Edit Profile Zhang, Xiaohong Compute Distance To: Compute Author ID: zhang.xiaohong Published as: Zhang, X.; Zhang, X. H.; Zhang, Xiao Hong; Zhang, Xiao-Hong; Zhang, Xiao-hong; Zhang, Xiaohong External Links: Wikidata · ORCID · ResearchGate · dblp Documents Indexed: 94 Publications since 1990 all top 5 Co-Authors 15 single-authored 13 Jun, Young Bae 7 Dudek, Wiesław Aleksander 4 Wang, Yongquan 3 Bhatti, Shaban Ali 3 Liu, Yonglin 3 Wang, Jingqian 3 Xu, Yang 2 Dai, Jianhua 2 Doh, Myung Im 2 Fan, Xueshuang 2 Liu, Huiyang 2 Ma, Yingcang 2 Park, Choonkil 2 Qin, Keyun 2 Wang, Xueping 2 Xin, Xiaolong 2 Xue, Zhanao 2 Yue, Zhencai 1 Ahn, Sun Shin 1 Bo, Chunxin 1 Borzooei, Rajab Ali 1 Chen, Zhenyu 1 Cheng, Xiaoyun 1 Cui, Licong 1 Ge, Renfu 1 Guo, Pengfei 1 Han, Huifeng 1 He, Huacan 1 Hu, Wanbao 1 Jiang, Hao 1 Jin, Yuanfeng 1 Kim, Hee Sik 1 Lee, Jung-Rye 1 Lee, Kyoung Ja 1 Li, Peng 1 Li, Weihua 1 Li, Xin 1 Li, Xin 1 Li, Yongming 1 Liang, Cong 1 Liu, Jun 1 Liu, Maofu 1 Liu, Peide 1 Lu, Zhenli 1 Ma, Huan 1 Ma, Weiping 1 Mao, Xiaoyan 1 Meng, Dan 1 Meng, Jie 1 Neggers, Joseph 1 Qu, Xiaobing 1 Ren, Lan 1 Shao, Changguo 1 Shu, Qianyu 1 Sun, Feng 1 Wan, Shuping 1 Wang, Baoshe 1 Wang, Juntao 1 Wang, Lili 1 Wang, Lili 1 Wang, Wansen 1 Wei, Ping 1 Wei, Xianpeng 1 Wei, Zongli 1 Wu, Xiaoying 1 Xu, Jingming 1 Yang, Yichuan 1 Yao, Yiyu 1 Ye, Reifen 1 Yu, Hong 1 Yu, Yucai 1 Zeng, Xu 1 Zhan, Qiuyan 1 Zhang, Longchuan 1 Zhang, Yanning 1 Zheng, Yue 1 Zhou, Bing 1 Zhou, Huijie 1 Zuo, Kai all top 5 Serials 17 Fuzzy Systems and Mathematics 8 Journal of Intelligent and Fuzzy Systems 5 Information Sciences 5 Pure and Applied Mathematics 5 Symmetry 4 Soft Computing 3 Mathematica Slovaca 3 International Journal of Approximate Reasoning 3 Journal of Mathematics. The Punjab University 3 Chinese Journal of Engineering Mathematics 2 Czechoslovak Mathematical Journal 2 Bulletin of the Korean Mathematical Society 2 The Journal of Fuzzy Mathematics 2 Honam Mathematical Journal 1 Communications in Algebra 1 Computers & Mathematics with Applications 1 Indian Journal of Pure & Applied Mathematics 1 Journal of Mathematical and Physical Sciences 1 Rocky Mountain Journal of Mathematics 1 Fuzzy Sets and Systems 1 Southeast Asian Bulletin of Mathematics 1 Journal of Mathematical Research & Exposition 1 Advances in Mathematics 1 Mathematica Applicata 1 Discussiones Mathematicae. Algebra and Stochastic Methods 1 Chinese Quarterly Journal of Mathematics 1 Mathematica Moravica 1 Journal of Computational Analysis and Applications 1 Communications of the Korean Mathematical Society 1 Journal of Sichuan Normal University. Natural Science 1 Fundamenta Informaticae 1 Quasigroups and Related Systems 1 Journal of Shaanxi Normal University. Natural Science Edition 1 International Journal of Uncertainty, Fuzziness and Knowledge-Based Systems 1 Journal of Northwest Normal University. Natural Science 1 Scientiae Mathematicae Japonicae 1 Journal of Shandong University. Natural Science 1 Science in China. Series F 1 Journal of Fixed Point Theory and Applications 1 Acta Mathematica Sinica. Chinese Series 1 International Journal of Nonlinear Analysis and Applications all top 5 Fields 57 Order, lattices, ordered algebraic structures (06-XX) 48 Mathematical logic and foundations (03-XX) 10 Computer science (68-XX) 4 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 3 Group theory and generalizations (20-XX) 3 Measure and integration (28-XX) 2 Difference and functional equations (39-XX) 2 Functional analysis (46-XX) 2 Operations research, mathematical programming (90-XX) 1 Combinatorics (05-XX) 1 General algebraic systems (08-XX) 1 Associative rings and algebras (16-XX) 1 Nonassociative rings and algebras (17-XX) 1 Abstract harmonic analysis (43-XX) 1 Operator theory (47-XX) 1 General topology (54-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH 43 Publications have been cited 252 times in 187 Documents Cited by ▼ Year ▼ A general frame for intuitionistic fuzzy rough sets. Zbl 1251.03064Zhang, Xiaohong; Zhou, Bing; Li, Peng 34 2012 On the union and intersection operations of rough sets based on various approximation spaces. Zbl 1355.68269Zhang, Xiaohong; Dai, Jianhua; Yu, Yucai 28 2015 Fuzzy filters of MTL-algebras. Zbl 1077.03044Jun, Young Bae; Xu, Yang; Zhang, Xiao Hong 27 2005 Soft rough fuzzy sets and soft fuzzy rough sets. Zbl 1236.03040Meng, Dan; Zhang, Xiaohong; Qin, Keyun 23 2011 Rough implication operator based on strong topological rough algebras. Zbl 1202.03070Zhang, Xiaohong; Yao, Yiyu; Yu, Hong 14 2010 On \(p\)-ideals of a BCI-algebra. Zbl 0866.06007Zhang, Xiaohong; Jiang, Hao; Bhatti, Shaban Ali 12 1994 On fuzzy filters and fuzzy ideals of BL-algebras. Zbl 1333.03264Zhang, Xiao-hong; Jun, Young Bae; Doh, Myung Im 11 2006 On pseudo-BL algebras and BCC-algebras. Zbl 1112.03057Zhang, Xiao-hong; Li, Wei Hua 11 2006 Fuzzy anti-grouped filters and fuzzy normal filters in pseudo-BCI algebras. Zbl 1377.06012Zhang, Xiaohong 10 2017 On ideals and congruences in BCC-algebras. Zbl 0927.06013Dudek, Wiesław A.; Zhang, Xiaohong 8 1998 IMTL(MV)-filters and fuzzy IMTL(MV)-filters of residuated lattices. Zbl 1305.03063Zhang, Xiaohong; Zhou, Huijie; Mao, Xiaoyan 7 2014 \(q\)-ideals and \(a\)-ideals in BCI-algebras. Zbl 0959.06011Liu, Yong Lin; Meng, Jie; Zhang, Xiao Hong; Yue, Zhen Cai 6 2000 Ultra LI-ideals in lattice implication algebras and MTL-algebras. Zbl 1174.03349Zhang, Xiaohong; Qin, Keyun; Dudek, Wiesław A. 5 2007 \(BZ\)-algebra and group. Zbl 0850.06011Zhang, Xiaohong; Ye, Reifen 5 1995 Ideals and atoms of BZ-algebras. Zbl 1240.03047Dudek, Wiesław A.; Zhang, Xiaohong; Wang, Yongquan 4 2009 Pseudo-BL algebras and pseudo-effect algebras. Zbl 1176.03047Zhang, Xiao-Hong; Fan, Xue-Shuang 4 2008 Additive \(s\)-functional inequality and Hom-derivations in Banach algebras. Zbl 1404.39028Park, Choonkil; Lee, Jung Rye; Zhang, Xiaohong 3 2019 A fuzzy logic system based on Schweizer-Sklar t-norm. Zbl 1122.03025Zhang, Xiaohong; He, Huacan; Xu, Yang 3 2006 Matrix approaches for some issues about minimal and maximal descriptions in covering-based rough sets. Zbl 07025910Wang, Jingqian; Zhang, Xiaohong 2 2019 Catoptrical rough set model on two universes using granule-based definition and its variable precision extensions. Zbl 1429.68283Dai, Jianhua; Han, Huifeng; Zhang, Xiaohong; Liu, Maofu; Wan, Shuping; Liu, Jun; Lu, Zhenli 2 2017 New operations of picture fuzzy relations and fuzzy comprehensive evaluation. Zbl 1423.03206Bo, Chunxin; Zhang, Xiaohong 2 2017 Anti-grouped pseudo-BCI algebras and anti-grouped filters. Zbl 1324.06024Zhang, Xiaohong; Young, Bae Jun 2 2014 Strong NMV-algebras, commutative basic algebras and naBL-algebras. Zbl 1340.06021Zhang, Xiaohong 2 2013 BCC-algebras and residuated partially-ordered groupoid. Zbl 1374.06043Zhang, Xiaohong 2 2013 Fuzzy BIK\(^+\)-logic and non-commutative fuzzy logics. Zbl 1264.03078Zhang, Xiao-hong; Dudek, Wieslaw A. 2 2009 Intuitionistic fuzzy linguistic quantifiers based on intuitionistic fuzzy-valued fuzzy measures and integrals. Zbl 1180.28010Cui, Licong; Li, Yongming; Zhang, Xiaohong 2 2009 BIK\(^+\)-logic and non-commutative fuzzy logics. Zbl 1333.03080Zhang, Xiao Hong 2 2007 Boolean MP-filters and Boolean MP-ideals in \(R_0\)-algebras. Zbl 1102.03314Zhang, Xiaohong; Xue, Zhanao; Ma, Yingcang 2 2005 T-ideals in BZ-algebras and T-type BZ-algebras. Zbl 1057.06010Zhang, Xiaohong; Wang, Yongquan; Dudek, Wieslaw A. 2 2003 Strong ideals, associative ideals and \(p\)-ideals in BCI-algebras. Zbl 0866.06006Bhatti, Shaban Ali; Zhang, Xiaohong 2 1994 Density and gradient estimates for non degenerate Brownian SDEs with unbounded measurable drift. Zbl 07285692Menozzi, S.; Pesce, A.; Zhang, X. 1 2021 Residual operations of monotone binary operations over complete lattices. Zbl 07146945Sun, Feng; Wang, Xue-ping; Qu, Xiao-bing; Shu, Qian-yu; Zhang, Xiao-hong 1 2019 Bi-additive \(s\)-functional inequalities and quasi-multipliers on Banach algebras. Zbl 1417.39078Park, Choonkil; Jin, Yuanfeng; Zhang, Xiaohong 1 2019 Note on classification of two-dimensional associative lattice-ordered real algebras. Zbl 1386.06025Yang, Yichuan; Zhang, Xiaohong 1 2017 Linguistic quantifiers modeled by interval-valued intuitionistic Sugeno integrals. Zbl 1352.03061Zhang, Xiaohong; Zheng, Yue 1 2015 First-order logic system \(\mathrm{IMTL}_{\mathrm{Q}}^{*}\) and triple I method in fuzzy reasoning with linguistic quantifiers. Zbl 1312.03027Zhang, Xiaohong; Zeng, Xu 1 2014 Non-commutative fuzzy logic system \(PL^*\) and its completeness. Zbl 1121.03302Zhang, Xiaohong 1 2007 Pseudo NM-algebras and their properties. Zbl 1118.03319Liu, Yonglin; Zhang, Xiaohong 1 2006 Fuzzy \(a\)-ideals of BCI-algebras. Zbl 1264.06029Liu, Yonglin; Zhang, Xiaohong 1 2002 On fuzzy BCC-ideals. Zbl 0980.06018Zhang, Xiaohong; Yue, Zhencai; Hu, Wanbao 1 2001 On anti-grouped ideal in BZ-algebra. Zbl 0902.06035Xu, Jingming; Zhang, Xiaohong 1 1998 The role of \(T(X)\) in the ideal theory of BCI-algebras. Zbl 0876.06005Zhang, Xiaohong; Jun, Young Bae 1 1997 On atoms in BBC-algebras. Zbl 0845.06012Dudek, Wiesław A.; Zhang, Xiaohong 1 1995 Density and gradient estimates for non degenerate Brownian SDEs with unbounded measurable drift. Zbl 07285692Menozzi, S.; Pesce, A.; Zhang, X. 1 2021 Additive \(s\)-functional inequality and Hom-derivations in Banach algebras. Zbl 1404.39028Park, Choonkil; Lee, Jung Rye; Zhang, Xiaohong 3 2019 Matrix approaches for some issues about minimal and maximal descriptions in covering-based rough sets. Zbl 07025910Wang, Jingqian; Zhang, Xiaohong 2 2019 Residual operations of monotone binary operations over complete lattices. Zbl 07146945Sun, Feng; Wang, Xue-ping; Qu, Xiao-bing; Shu, Qian-yu; Zhang, Xiao-hong 1 2019 Bi-additive \(s\)-functional inequalities and quasi-multipliers on Banach algebras. Zbl 1417.39078Park, Choonkil; Jin, Yuanfeng; Zhang, Xiaohong 1 2019 Fuzzy anti-grouped filters and fuzzy normal filters in pseudo-BCI algebras. Zbl 1377.06012Zhang, Xiaohong 10 2017 Catoptrical rough set model on two universes using granule-based definition and its variable precision extensions. Zbl 1429.68283Dai, Jianhua; Han, Huifeng; Zhang, Xiaohong; Liu, Maofu; Wan, Shuping; Liu, Jun; Lu, Zhenli 2 2017 New operations of picture fuzzy relations and fuzzy comprehensive evaluation. Zbl 1423.03206Bo, Chunxin; Zhang, Xiaohong 2 2017 Note on classification of two-dimensional associative lattice-ordered real algebras. Zbl 1386.06025Yang, Yichuan; Zhang, Xiaohong 1 2017 On the union and intersection operations of rough sets based on various approximation spaces. Zbl 1355.68269Zhang, Xiaohong; Dai, Jianhua; Yu, Yucai 28 2015 Linguistic quantifiers modeled by interval-valued intuitionistic Sugeno integrals. Zbl 1352.03061Zhang, Xiaohong; Zheng, Yue 1 2015 IMTL(MV)-filters and fuzzy IMTL(MV)-filters of residuated lattices. Zbl 1305.03063Zhang, Xiaohong; Zhou, Huijie; Mao, Xiaoyan 7 2014 Anti-grouped pseudo-BCI algebras and anti-grouped filters. Zbl 1324.06024Zhang, Xiaohong; Young, Bae Jun 2 2014 First-order logic system \(\mathrm{IMTL}_{\mathrm{Q}}^{*}\) and triple I method in fuzzy reasoning with linguistic quantifiers. Zbl 1312.03027Zhang, Xiaohong; Zeng, Xu 1 2014 Strong NMV-algebras, commutative basic algebras and naBL-algebras. Zbl 1340.06021Zhang, Xiaohong 2 2013 BCC-algebras and residuated partially-ordered groupoid. Zbl 1374.06043Zhang, Xiaohong 2 2013 A general frame for intuitionistic fuzzy rough sets. Zbl 1251.03064Zhang, Xiaohong; Zhou, Bing; Li, Peng 34 2012 Soft rough fuzzy sets and soft fuzzy rough sets. Zbl 1236.03040Meng, Dan; Zhang, Xiaohong; Qin, Keyun 23 2011 Rough implication operator based on strong topological rough algebras. Zbl 1202.03070Zhang, Xiaohong; Yao, Yiyu; Yu, Hong 14 2010 Ideals and atoms of BZ-algebras. Zbl 1240.03047Dudek, Wiesław A.; Zhang, Xiaohong; Wang, Yongquan 4 2009 Fuzzy BIK\(^+\)-logic and non-commutative fuzzy logics. Zbl 1264.03078Zhang, Xiao-hong; Dudek, Wieslaw A. 2 2009 Intuitionistic fuzzy linguistic quantifiers based on intuitionistic fuzzy-valued fuzzy measures and integrals. Zbl 1180.28010Cui, Licong; Li, Yongming; Zhang, Xiaohong 2 2009 Pseudo-BL algebras and pseudo-effect algebras. Zbl 1176.03047Zhang, Xiao-Hong; Fan, Xue-Shuang 4 2008 Ultra LI-ideals in lattice implication algebras and MTL-algebras. Zbl 1174.03349Zhang, Xiaohong; Qin, Keyun; Dudek, Wiesław A. 5 2007 BIK\(^+\)-logic and non-commutative fuzzy logics. Zbl 1333.03080Zhang, Xiao Hong 2 2007 Non-commutative fuzzy logic system \(PL^*\) and its completeness. Zbl 1121.03302Zhang, Xiaohong 1 2007 On fuzzy filters and fuzzy ideals of BL-algebras. Zbl 1333.03264Zhang, Xiao-hong; Jun, Young Bae; Doh, Myung Im 11 2006 On pseudo-BL algebras and BCC-algebras. Zbl 1112.03057Zhang, Xiao-hong; Li, Wei Hua 11 2006 A fuzzy logic system based on Schweizer-Sklar t-norm. Zbl 1122.03025Zhang, Xiaohong; He, Huacan; Xu, Yang 3 2006 Pseudo NM-algebras and their properties. Zbl 1118.03319Liu, Yonglin; Zhang, Xiaohong 1 2006 Fuzzy filters of MTL-algebras. Zbl 1077.03044Jun, Young Bae; Xu, Yang; Zhang, Xiao Hong 27 2005 Boolean MP-filters and Boolean MP-ideals in \(R_0\)-algebras. Zbl 1102.03314Zhang, Xiaohong; Xue, Zhanao; Ma, Yingcang 2 2005 T-ideals in BZ-algebras and T-type BZ-algebras. Zbl 1057.06010Zhang, Xiaohong; Wang, Yongquan; Dudek, Wieslaw A. 2 2003 Fuzzy \(a\)-ideals of BCI-algebras. Zbl 1264.06029Liu, Yonglin; Zhang, Xiaohong 1 2002 On fuzzy BCC-ideals. Zbl 0980.06018Zhang, Xiaohong; Yue, Zhencai; Hu, Wanbao 1 2001 \(q\)-ideals and \(a\)-ideals in BCI-algebras. Zbl 0959.06011Liu, Yong Lin; Meng, Jie; Zhang, Xiao Hong; Yue, Zhen Cai 6 2000 On ideals and congruences in BCC-algebras. Zbl 0927.06013Dudek, Wiesław A.; Zhang, Xiaohong 8 1998 On anti-grouped ideal in BZ-algebra. Zbl 0902.06035Xu, Jingming; Zhang, Xiaohong 1 1998 The role of \(T(X)\) in the ideal theory of BCI-algebras. Zbl 0876.06005Zhang, Xiaohong; Jun, Young Bae 1 1997 \(BZ\)-algebra and group. Zbl 0850.06011Zhang, Xiaohong; Ye, Reifen 5 1995 On atoms in BBC-algebras. Zbl 0845.06012Dudek, Wiesław A.; Zhang, Xiaohong 1 1995 On \(p\)-ideals of a BCI-algebra. Zbl 0866.06007Zhang, Xiaohong; Jiang, Hao; Bhatti, Shaban Ali 12 1994 Strong ideals, associative ideals and \(p\)-ideals in BCI-algebras. Zbl 0866.06006Bhatti, Shaban Ali; Zhang, Xiaohong 2 1994 all cited Publications top 5 cited Publications all top 5 Cited by 302 Authors 21 Zhan, Jianming 17 Jun, Young Bae 17 Zhang, Xiaohong 8 Dudek, Wiesław Aleksander 7 Dai, Jianhua 7 Xu, Yang 7 Zhang, Haidong 6 Ma, Xueling 5 Lele, Celestin 5 Li, Qingguo 5 Liao, Shilong 5 Qin, Keyun 5 Shu, Lan 5 Xin, Xiaolong 5 Zhu, Kuanyun 4 Hu, Qinghua 4 Lee, Kyoung Ja 3 Borzooei, Rajab Ali 3 Hu, Baoqing 3 Ma, Zhenming 3 Pal, Madhumangal 3 Park, Chulhwan 3 Senapati, Tapan 3 She, Yanhong 3 Wang, Changzhong 3 Wang, Jingqian 3 Wang, Wei 3 Wang, Zhudeng 3 Wu, Weizhi 3 Zheng, Guojie 2 Bai, Xiaole 2 Borumand Saeid, Arsham 2 Chakraborty, Mihir Kumar 2 Chen, Degang 2 Cornelis, Chris 2 Deschrijver, Glad 2 Gao, Ninghua 2 Han, Hongxia 2 Harizavi, Habib 2 He, Pengfei 2 He, Yanping 2 Huang, Bing 2 Huang, Chenchen 2 Iampan, Aiyared 2 Jana, Chiranjibe 2 Kadji, Albert 2 Karaaslan, Faruk 2 Kerre, Etienne E. 2 Leoreanu-Fotea, Violeta 2 Li, Huaxiong 2 Li, Jinhai 2 Liu, Caihui 2 Liu, Yonglin 2 Miao, Duoqian 2 Moutari, Salissou 2 Park, Choonkil 2 Pedrycz, Witold 2 Qin, Bin 2 Saha, Anirban 2 Sen, Jayanta 2 Shabir, Muhammad 2 Shao, Mingwen 2 Song, Seok-Zun 2 Su, Huashi 2 Tian, Haowei 2 Tonga, Marcel 2 Van Gasse, Bart 2 Walendziak, Andrzej 2 Wang, Pei 2 Xu, Jiuping 2 Yan, Kesong 2 Yang, Jilin 2 Yao, Yiyu 2 Yin, Yunqiang 2 Yu, Zuoming 2 Yun, Ziqiu 2 Zhang, Huarong 2 Zhang, Xianyong 2 Zhang, Zhiming 2 Zhou, Xianzhong 1 Ahmad, Bashir 1 Ahmadi, Amin 1 Alcantud, José Carlos Rodríguez 1 Ali, Abbas 1 Ali, Muhammad Irfan 1 Aliev, Rafik Aziz 1 Alshehri, Noura Omair 1 Antucheviciene, Jurgita 1 Arya, Vikas 1 Babusail, Rawia Saleh 1 Bai, Hexiang 1 Bai, Ruiqi 1 Bakhshi, Mahmood 1 Bausys, Romualdas 1 Bawazeer, S. M. 1 Beg, Ismat 1 Bhowmik, Monoranjan 1 Bian, Xiaoxia 1 Bo, Chunxin 1 Bordbar, Hashem ...and 202 more Authors all top 5 Cited in 45 Serials 33 Information Sciences 29 Soft Computing 18 Journal of Intelligent and Fuzzy Systems 12 Fuzzy Sets and Systems 11 International Journal of Approximate Reasoning 11 Symmetry 9 Computers & Mathematics with Applications 6 Mathematica Slovaca 4 Computational and Applied Mathematics 4 Afrika Matematika 3 International Journal of Mathematics and Mathematical Sciences 3 Applied Mathematics. Series B (English Edition) 3 Journal of Multiple-Valued Logic and Soft Computing 3 Open Mathematics 2 Applied Mathematics and Computation 2 Czechoslovak Mathematical Journal 2 International Journal of Computer Mathematics 2 Abstract and Applied Analysis 2 Journal of Applied Logic 1 International Journal of General Systems 1 International Journal of Theoretical Physics 1 Linear and Multilinear Algebra 1 Journal of Differential Equations 1 Bulletin of the Section of Logic 1 Applied Mathematical Modelling 1 Complexity 1 Mathematical Problems in Engineering 1 Honam Mathematical Journal 1 Discrete Dynamics in Nature and Society 1 International Journal of Uncertainty, Fuzziness and Knowledge-Based Systems 1 Journal of Systems Science and Complexity 1 Journal of Applied Mathematics 1 Fuzzy Optimization and Decision Making 1 Fixed Point Theory and Applications 1 Cubo 1 Journal of Fixed Point Theory and Applications 1 Advances in Mathematical Physics 1 Advances in Fuzzy Systems 1 Journal of Applied Mathematics & Informatics 1 Fuzzy Information and Engineering 1 Axioms 1 Mathematics 1 Journal of Function Spaces 1 Cogent Mathematics 1 Korean Journal of Mathematics all top 5 Cited in 24 Fields 102 Mathematical logic and foundations (03-XX) 76 Order, lattices, ordered algebraic structures (06-XX) 59 Computer science (68-XX) 18 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 8 General topology (54-XX) 7 Associative rings and algebras (16-XX) 5 Operations research, mathematical programming (90-XX) 4 Measure and integration (28-XX) 3 Combinatorics (05-XX) 3 General algebraic systems (08-XX) 3 Group theory and generalizations (20-XX) 3 Difference and functional equations (39-XX) 3 Operator theory (47-XX) 3 Information and communication theory, circuits (94-XX) 2 Real functions (26-XX) 1 Commutative algebra (13-XX) 1 Several complex variables and analytic spaces (32-XX) 1 Ordinary differential equations (34-XX) 1 Partial differential equations (35-XX) 1 Abstract harmonic analysis (43-XX) 1 Functional analysis (46-XX) 1 Statistics (62-XX) 1 Numerical analysis (65-XX) 1 Systems theory; control (93-XX) Citations by Year Wikidata Timeline The data are displayed as stored in Wikidata under a Creative Commons CC0 License. Updates and corrections should be made in Wikidata.