; Guo, Mingle 2 2014 Complete convergence theorems for normed row sums from an array of rowwise pairwise negative quadrant dependent random variables with application to the dependent bootstrap. Zbl 1363.60038 Rosalsky, Andrew; Wu, Yongfeng 2 2015 Strong convergence for weighted sums of \(\rho^*\)-mixing random variables. Zbl 1312.60028 Wu, Yongfeng; Peng, JiangYan 2 2014 Strong convergence theorems for coordinatewise negatively associated random vectors in Hilbert space. Zbl 1497.60037 Huang, Xiang; Wu, Yongfeng 2 2018 Some mean convergence and complete convergence theorems for sequences of \(m\)-linearly negative quadrant dependent random variables. Zbl 1299.60047 Wu, Yongfeng; Rosalsky, Andrew; Volodin, Andrei 2 2013 Delay-induced Hopf bifurcation in a diffusive Holling-Tanner predator-prey model with ratio-dependent response and Smith growth. Zbl 1446.92222 Fang, Huiping; Hu, Ling; Wu, Yongfeng 2 2018 Hopf bifurcation in a diffusive predator-prey model with Smith growth rate and herd behavior. Zbl 1486.92164 Jiang, Heping; Fang, Huiping; Wu, Yongfeng 2 2020 On some union and intersection problems for polygons with fixed orientations. Zbl 0579.68044 Widmayer, P.; Wu, Y. F.; Schlag, M. D. F.; Wong, C. K. 1 1986 Complete moment convergence for arrays of rowwise negatively associated random variables. Zbl 1299.60048 Wu, Yongfeng; Shen, Guangjun 1 2013 Complete convergence of weighted sums for pairwise NQD random arrays. Zbl 1174.60356 Wu, Yongfeng; Zhu, Dongjin 1 2008 Complete moment convergence for weighted sums of \(\rho^*\)-mixing random variables. Zbl 1313.60050 Wu, Yongfeng 1 2014 A correction to “Some mean convergence and complete convergence theorems for sequences of \(m\)-linearly negative quadrant dependent random variables”. Zbl 1424.60042 Wu, Yongfeng; Rosalsky, Andrew; Volodin, Andrei 1 2017 Complete moment convergence of weighted sums for arrays of negatively dependent random variables and its applications. Zbl 1343.60028 Wu, Yongfeng; Volodin, Andrei 1 2016 Some limit theorems for arrays of rowwise pairwise negatively quadratic dependent random variables. Zbl 1320.60078 Wu, Y. F. 1 2015 Complete \(q\)th moment convergence of weighted sums for arrays of rowwise negatively dependent random variables. Zbl 1324.60028 Guo, Mingle; Zhu, Dongjin; Wu, Yongfeng 1 2014 Complete convergence and the strong laws of large numbers for pairwise NQD random variables. Zbl 07539750 Wu, Yongfeng; Peng, JiangYan 1 2019 Complete moment convergence for weighted sums of arrays of Banach-space-valued random elements. Zbl 1347.60026 Wu, Yongfeng; Song, Mingzhu 1 2016 On limiting behavior for arrays of rowwise linearly negative quadrant dependent random variables. Zbl 1276.60037 Wu, Yong-Feng 1 2013 On complete moment convergence for arrays of rowwise pairwise negatively quadrant dependent random variables. Zbl 1499.60083 Ge, Meimei; Dai, Zexing; Wu, Yongfeng 1 2019 Hopf bifurcation in a diffusive predator-prey model with Smith growth rate and herd behavior. Zbl 1486.92164 Jiang, Heping; Fang, Huiping; Wu, Yongfeng 2 2020 On the complete convergence for weighted sums of extended negatively dependent random variables. Zbl 1483.60050 Wu, Yongfeng; Zhai, Mingqing; Peng, Jiangyan 7 2019 Complete convergence and the strong laws of large numbers for pairwise NQD random variables. Zbl 07539750 Wu, Yongfeng; Peng, JiangYan 1 2019 On complete moment convergence for arrays of rowwise pairwise negatively quadrant dependent random variables. Zbl 1499.60083 Ge, Meimei; Dai, Zexing; Wu, Yongfeng 1 2019 Vasicek model with mixed-exponential jumps and its applications in finance and insurance. Zbl 1445.91065 Wu, Yongfeng; Liang, Xue 3 2018 Strong convergence theorems for coordinatewise negatively associated random vectors in Hilbert space. Zbl 1497.60037 Huang, Xiang; Wu, Yongfeng 2 2018 Delay-induced Hopf bifurcation in a diffusive Holling-Tanner predator-prey model with ratio-dependent response and Smith growth. Zbl 1446.92222 Fang, Huiping; Hu, Ling; Wu, Yongfeng 2 2018 A correction to “Some mean convergence and complete convergence theorems for sequences of \(m\)-linearly negative quadrant dependent random variables”. Zbl 1424.60042 Wu, Yongfeng; Rosalsky, Andrew; Volodin, Andrei 1 2017 Complete moment convergence of weighted sums for arrays of negatively dependent random variables and its applications. Zbl 1343.60028 Wu, Yongfeng; Volodin, Andrei 1 2016 Complete moment convergence for weighted sums of arrays of Banach-space-valued random elements. Zbl 1347.60026 Wu, Yongfeng; Song, Mingzhu 1 2016 Limiting behaviour for arrays of row-wise END random variables under conditions of \(h\)-integrability. Zbl 1325.60036 Wu, Yongfeng; Peng, Jiangyan; Hu, Tien-Chung 9 2015 Complete convergence and complete moment convergence for weighted sums of \(m\)-NA random variables. Zbl 1379.60034 Wu, Yongfeng; Hu, Tien-Chung; Volodin, Andrei 8 2015 Strong convergence for \(m\)-pairwise negatively quadrant dependent random variables. Zbl 1323.60053 Wu, Yongfeng; Rosalsky, Andrew 3 2015 Complete convergence theorems for normed row sums from an array of rowwise pairwise negative quadrant dependent random variables with application to the dependent bootstrap. Zbl 1363.60038 Rosalsky, Andrew; Wu, Yongfeng 2 2015 Some limit theorems for arrays of rowwise pairwise negatively quadratic dependent random variables. Zbl 1320.60078 Wu, Y. F. 1 2015 A note on the rates of convergence for weighted sums of \(\rho^\ast\)-mixing random variables. Zbl 1319.60065 Wu, Yongfeng; Sung, Soo Hak; Volodin, Andrei 14 2014 Complete convergence and complete moment convergence for arrays of rowwise END random variables. Zbl 1319.60064 Wu, Yongfeng; Cabrera, Manuel Ordóñez; Volodin, Andrei 12 2014 Complete moment convergence and mean convergence for arrays of rowwise extended negatively dependent random variables. Zbl 1328.60089 Wu, Yongfeng; Song, Mingzhu; Wang, Chunhua 10 2014 On complete moment convergence for arrays of rowwise negatively associated random variables. Zbl 1296.60078 Wu, Yongfeng 7 2014 Strong convergence for weighted sums of arrays of rowwise pairwise NQD random variables. Zbl 1305.60023 Wu, Yongfeng 6 2014 On the sum of the two largest Laplacian eigenvalues of trees. Zbl 1307.05138 Guan, Mei; Zhai, Mingqing; Wu, Yongfeng 6 2014 Jump-diffusion CIR model and its applications in credit risk. Zbl 1367.91184 Wu, Yongfeng 4 2014 On convergence for sequences of pairwise negatively quadrant dependent random variables. Zbl 1340.60046 Wu, Yongfeng; Shen, Guangjun 3 2014 A note on strong law of large numbers for partial sums of pairwise NQD random variables. Zbl 1313.60053 Wu, Yongfeng; Guo, Mingle 2 2014 Strong convergence for weighted sums of \(\rho^*\)-mixing random variables. Zbl 1312.60028 Wu, Yongfeng; Peng, JiangYan 2 2014 Complete moment convergence for weighted sums of \(\rho^*\)-mixing random variables. Zbl 1313.60050 Wu, Yongfeng 1 2014 Complete \(q\)th moment convergence of weighted sums for arrays of rowwise negatively dependent random variables. Zbl 1324.60028 Guo, Mingle; Zhu, Dongjin; Wu, Yongfeng 1 2014 On limiting behavior for arrays of rowwise negatively orthant dependent random variables. Zbl 1294.60057 Wu, Yongfeng; Ordóñez Cabrera, Manuel; Volodin, Andrei 11 2013 Some mean convergence and complete convergence theorems for sequences of \(m\)-linearly negative quadrant dependent random variables. Zbl 1299.60047 Wu, Yongfeng; Rosalsky, Andrew; Volodin, Andrei 2 2013 Complete moment convergence for arrays of rowwise negatively associated random variables. Zbl 1299.60048 Wu, Yongfeng; Shen, Guangjun 1 2013 On limiting behavior for arrays of rowwise linearly negative quadrant dependent random variables. Zbl 1276.60037 Wu, Yong-Feng 1 2013 Convergence properties of the partial sums for sequences of end random variables. Zbl 1264.60023 Wu, Yongfeng; Guan, Mei 32 2012 Limiting behavior for arrays of rowwise \(\rho^\ast\)-mixing random variables. Zbl 1283.60053 Wu, Yongfeng; Wang, Chunhua; Volodin, Andrei 11 2012 Convergence properties for arrays of rowwise pairwise negatively quadrant dependent random variables. Zbl 1265.60067 Wu, Yongfeng; Wang, Dingcheng 5 2012 Mean convergence theorems and weak laws of large numbers for weighted sums of dependent random variables. Zbl 1208.60024 Wu, Yongfeng; Guan, Mei 14 2011 Convergence properties of partial sums for arrays of rowwise negatively orthant dependent random variables. Zbl 1294.60056 Wu, Yong-Feng; Zhu, Dong-jin 18 2010 Complete convergence of weighted sums for pairwise NQD random arrays. Zbl 1174.60356 Wu, Yongfeng; Zhu, Dongjin 1 2008 Minimum cuts for circular-arc graphs. Zbl 0711.68060 Lee, D. T.; Sarrafzadeh, M.; Wu, Y. F. 11 1990 Rectilinear shortest paths in the presence of rectangular barriers. Zbl 0655.05041 de Rezende, P. J.; Lee, D. T.; Wu, Y. F. 31 1989 On some distance problems in fixed orientations. Zbl 0625.68049 Widmayer, P.; Wu, Y. F.; Wong, C. K. 37 1987 Geometric complexity of some location problems. Zbl 0639.68038 Lee, D. T.; Wu, Y. F. 48 1986 A faster approximation algorithm for the Steiner problem in graphs. Zbl 0592.68062 Wu, Y. F.; Widmayer, P.; Wong, C. K. 14 1986 On some union and intersection problems for polygons with fixed orientations. Zbl 0571.68050 Widmayer, P.; Wu, Y. F.; Schlag, M. D. F.; Wong, C. K. 2 1986 On some union and intersection problems for polygons with fixed orientations. Zbl 0579.68044 Widmayer, P.; Wu, Y. F.; Schlag, M. D. F.; Wong, C. K. 1 1986 all cited Publications top 5 cited Publications all top 5 Cited by 184 Authors 38 Wang, Xuejun 17 Wu, Yi 14 Wu, Yongfeng 13 Shen, Aiting 10 Hu, Shuhe 10 Volodin, Andrei I. 8 Sung, Soohak 8 Wu, Qunying 7 Huang, Haiwu 6 Chen, Pingyan 6 Yan, Jigao 5 Hu, Tienchung 4 Deng, Xin 4 Lang, Junjun 4 Lita da Silva, João 4 Lu, Chao 4 Peng, Jiangyan 4 Xi, Mengmei 3 Cheng, Lu 3 Ko, Mi-Hwa 3 Li, Jianxi 3 Li, Wei 3 Li, Xiaoqin 3 Rosalsky, Andrew 3 Song, Mingzhu 3 Wang, Dingcheng 3 Wang, Miaomiao 3 Wang, Xinghui 3 Zhang, Qingxia 3 Zheng, Yirong 3 Zhu, Huayan 2 Chang, An 2 Chen, Ling 2 Ding, Yang 2 Feng, Fengxiang 2 Gao, Rong 2 Ge, Meimei 2 Guo, Mingle 2 He, Tianyun 2 Lê Vǎn Thành 2 Li, Yongming 2 Liang, Ziwei 2 Lu, Xuewen 2 Qiu, Dehua 2 Wang, Chunhua 2 Wang, Rui 2 Wang, Wenjuan 2 Wu, Ranchao 2 Xu, Chen 2 Xue, Mingxiang 2 Yao, Mei 2 Yu, Zhiqiang 2 Zhang, Fei 2 Zhang, Ying 2 Zheng, Lulu 2 Zhu, Quanxin 1 Ahmadzade, Hamed 1 Akram, Sana 1 Albano, Giuseppina 1 Anh, Nguyen Thi Ngoc 1 Anh, Vo Thi Van 1 Anh, Vu Thi Ngoc 1 Bai, Dingyong 1 Banerjee, Malay 1 Bozorgnia, Abolghasem 1 Čekanavičius, Vydas 1 Chang, Sarula 1 Chen, Binxia 1 Chen, Mingming 1 Chen, Ping 1 Chen, Zhigang 1 Chen, Zhuang 1 Dai, Zexing 1 Ding, Liwang 1 Do The Son 1 Du, Fei 1 Fadonougbo, Renaud 1 Fang, Yuting 1 Feng, Yanhong 1 Gan, Shixin 1 Giorno, Virginia 1 Guo, Jianhua 1 Guo, Jiming 1 Han, Jian 1 He, Jingmin 1 He, Kaixin 1 He, Qihui 1 Hien, Nguyen Thi Thanh 1 Huang, Xiang 1 Huang, Zhehao 1 Jafari, Mehdi 1 Jamal, Muhammad 1 Javaid, Muhammad Bin 1 Ji, Huijie 1 Jiang, Fen 1 Jiang, Huiling 1 Jiang, Kun 1 Kang, Yun 1 Kegnenlezom, Martin 1 Kouassi, Eugene ...and 84 more Authors all top 5 Cited in 54 Serials 21 Communications in Statistics. Theory and Methods 20 Journal of Inequalities and Applications 9 Journal of Mathematical Inequalities 8 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM 7 Statistical Papers 7 Stochastics 5 Theory of Probability and its Applications 4 Applications of Mathematics 3 Bulletin of the Korean Mathematical Society 3 Statistics 3 Applied Mathematics. Series B (English Edition) 3 Filomat 3 Discrete Dynamics in Nature and Society 3 Stochastic Models 2 Statistics & Probability Letters 2 Acta Mathematicae Applicatae Sinica. English Series 2 ELA. The Electronic Journal of Linear Algebra 2 Abstract and Applied Analysis 2 Acta Mathematica Sinica. English Series 2 Lobachevskii Journal of Mathematics 2 Journal of Systems Science and Complexity 2 Sankhyā. Series A 2 AIMS Mathematics 1 Discrete Mathematics 1 Journal of Mathematical Analysis and Applications 1 Lithuanian Mathematical Journal 1 Metrika 1 Collectanea Mathematica 1 Journal of Computational and Applied Mathematics 1 Kybernetika 1 Mathematics and Computers in Simulation 1 Mathematica Slovaca 1 Results in Mathematics 1 Chinese Annals of Mathematics. Series B 1 Acta Mathematica Hungarica 1 Numerical Algorithms 1 Computational Statistics 1 Communications in Statistics. Simulation and Computation 1 Computational Statistics and Data Analysis 1 Journal of Nonparametric Statistics 1 Wuhan University Journal of Natural Sciences (WUJNS) 1 Revista Matemática Complutense 1 Probability in the Engineering and Informational Sciences 1 Brazilian Journal of Probability and Statistics 1 Nonlinear Functional Analysis and Applications 1 Discrete and Continuous Dynamical Systems. Series B 1 Bulletin of the Malaysian Mathematical Sciences Society. Second Series 1 Advances in Difference Equations 1 Mathematical Biosciences and Engineering 1 Thailand Statistician 1 Frontiers of Mathematics in China 1 The Scientific World Journal. Probability and Statistics 1 Modern Stochastics. Theory and Applications 1 Open Mathematics all top 5 Cited in 13 Fields 126 Probability theory and stochastic processes (60-XX) 46 Statistics (62-XX) 6 Combinatorics (05-XX) 4 Biology and other natural sciences (92-XX) 3 Linear and multilinear algebra; matrix theory (15-XX) 3 Ordinary differential equations (34-XX) 3 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 2 Partial differential equations (35-XX) 2 Dynamical systems and ergodic theory (37-XX) 2 Numerical analysis (65-XX) 2 Systems theory; control (93-XX) 1 Measure and integration (28-XX) 1 Sequences, series, summability (40-XX) Citations by Year