Edit Profile (opens in new tab) Cheng, Gengdong Co-Author Distance Author ID: cheng.gengdong Published as: Cheng, Gengdong; Cheng, Geng-Dong; Cheng, GengDong; Cheng, Kengtong; Cheng, G. more...less External Links: Google Scholar · ResearchGate Documents Indexed: 63 Publications since 1982 Co-Authors: 58 Co-Authors with 42 Joint Publications 2,929 Co-Co-Authors all top 5 Co-Authors 5 single-authored 8 Guo, Xu 7 Mollin, Richard Anthony 5 Nie, Yinghao 3 Kuo, T. K. 3 Xu, Shengli 3 Yan, Jun 2 Cai, Yuanwu 2 Du, Zongliang 2 Gu, Yuanxian 2 Kang, Zhan 2 Li, Hengyang 2 Li, Kai 2 Li, Xikui 2 Li, Zheng 2 Liang, Yuan 2 Liu, Shutian 2 Ni, Changhui 2 Olhoff, Niels 2 Xu, Liang 2 Zhong, Wanxie 1 Bordas, Stéphane Pierre Alain 1 Chen, Biaosong 1 Chen, Cheng 1 Chen, Yen-Sen 1 Chouly, Franz 1 Deng, Jiadong 1 Doltsinis, Ioannis St. 1 Gao, Jiaying 1 Harrison, D. K. 1 Hu, Meng-Hua 1 Hu, Ping 1 Hu, Qingyuan 1 Hung, Chieh-Tsan 1 Hwang, Fengnan 1 Jiang, Shigang 1 Kafka, Orion L. 1 Koomullil, Roy P. 1 Li, Gang 1 Li, Hua 1 Lin, Kun-Mo 1 Liu, Ling 1 Liu, Shutain 1 Liu, Wing Kam 1 Liu, Xiaofeng 1 Lu, Yinan 1 Lund, Erik 1 Mei, Yulin 1 Niu, Bin 1 Pan, P. Y. 1 Pedersen, Pauli 1 Tajdari, Mahsa 1 Tang, Shan 1 Tang, Shaoqiang 1 Wang, Liu 1 Wang, Xiaoming 1 Wu, Jong-Shinn 1 Yamazaki, Koetsu 1 Yan, Xinyu 1 Yi, Ping 1 Yu, Cheng 1 Zhang, Dongxu 1 Zhang, Hui 1 Zhang, Junru 1 Zhang, Lei 1 Zhang, Lidan 1 Zhang, Xiaopeng 1 Zhang, Xiong 1 Zheng, Jiang 1 Zhou, Yi-Ming 1 Zhou, Yunyi 1 Zu, J. Wuzheng all top 5 Serials 9 Structural and Multidisciplinary Optimization 6 Computer Methods in Applied Mechanics and Engineering 5 Journal of Dalian University of Technology 4 Journal of Mathematical Physics 4 Computational Mechanics 3 Computers and Structures 3 Journal of Dalian Institute of Technology 3 Acta Mechanica Sinica 2 International Journal of Mechanical Sciences 2 International Journal for Numerical Methods in Engineering 2 International Mathematical Journal 2 Chinese Journal of Computational Mechanics 1 Computer Physics Communications 1 International Journal of Solids and Structures 1 International Journal of Systems Science 1 Journal of Applied Mechanics 1 Journal of Computational Physics 1 Journal of the Mechanics and Physics of Solids 1 Physics Letters. B 1 The Fibonacci Quarterly 1 Journal of Number Theory 1 Comptes Rendus Mathématiques de l’Académie des Sciences 1 Acta Mechanica Sinica 1 Applied Mathematics and Mechanics. (English Edition) 1 Finite Elements in Analysis and Design 1 Communications in Applied Numerical Methods 1 Acta Mathematica Universitatis Comenianae. New Series 1 Acta Mechanica Sinica. (English Edition) 1 Acta Mechanica Sinica (English Series) 1 JP Journal of Algebra, Number Theory and Applications all top 5 Fields 43 Mechanics of deformable solids (74-XX) 8 Numerical analysis (65-XX) 8 Operations research, mathematical programming (90-XX) 7 Number theory (11-XX) 4 Fluid mechanics (76-XX) 3 Partial differential equations (35-XX) 3 Calculus of variations and optimal control; optimization (49-XX) 3 Quantum theory (81-XX) 2 Integral equations (45-XX) 2 Computer science (68-XX) 1 History and biography (01-XX) 1 Operator theory (47-XX) 1 Global analysis, analysis on manifolds (58-XX) 1 Mechanics of particles and systems (70-XX) 1 Statistical mechanics, structure of matter (82-XX) 1 Systems theory; control (93-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 42 Publications have been cited 367 times in 289 Documents Cited by ▼ Year ▼ Volume preserving nonlinear density filter based on Heaviside functions. Zbl 1274.74419 Xu, Shengli; Cai, Yuanwu; Cheng, Gengdong 65 2010 Multi-objective concurrent topology optimization of thermoelastic structures composed of homogeneous porous material. Zbl 1274.74327 Deng, Jiadong; Yan, Jun; Cheng, Gengdong 40 2013 Recent development in structural design and optimization. Zbl 1270.74164 Guo, Xu; Cheng, Geng-Dong 36 2010 Clustering discretization methods for generation of material performance databases in machine learning and design optimization. Zbl 1470.74073 Li, Hengyang; Kafka, Orion L.; Gao, Jiaying; Yu, Cheng; Nie, Yinghao; Zhang, Lei; Tajdari, Mahsa; Tang, Shan; Guo, Xu; Li, Gang; Tang, Shaoqiang; Cheng, Gengdong; Liu, Wing Kam 22 2019 Skew-symmetric Nitsche’s formulation in isogeometric analysis: Dirichlet and symmetry conditions, patch coupling and frictionless contact. Zbl 1440.74403 Hu, Qingyuan; Chouly, Franz; Hu, Ping; Cheng, Gengdong; Bordas, Stéphane P. A. 22 2018 Multi-scale concurrent material and structural design under mechanical and thermal loads. Zbl 1382.74103 Yan, Jun; Guo, Xu; Cheng, Gengdong 22 2016 On topology optimization of damping layer in shell structures under harmonic excitations. Zbl 1274.74348 Kang, Zhan; Zhang, Xiaopeng; Jiang, Shigang; Cheng, Gengdong 18 2012 FEM-cluster based reduction method for efficient numerical prediction of effective properties of heterogeneous material in nonlinear range. Zbl 1440.74383 Cheng, Gengdong; Li, Xikui; Nie, Yinghao; Li, Hengyang 18 2019 Novel implementation of homogenization method to predict effective properties of periodic materials. Zbl 1346.74158 Cheng, Geng-Dong; Cai, Yuan-Wu; Xu, Liang 13 2013 Discrete material optimization of vibrating laminated composite plates for minimum sound radiation. Zbl 1194.74254 Niu, Bin; Olhoff, Niels; Lund, Erik; Cheng, Gengdong 13 2010 A generalized parameter imbedding method. Zbl 0828.45001 Cheng, G.; Kuo, T. K. 12 1994 Comparison of prediction on effective elastic property and shape optimization of truss material with periodic microstructure. Zbl 1192.74312 Yan, Jun; Cheng, Gengdong; Liu, Shutian; Liu, Ling 11 2006 Development and verification of a coupled DSMC-NS scheme using unstructured mesh. Zbl 1189.76395 Wu, J.-S.; Lian, Y.-Y.; Cheng, G.; Koomullil, R. P.; Tseng, K.-C. 10 2006 On sufficiency conditions for optimal design based on extremum principles of mechanics. Zbl 0974.74548 Cheng, Gengdong; Pedersen, Pauli 9 1997 Rigid body motion test against error in semi-analytical sensitivity analysis. Zbl 0769.73075 Cheng, G.; Olhoff, N. 9 1993 Robust design of nonlinear structures using optimization methods. Zbl 1083.74041 Doltsinis, Ioannis; Kang, Zhan; Cheng, Gengdong 9 2005 Topology optimization via sequential integer programming and canonical relaxation algorithm. Zbl 1440.74299 Liang, Yuan; Cheng, Gengdong 9 2019 Principle of cluster minimum complementary energy of FEM-cluster-based reduced order method: fast updating the interaction matrix and predicting effective nonlinear properties of heterogeneous material. Zbl 1467.74075 Nie, Yinghao; Cheng, Gengdong; Li, Xikui; Xu, Liang; Li, Kai 6 2019 Nonstick and stick-slip motion of a Coulomb-damped belt drive system subjected to multifrequency excitations. Zbl 1110.74385 Cheng, G.; Zu, J. W. 6 2003 Accuracy of semi-analytic sensitivity analysis. Zbl 0694.73038 Cheng, Gengdong; Gu, Yuanxian; Zhou, Yunyi 5 1989 Further study on efficiency of sequential approximate programming for probabilistic structural design optimization. Zbl 1273.74381 Yi, Ping; Cheng, Gengdong 5 2008 Homogenization-based method for predicting thermal expansion coefficients of composite materials. Zbl 0928.74011 Liu, Shutain; Cheng, Gengdong 4 1995 Discussion on symmetry of optimum topology design. Zbl 1274.74324 Cheng, Gengdong; Liu, Xiaofeng 4 2011 Some symmetry results for optimal solutions in structural optimization. Zbl 1274.74338 Guo, Xu; Ni, Changhui; Cheng, Gengdong; Du, Zongliang 4 2012 Efficient prediction of the effective nonlinear properties of porous material by FEM-cluster based analysis (FCA). Zbl 1506.74338 Nie, Yinghao; Li, Zheng; Cheng, Gengdong 4 2021 New method for graded mesh generation of quadrilateral finite elements. Zbl 0925.65180 Cheng, Gengdong; Li, Hua 3 1996 The Diophantine equation \(AX^2-BY^2=C\) solved via continued fractions. Zbl 1050.11030 Mollin, R. A.; Cheng, K.; Goddard, B. 3 2002 Optimum material design of minimum structural compliance under seepage constraint. Zbl 1274.74252 Xu, Shengli; Cheng, Gengdong 3 2010 Development of an internet-based intelligent design support system for rolling element bearings. Zbl 1028.68205 Pan, P. Y.; Cheng, K.; Harrison, D. K. 2 2002 Pellian polynomials and period lengths of continued fractions. Zbl 1021.11028 Mollin, R. A.; Cheng, K.; Goddard, B. 2 2002 On singular optima of structural topology optimization of trusses. Zbl 1166.74405 Cheng, Gengdong 2 2000 A new three-point approximation approach for design optimization problems. Zbl 1050.74036 Guo, Xu; Yamazaki, Koetsu; Cheng, Gengdong 2 2001 A new approach for the solution of singular optimum in structural topology optimization. Zbl 0908.73049 Guo, Xu; Cheng, Gengdong 2 1997 Bifurcation solutions of the Schwinger-Dyson equation. Zbl 0822.45003 Cheng, G.; Kuo, T. K. 2 1994 Explicit control of 2D and 3D structural complexity by discrete variable topology optimization method. Zbl 1507.74314 Liang, Yuan; Yan, XinYu; Cheng, GengDong 2 2022 Shape optimization of a revolutional body and a quasi-analytic method of sensitivity analysis. Zbl 0671.73068 Wang, Liu; Cheng, Gengdong 1 1988 Numerical performance of two formulations of truss topology optimization. Zbl 0834.73050 Cheng, Gengdong; Zheng, Jiang 1 1994 Symmetry properties in structural optimization: some extensions. Zbl 1274.74003 Guo, Xu; Du, Zongliang; Cheng, Gengdong; Ni, Changhui 1 2013 Binary discrete method of topology optimization. Zbl 1231.74345 Mei, Yulin; Wang, Xiaoming; Cheng, Gengdong 1 2007 Beepers, creepers, and sleepers. Zbl 1221.11014 Mollin, R. A.; Cheng, K. 1 2002 Continued fractions beepers and Fibonacci numbers. Zbl 1041.11006 Mollin, R. A.; Cheng, K. 1 2002 Mathematical foundations of FEM-cluster based reduced order analysis method and a spectral analysis algorithm for improving the accuracy. Zbl 1495.74067 Li, Zheng; Nie, Yinghao; Cheng, Gengdong 1 2022 Explicit control of 2D and 3D structural complexity by discrete variable topology optimization method. Zbl 1507.74314 Liang, Yuan; Yan, XinYu; Cheng, GengDong 2 2022 Mathematical foundations of FEM-cluster based reduced order analysis method and a spectral analysis algorithm for improving the accuracy. Zbl 1495.74067 Li, Zheng; Nie, Yinghao; Cheng, Gengdong 1 2022 Efficient prediction of the effective nonlinear properties of porous material by FEM-cluster based analysis (FCA). Zbl 1506.74338 Nie, Yinghao; Li, Zheng; Cheng, Gengdong 4 2021 Clustering discretization methods for generation of material performance databases in machine learning and design optimization. Zbl 1470.74073 Li, Hengyang; Kafka, Orion L.; Gao, Jiaying; Yu, Cheng; Nie, Yinghao; Zhang, Lei; Tajdari, Mahsa; Tang, Shan; Guo, Xu; Li, Gang; Tang, Shaoqiang; Cheng, Gengdong; Liu, Wing Kam 22 2019 FEM-cluster based reduction method for efficient numerical prediction of effective properties of heterogeneous material in nonlinear range. Zbl 1440.74383 Cheng, Gengdong; Li, Xikui; Nie, Yinghao; Li, Hengyang 18 2019 Topology optimization via sequential integer programming and canonical relaxation algorithm. Zbl 1440.74299 Liang, Yuan; Cheng, Gengdong 9 2019 Principle of cluster minimum complementary energy of FEM-cluster-based reduced order method: fast updating the interaction matrix and predicting effective nonlinear properties of heterogeneous material. Zbl 1467.74075 Nie, Yinghao; Cheng, Gengdong; Li, Xikui; Xu, Liang; Li, Kai 6 2019 Skew-symmetric Nitsche’s formulation in isogeometric analysis: Dirichlet and symmetry conditions, patch coupling and frictionless contact. Zbl 1440.74403 Hu, Qingyuan; Chouly, Franz; Hu, Ping; Cheng, Gengdong; Bordas, Stéphane P. A. 22 2018 Multi-scale concurrent material and structural design under mechanical and thermal loads. Zbl 1382.74103 Yan, Jun; Guo, Xu; Cheng, Gengdong 22 2016 Multi-objective concurrent topology optimization of thermoelastic structures composed of homogeneous porous material. Zbl 1274.74327 Deng, Jiadong; Yan, Jun; Cheng, Gengdong 40 2013 Novel implementation of homogenization method to predict effective properties of periodic materials. Zbl 1346.74158 Cheng, Geng-Dong; Cai, Yuan-Wu; Xu, Liang 13 2013 Symmetry properties in structural optimization: some extensions. Zbl 1274.74003 Guo, Xu; Du, Zongliang; Cheng, Gengdong; Ni, Changhui 1 2013 On topology optimization of damping layer in shell structures under harmonic excitations. Zbl 1274.74348 Kang, Zhan; Zhang, Xiaopeng; Jiang, Shigang; Cheng, Gengdong 18 2012 Some symmetry results for optimal solutions in structural optimization. Zbl 1274.74338 Guo, Xu; Ni, Changhui; Cheng, Gengdong; Du, Zongliang 4 2012 Discussion on symmetry of optimum topology design. Zbl 1274.74324 Cheng, Gengdong; Liu, Xiaofeng 4 2011 Volume preserving nonlinear density filter based on Heaviside functions. Zbl 1274.74419 Xu, Shengli; Cai, Yuanwu; Cheng, Gengdong 65 2010 Recent development in structural design and optimization. Zbl 1270.74164 Guo, Xu; Cheng, Geng-Dong 36 2010 Discrete material optimization of vibrating laminated composite plates for minimum sound radiation. Zbl 1194.74254 Niu, Bin; Olhoff, Niels; Lund, Erik; Cheng, Gengdong 13 2010 Optimum material design of minimum structural compliance under seepage constraint. Zbl 1274.74252 Xu, Shengli; Cheng, Gengdong 3 2010 Further study on efficiency of sequential approximate programming for probabilistic structural design optimization. Zbl 1273.74381 Yi, Ping; Cheng, Gengdong 5 2008 Binary discrete method of topology optimization. Zbl 1231.74345 Mei, Yulin; Wang, Xiaoming; Cheng, Gengdong 1 2007 Comparison of prediction on effective elastic property and shape optimization of truss material with periodic microstructure. Zbl 1192.74312 Yan, Jun; Cheng, Gengdong; Liu, Shutian; Liu, Ling 11 2006 Development and verification of a coupled DSMC-NS scheme using unstructured mesh. Zbl 1189.76395 Wu, J.-S.; Lian, Y.-Y.; Cheng, G.; Koomullil, R. P.; Tseng, K.-C. 10 2006 Robust design of nonlinear structures using optimization methods. Zbl 1083.74041 Doltsinis, Ioannis; Kang, Zhan; Cheng, Gengdong 9 2005 Nonstick and stick-slip motion of a Coulomb-damped belt drive system subjected to multifrequency excitations. Zbl 1110.74385 Cheng, G.; Zu, J. W. 6 2003 The Diophantine equation \(AX^2-BY^2=C\) solved via continued fractions. Zbl 1050.11030 Mollin, R. A.; Cheng, K.; Goddard, B. 3 2002 Development of an internet-based intelligent design support system for rolling element bearings. Zbl 1028.68205 Pan, P. Y.; Cheng, K.; Harrison, D. K. 2 2002 Pellian polynomials and period lengths of continued fractions. Zbl 1021.11028 Mollin, R. A.; Cheng, K.; Goddard, B. 2 2002 Beepers, creepers, and sleepers. Zbl 1221.11014 Mollin, R. A.; Cheng, K. 1 2002 Continued fractions beepers and Fibonacci numbers. Zbl 1041.11006 Mollin, R. A.; Cheng, K. 1 2002 A new three-point approximation approach for design optimization problems. Zbl 1050.74036 Guo, Xu; Yamazaki, Koetsu; Cheng, Gengdong 2 2001 On singular optima of structural topology optimization of trusses. Zbl 1166.74405 Cheng, Gengdong 2 2000 On sufficiency conditions for optimal design based on extremum principles of mechanics. Zbl 0974.74548 Cheng, Gengdong; Pedersen, Pauli 9 1997 A new approach for the solution of singular optimum in structural topology optimization. Zbl 0908.73049 Guo, Xu; Cheng, Gengdong 2 1997 New method for graded mesh generation of quadrilateral finite elements. Zbl 0925.65180 Cheng, Gengdong; Li, Hua 3 1996 Homogenization-based method for predicting thermal expansion coefficients of composite materials. Zbl 0928.74011 Liu, Shutain; Cheng, Gengdong 4 1995 A generalized parameter imbedding method. Zbl 0828.45001 Cheng, G.; Kuo, T. K. 12 1994 Bifurcation solutions of the Schwinger-Dyson equation. Zbl 0822.45003 Cheng, G.; Kuo, T. K. 2 1994 Numerical performance of two formulations of truss topology optimization. Zbl 0834.73050 Cheng, Gengdong; Zheng, Jiang 1 1994 Rigid body motion test against error in semi-analytical sensitivity analysis. Zbl 0769.73075 Cheng, G.; Olhoff, N. 9 1993 Accuracy of semi-analytic sensitivity analysis. Zbl 0694.73038 Cheng, Gengdong; Gu, Yuanxian; Zhou, Yunyi 5 1989 Shape optimization of a revolutional body and a quasi-analytic method of sensitivity analysis. Zbl 0671.73068 Wang, Liu; Cheng, Gengdong 1 1988 all cited Publications top 5 cited Publications all top 5 Cited by 645 Authors 35 Guo, Xu 20 Zhang, Weisheng 17 Cheng, Gengdong 15 Sigmund, Ole 9 Liu, Wing Kam 9 Zhang, Weihong 8 Du, Zongliang 8 Lazarov, Boyan Stefanov 8 Yan, Jun 7 Gao, Liang 7 Kang, Zhan 7 Li, Hao 7 Liu, Chang 6 Liu, Shutian 6 Luo, Zhen 6 Schevenels, Mattias 6 Tang, Shan 6 Zhu, Yichao 5 Long, Kai 5 Nie, Yinghao 5 Tang, Shaoqiang 5 Wang, Lei 4 Chen, Leilei 4 Chen, Wei 4 Dong, Chunying 4 Duan, Zunyi 4 Gao, Tong 4 Li, Hengyang 4 Li, Quhao 4 Niu, Bin 4 Norato, Julian A. 4 Qian, Xiaoping 4 Wang, Michael Yu 4 Xia, Liang 4 Yang, Hang 4 Youn, Sung-Kie 4 Zhong, Wenliang 4 Zhu, Jihong 3 Bordas, Stéphane Pierre Alain 3 Chen, Haibo 3 Chouly, Franz 3 Desmorat, Boris 3 Du, Jianbin 3 Gao, Jiaying 3 Huang, Xiaodong 3 Jiang, Chao 3 Kafka, Orion L. 3 Li, Dong 3 Li, Shaoshuai 3 Liang, Yuan 3 Liu, Dongliang 3 Nomura, Tsuyoshi 3 Qiu, Hai 3 Saha, Sourav 3 Wang, Yiqiang 3 Wei, Peng 3 Xue, Dingchuan 3 Yamasaki, Shintaro 3 Zhang, Lei 3 Zhang, Xiaopeng 3 Zhang, Xiaoyu 3 Zhao, Wenchang 2 Abrar, Usama 2 Andreasen, Casper Schousboe 2 Ansari, Jamshed Ahmed 2 Apelian, Diran 2 Bostanabad, Ramin 2 Breitkopf, Piotr 2 Campbell, John S. 2 Chan, Yu-Chin 2 Chen, Weifeng 2 Chen, XiaoQian 2 Cheng, Lin 2 Clausen, Anders 2 Da, Daicong 2 Dai, Rui 2 Deng, Shiguang 2 Du, Xiaoxiao 2 Duvaut, Georges 2 Elkhodary, Khalil I. 2 Fan, Zhirui 2 Giraldo-Londoño, Oliver 2 Guest, James K. 2 He, Jingjie 2 Hu, Ping 2 Jaffri, Nasif Raza 2 Jansen, Miche 2 Kang, Pilseong 2 Kanno, Yoshihiro 2 Kawamoto, Atsushi 2 Kelliher, Denis 2 Keshavarzzadeh, Vahid 2 Kirby, Robert M. II 2 Lagaros, Nikos D. 2 Li, Dingding 2 Li, Hang 2 Li, Xikui 2 Li, Yu 2 Li, Zheng 2 Lian, Haojie ...and 545 more Authors all top 5 Cited in 36 Serials 136 Computer Methods in Applied Mechanics and Engineering 25 Computational Mechanics 24 Structural and Multidisciplinary Optimization 21 International Journal for Numerical Methods in Engineering 15 Acta Mechanica Sinica 9 Engineering Optimization 7 European Journal of Mechanics. A. Solids 5 Journal of Computational Physics 4 Journal of the Mechanics and Physics of Solids 3 Acta Mechanica 3 Applied Mathematical Modelling 3 Engineering Computations 3 Optimization and Engineering 3 Archives of Computational Methods in Engineering 3 International Journal of Computational Methods 2 Computers and Fluids 2 Computers & Mathematics with Applications 2 Engineering Analysis with Boundary Elements 2 Journal of Mathematics 1 International Journal of Solids and Structures 1 Applied Mathematics and Computation 1 Journal of Optimization Theory and Applications 1 Mathematics and Computers in Simulation 1 Applied Mathematics and Mechanics. (English Edition) 1 Computer Aided Geometric Design 1 Journal of Scientific Computing 1 Journal of Elasticity 1 SIAM Journal on Scientific Computing 1 Communications in Numerical Methods in Engineering 1 Russian Journal of Numerical Analysis and Mathematical Modelling 1 Mathematical Problems in Engineering 1 Acta Mechanica Sinica (English Series) 1 Wuhan University Journal of Natural Sciences (WUJNS) 1 European Series in Applied and Industrial Mathematics (ESAIM): Mathematical Modelling and Numerical Analysis 1 Communications in Computational Physics 1 Science China. Technological Sciences all top 5 Cited in 15 Fields 269 Mechanics of deformable solids (74-XX) 52 Numerical analysis (65-XX) 26 Operations research, mathematical programming (90-XX) 25 Calculus of variations and optimal control; optimization (49-XX) 20 Fluid mechanics (76-XX) 12 Computer science (68-XX) 5 Biology and other natural sciences (92-XX) 4 Partial differential equations (35-XX) 4 Classical thermodynamics, heat transfer (80-XX) 3 Statistics (62-XX) 3 Systems theory; control (93-XX) 1 Probability theory and stochastic processes (60-XX) 1 Mechanics of particles and systems (70-XX) 1 Optics, electromagnetic theory (78-XX) 1 Relativity and gravitational theory (83-XX) Citations by Year