Edit Profile (opens in new tab) Găvruţă, Paşc Compute Distance To: Compute Author ID: gavruta.pasc Published as: Găvruţa, P.; Găvruţă, P.; Găvruţa, Paşc; Gavruta, P.; Găvruţă, Paşcu; Gavruta, Pasc; Găvruţa, Pasc; Găvruţă, Paşc; Găvruta, P.; Gǎvruţa, P.; Găvruţa, Pascu; Gavruţa, Pasc; Găvruţă, Pasc; Gavruta, Paşc; Gāvruţa, P.; Gavruṭa, P.; Gavruţă, P.; Gãvruţã, P. more...less Homepage: http://www.mat.upt.ro/Informatii_45_ro.html External Links: Google Scholar Documents Indexed: 75 Publications since 1978, including 1 Book 4 Contributions as Editor Reviewing Activity: 120 Reviews Co-Authors: 36 Co-Authors with 49 Joint Publications 857 Co-Co-Authors all top 5 Co-Authors 30 single-authored 15 Găvruţa, Laura 8 Eskandani, Golamreza Zamani 6 Cădariu, Liviu I. 4 Păunescu, Doru 3 Bînzar, Tudor 3 Boja, Nicolae 3 Jung, Soon-Mo 3 Lipovan, Octavian 3 Rassias, John Michael 2 Ceauşu, Traian 2 Cofan, Nicolae 2 Corsini, Piergiulio 2 Folić, Radomir 2 Jivulescu, Maria Anastasia 2 Li, Yongjin 2 Najati, Abbas 1 Abdollahpour, Mohammad Reza 1 Căldăraru, L. 1 Caprau, Carmen Livia 1 Ciurdariu, Loredana 1 Frank, Michael 1 Hossu, Monica 1 Jarić, Jovo P. 1 Kim, Gwang Hui 1 Lee, Kisuk 1 Manolescu, Laura 1 Milovanović, Gradimir V. 1 Moslehian, Mohammad Sal 1 Muller, Winfried B. 1 Nechita, Ion 1 Saem, Maryam Mohammadi 1 Stan, Ilie 1 Suciu, Nicolae-Petru 1 Takači, Arpad 1 Zamani Eskandani, Gholamreza 1 Zarghami, Ramazan all top 5 Serials 11 Buletinul Științific al Universității Politehnica din Timișoara. Seria Matematică-Fizică 8 Lucrarile Seminarului de Matematica și Fizica 4 Journal of Mathematical Analysis and Applications 3 Analele Universității din Timișoara. Științe Matematice 3 Nonlinear Functional Analysis and Applications 2 Abstract and Applied Analysis 2 Applicable Analysis and Discrete Mathematics 2 Journal of Nonlinear Science and Applications 1 Revue Roumaine de Mathématiques Pures et Appliquées 1 Proceedings of the American Mathematical Society 1 Buletinul Științific și Tehnic al Institutului Politehnic ”Traian Vuia” Timișoara. Seria Matematica-Fizica 1 Acta Mathematica Hungarica 1 Electronic Journal of Differential Equations (EJDE) 1 Annales Mathématiques Blaise Pascal 1 ELA. The Electronic Journal of Linear Algebra 1 Analele Universității din Timișoara. Seria Matematică-Informatică 1 Far East Journal of Mathematical Sciences 1 Acta Mathematica Scientia. Series B. (English Edition) 1 Mathematical Reports 1 Mediterranean Journal of Mathematics 1 Preprint. “Babeș-Bolyai” University. Faculty of Mathematics. Research Seminars 1 Monografii Matematice (Timișoara) 1 Journal of Physics A: Mathematical and Theoretical 1 Operators and Matrices 1 Asian-European Journal of Mathematics 1 International Journal of Nonlinear Analysis and Applications 1 Annals of Functional Analysis 1 Iranian Journal of Mathematical Sciences and Informatics 1 Journal of Linear and Topological Algebra all top 5 Fields 32 Difference and functional equations (39-XX) 31 Operator theory (47-XX) 19 Functional analysis (46-XX) 14 Harmonic analysis on Euclidean spaces (42-XX) 4 General and overarching topics; collections (00-XX) 4 Integral equations (45-XX) 2 Real functions (26-XX) 2 Approximations and expansions (41-XX) 2 Quantum theory (81-XX) 2 Information and communication theory, circuits (94-XX) 1 Linear and multilinear algebra; matrix theory (15-XX) 1 Special functions (33-XX) 1 Ordinary differential equations (34-XX) 1 Abstract harmonic analysis (43-XX) 1 Integral transforms, operational calculus (44-XX) 1 Numerical analysis (65-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 36 Publications have been cited 1,008 times in 868 Documents Cited by ▼ Year ▼ A generalization of the Hyers-Ulam-Rassias stability of approximately additive mappings. Zbl 0818.46043Gǎvruţa, P. 707 1994 On the duality of fusion frames. Zbl 1127.46016Găvruţa, P. 46 2007 Fixed points and generalized Hyers-Ulam stability. Zbl 1252.39030Cădariu, L.; Găvruţa, L.; Găvruţa, P. 34 2012 A new method for the generalized Hyers-Ulam-Rassias stability. Zbl 1281.39038Găvruţa, P.; Găvruţa, Laura 32 2010 On some identities and inequalities for frames in Hilbert spaces. Zbl 1119.42011Găvruţa, P. 22 2006 On a problem of G. Isac and Th. M. Rassias concerning the stability of mappings. Zbl 0993.47002Găvruţa, P. 19 2001 Generalized Hyers-Ulam stability for a general mixed functional equation in quasi-\(\beta \)-normed spaces. Zbl 1236.39026Eskandani, G. Zamani; Gavruta, Pasc; Rassias, John M.; Zarghami, Ramazan 13 2011 Weighted space method for the stability of some nonlinear equations. Zbl 1289.39054Cădariu, Liviu; Găvruţa, Laura; Găvruţa, Paşc 13 2012 On the Hyers-Ulam-Rassias stability of the quadratic mappings. Zbl 1066.39029Găvruţa, P. 11 2004 On the stability of some functional equations. Zbl 0844.39007Găvruţă, P. 10 1994 Frames and operators in Hilbert \(C^{\ast}\)-modules. Zbl 1343.42042Najati, Abbas; Saem, M. Mohammadi; Găvruţa, P. 9 2016 Hyers-Ulam-Rassias stability of pexiderized Cauchy functional equation in 2-Banach spaces. Zbl 1297.39030Eskandani, G. Zamani; Gavruta, P. 9 2012 Hyers-Ulam stability of mean value points. Zbl 1219.39013Gavruta, P.; Jung, S.-M.; Li, Y. 9 2010 Hyers-Ulam stability for second-order linear differential equations with boundary conditions. Zbl 1230.34020Gavruta, Pasc; Jung, Soon-Mo; Li, Yongjin 9 2011 On the stability of mappings and an answer to a problem of Th. M. Rassias. Zbl 0853.46036Găvruţa, P.; Hossu, M.; Popescu, D.; Căprău, C. 8 1995 An answer to a question of Th. M. Rassias and J. Tabor on mixed stability of mappings. Zbl 0983.39012Găvruţă, P. 8 1997 Generalized Hyers-Ulam stability for a general cubic functional equation in quasi-\(\beta \)-normed spaces. Zbl 1274.39057Eskandani, G. Z.; Rassias, J. M.; Gavruta, P. 8 2011 On the stability of an affine functional equation. Zbl 1296.39024Cădariu, Liviu; Găvruta, Laura; Găvruţa, Paşc 7 2013 On the Hyers-Ulam-Rassias stability of mappings. Zbl 0897.39008Găvruţă, P. 5 1998 On the stability problem in fuzzy Banach space. Zbl 1246.39022Eskandani, G. Zamani; Găvruţa, P.; Kim, Gwang Hui 3 2012 \(\Psi \)-additive mappings and Hyers-Ulam stability. Zbl 1183.41022Găvruţa, P.; Găvruţa, L. 3 2010 General stability of the cubic functional equation. Zbl 1051.39028Găvruţă, P.; Cădariu, L. 3 2002 Sebestyén’s moment problem and regular dilations. Zbl 1003.47005Gãvruţã, P.; Pãunescu, D. 3 2002 The generalized stability of a quadratic functional equation. Zbl 1125.39024Găvruţa, P.; Cădariu, L. 2 2004 Hyers-Ulam stability of frames in Hilbert spaces. Zbl 1349.42061Găvruţa, Laura; Găvruţa, Paşc; Zamani Eskandani, G. 2 2010 Ulam stability problem for frames. Zbl 1248.39032Găvruţa, Laura; Găvruţa, Paşc 2 2011 Inequalities for approximately additive mappings. Zbl 0974.39019Găvruţă, P.; Căldăraru, L. 2 1998 Indices of sharpness for Parseval frames, quantum effects and observables. Zbl 1399.42091Jivulescu, Maria-Anastasia; Găvruţă, Pasc 1 2015 Some properties of operator-valued frames. Zbl 1363.42054Gavruta, Laura; Gavruta, Pasc 1 2016 Approximation of functions by additive and by quadratic mappings. Zbl 1370.41058Găvruţa, Laura; Găvruţa, Paşc 1 2016 Superstability of adjointable mappings on Hilbert \(C^*\)-modules. Zbl 1199.46130Frank, M.; Găvruţa, P.; Moslehian, M. S. 1 2009 Moment problems for operators. Zbl 0791.47018Gǎvruţa, P.; Pǎunescu, D. 1 1989 On the Feichtinger conjecture. Zbl 1290.46015Găvruţa, Pasc 1 2013 Hyers-Ulam-Rassias stability of orthogonal additive mappings. Zbl 1253.39025Găvruţa, P.; Găvruţa, L. 1 2012 On generalized Hausdorff operators. Zbl 0675.47014Găvruţă, P. 1 1989 On a problem of Bernard Chevreau concerning the \(\rho\)-contractions. Zbl 1143.47008Găvruţa, P. 1 2008 Frames and operators in Hilbert \(C^{\ast}\)-modules. Zbl 1343.42042Najati, Abbas; Saem, M. Mohammadi; Găvruţa, P. 9 2016 Some properties of operator-valued frames. Zbl 1363.42054Gavruta, Laura; Gavruta, Pasc 1 2016 Approximation of functions by additive and by quadratic mappings. Zbl 1370.41058Găvruţa, Laura; Găvruţa, Paşc 1 2016 Indices of sharpness for Parseval frames, quantum effects and observables. Zbl 1399.42091Jivulescu, Maria-Anastasia; Găvruţă, Pasc 1 2015 On the stability of an affine functional equation. Zbl 1296.39024Cădariu, Liviu; Găvruta, Laura; Găvruţa, Paşc 7 2013 On the Feichtinger conjecture. Zbl 1290.46015Găvruţa, Pasc 1 2013 Fixed points and generalized Hyers-Ulam stability. Zbl 1252.39030Cădariu, L.; Găvruţa, L.; Găvruţa, P. 34 2012 Weighted space method for the stability of some nonlinear equations. Zbl 1289.39054Cădariu, Liviu; Găvruţa, Laura; Găvruţa, Paşc 13 2012 Hyers-Ulam-Rassias stability of pexiderized Cauchy functional equation in 2-Banach spaces. Zbl 1297.39030Eskandani, G. Zamani; Gavruta, P. 9 2012 On the stability problem in fuzzy Banach space. Zbl 1246.39022Eskandani, G. Zamani; Găvruţa, P.; Kim, Gwang Hui 3 2012 Hyers-Ulam-Rassias stability of orthogonal additive mappings. Zbl 1253.39025Găvruţa, P.; Găvruţa, L. 1 2012 Generalized Hyers-Ulam stability for a general mixed functional equation in quasi-\(\beta \)-normed spaces. Zbl 1236.39026Eskandani, G. Zamani; Gavruta, Pasc; Rassias, John M.; Zarghami, Ramazan 13 2011 Hyers-Ulam stability for second-order linear differential equations with boundary conditions. Zbl 1230.34020Gavruta, Pasc; Jung, Soon-Mo; Li, Yongjin 9 2011 Generalized Hyers-Ulam stability for a general cubic functional equation in quasi-\(\beta \)-normed spaces. Zbl 1274.39057Eskandani, G. Z.; Rassias, J. M.; Gavruta, P. 8 2011 Ulam stability problem for frames. Zbl 1248.39032Găvruţa, Laura; Găvruţa, Paşc 2 2011 A new method for the generalized Hyers-Ulam-Rassias stability. Zbl 1281.39038Găvruţa, P.; Găvruţa, Laura 32 2010 Hyers-Ulam stability of mean value points. Zbl 1219.39013Gavruta, P.; Jung, S.-M.; Li, Y. 9 2010 \(\Psi \)-additive mappings and Hyers-Ulam stability. Zbl 1183.41022Găvruţa, P.; Găvruţa, L. 3 2010 Hyers-Ulam stability of frames in Hilbert spaces. Zbl 1349.42061Găvruţa, Laura; Găvruţa, Paşc; Zamani Eskandani, G. 2 2010 Superstability of adjointable mappings on Hilbert \(C^*\)-modules. Zbl 1199.46130Frank, M.; Găvruţa, P.; Moslehian, M. S. 1 2009 On a problem of Bernard Chevreau concerning the \(\rho\)-contractions. Zbl 1143.47008Găvruţa, P. 1 2008 On the duality of fusion frames. Zbl 1127.46016Găvruţa, P. 46 2007 On some identities and inequalities for frames in Hilbert spaces. Zbl 1119.42011Găvruţa, P. 22 2006 On the Hyers-Ulam-Rassias stability of the quadratic mappings. Zbl 1066.39029Găvruţa, P. 11 2004 The generalized stability of a quadratic functional equation. Zbl 1125.39024Găvruţa, P.; Cădariu, L. 2 2004 General stability of the cubic functional equation. Zbl 1051.39028Găvruţă, P.; Cădariu, L. 3 2002 Sebestyén’s moment problem and regular dilations. Zbl 1003.47005Gãvruţã, P.; Pãunescu, D. 3 2002 On a problem of G. Isac and Th. M. Rassias concerning the stability of mappings. Zbl 0993.47002Găvruţa, P. 19 2001 On the Hyers-Ulam-Rassias stability of mappings. Zbl 0897.39008Găvruţă, P. 5 1998 Inequalities for approximately additive mappings. Zbl 0974.39019Găvruţă, P.; Căldăraru, L. 2 1998 An answer to a question of Th. M. Rassias and J. Tabor on mixed stability of mappings. Zbl 0983.39012Găvruţă, P. 8 1997 On the stability of mappings and an answer to a problem of Th. M. Rassias. Zbl 0853.46036Găvruţa, P.; Hossu, M.; Popescu, D.; Căprău, C. 8 1995 A generalization of the Hyers-Ulam-Rassias stability of approximately additive mappings. Zbl 0818.46043Gǎvruţa, P. 707 1994 On the stability of some functional equations. Zbl 0844.39007Găvruţă, P. 10 1994 Moment problems for operators. Zbl 0791.47018Gǎvruţa, P.; Pǎunescu, D. 1 1989 On generalized Hausdorff operators. Zbl 0675.47014Găvruţă, P. 1 1989 all cited Publications top 5 cited Publications all top 5 Cited by 579 Authors 187 Park, Choonkil 80 Eshaghi Gordji, Madjid 50 Lee, Yang-Hi 47 Lee, Jung-Rye 46 Rassias, John Michael 41 Jung, Soon-Mo 38 Rassias, Themistocles Michael 32 Kim, Hark-Mahn 32 Najati, Abbas 32 Shin, Dong-Yun 28 Cho, Yeol Je 27 Bodaghi, Abasalt 27 Saadati, Reza 25 Brzdęk, Janusz 25 Khodaei, Hamid 22 Ebadian, Ali 20 Jun, Kil-Woung 20 Kabbaj, Samir 19 Kim, Gwang Hui 17 Park, Wongil 16 Azadi-Kenary, Hassan 16 Chang, Ick-Soon 14 Bae, Jae-Hyeong 14 Senthil Kumar, B. V. 14 Wang, Zhihua 12 Ciepliński, Krzysztof 12 Eskandani, Golamreza Zamani 12 Sintunavarat, Wutiphol 12 Xu, Tianzhou 11 Almahalebi, Muaadh 11 Jin, Sunsook 11 Rezaei, Hamid 11 Tamilvanan, Kandhasamy 10 El-Fassi, Iz-Iddine 10 Găvruţă, Paşc 10 Ghaemi, Mohammad Bagher 10 Moslehian, Mohammad Sal 9 Ghobadipour, Norouz 9 Jang, Sunyoung 8 Bahyrycz, Anna 8 Jung, Yong-Soo 8 Lee, Young-Su 8 Zolfaghari, Somayyeh 7 Arefijamaal, Ali Akbar 7 Charifi, Ahmed 7 Chu, Hahng-Yun 7 Kim, Sang Og 7 Lee, Juri 6 Alizadeh, Badrkhan 6 Alizadeh, Zahra 6 An, Jong Su 6 Aribou, Youssef 6 Dutta, Hemen 6 Kenary, H. Azadi 6 Lu, Gang 6 Majani, Hamid 6 Moghimi, Mohammad Bagher Farshbaf 6 O’Regan, Donal 6 Sahoo, Prasanna K. 6 Son, Eunyoung 5 Aiemsomboon, Laddawan 5 Alessa, Nazek 5 Arunkumar, Mohan 5 Bavand Savadkouhi, Meysam 5 Cho, Young-Sun 5 Jin, Yuanfeng 5 Kaskasem, Prondanai 5 Lee, Young Whan 5 Leng, Jinsong 5 Loganathan, K. 5 Mohiuddine, Syed Abdul 5 Olko, Jolanta 5 Roh, Jaiok 5 Sabarinathan, Sriramulu 5 Shin, Hwan-Yong 5 Talebzadeh, Saedeh 5 Zhu, Yucan 4 Ahmadi, Reza H. 4 Cădariu, Liviu I. 4 Cui, Jianlian 4 Dimou, Hajira 4 Hwang, Inho 4 Jabłońska, Eliza 4 Kaboli-Gharetapeh, S. 4 Kang, DongSeung 4 Khodabakhsh, Razieh 4 Kim, ChangIl 4 Kim, Jihye 4 Klin-Eam, Chakkrid 4 Li, Yongjin 4 Modarres Mosadegh, Seyed Mohammad Sadegh 4 Monea, Mihai 4 Moradlou, Fridoun 4 Murali, Ramdoss 4 Neyshaburi, Fahimeh Arabyani 4 Nikoufar, Ismail 4 Piszczek, Magdalena 4 Ramdoss, Murali 4 Ramezani, Maryam 4 Sathya, Elumalai ...and 479 more Authors all top 5 Cited in 148 Serials 94 Journal of Inequalities and Applications 74 Journal of Mathematical Analysis and Applications 61 Abstract and Applied Analysis 46 Advances in Difference Equations 26 Journal of Fixed Point Theory and Applications 25 Results in Mathematics 25 Journal of Function Spaces 24 Fixed Point Theory and Applications 21 Acta Mathematica Sinica. English Series 15 Aequationes Mathematicae 15 Korean Journal of Mathematics 14 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 14 Applied Mathematics Letters 12 Discrete Dynamics in Nature and Society 12 Tbilisi Mathematical Journal 12 AIMS Mathematics 11 Journal of Mathematical Inequalities 10 Thai Journal of Mathematics 9 Filomat 8 Journal of Mathematical Physics 8 Journal of Applied Mathematics 8 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM 7 Applied Mathematics and Computation 7 Acta Mathematica Hungarica 7 International Journal of Geometric Methods in Modern Physics 7 Mediterranean Journal of Mathematics 7 Journal of Linear and Topological Algebra 6 International Journal of Mathematics and Mathematical Sciences 6 Journal of Difference Equations and Applications 6 Journal of Nonlinear Science and Applications 6 Mathematical Sciences 6 Mathematics 5 Demonstratio Mathematica 5 Fuzzy Sets and Systems 5 Honam Mathematical Journal 5 Acta Mathematica Scientia. Series B. (English Edition) 5 Proyecciones 5 Annali dell’Università di Ferrara. Sezione VII. Scienze Matematiche 5 Asian-European Journal of Mathematics 5 East Asian Mathematical Journal 5 Sahand Communications in Mathematical Analysis 4 Kyungpook Mathematical Journal 4 Proceedings of the American Mathematical Society 4 Acta Applicandae Mathematicae 4 Proceedings of the Indian Academy of Sciences. Mathematical Sciences 4 Kragujevac Journal of Mathematics 4 Banach Journal of Mathematical Analysis 4 Journal of Mathematical Extension 3 Bulletin of the Australian Mathematical Society 3 Computers & Mathematics with Applications 3 Indian Journal of Pure & Applied Mathematics 3 Rocky Mountain Journal of Mathematics 3 Ukrainian Mathematical Journal 3 Linear Algebra and its Applications 3 The Journal of Analysis 3 Applied and Computational Harmonic Analysis 3 Georgian Mathematical Journal 3 Analysis (München) 3 Qualitative Theory of Dynamical Systems 3 Nonlinear Functional Analysis and Applications 3 Bulletin of the Malaysian Mathematical Sciences Society. Second Series 3 International Journal of Wavelets, Multiresolution and Information Processing 3 Journal of Function Spaces and Applications 3 Complex Analysis and Operator Theory 3 Journal of Pseudo-Differential Operators and Applications 3 Journal of Applied Analysis and Computation 3 Palestine Journal of Mathematics 2 Linear and Multilinear Algebra 2 Abhandlungen aus dem Mathematischen Seminar der Universität Hamburg 2 Glasgow Mathematical Journal 2 Journal of Computational and Applied Mathematics 2 Mathematica Slovaca 2 Rendiconti del Circolo Matemàtico di Palermo. Serie II 2 Bulletin of the Iranian Mathematical Society 2 Facta Universitatis. Series Mathematics and Informatics 2 Annales Mathématiques Blaise Pascal 2 Journal of Convex Analysis 2 Bulletin des Sciences Mathématiques 2 Journal of the Korean Society of Mathematical Education. Series B. The Pure and Applied Mathematics 2 Annales Mathematicae Silesianae 2 Applied Mathematics E-Notes 2 Advances in Mathematical Physics 2 Advances in Fuzzy Systems 2 Advances in Pure and Applied Mathematics 2 Journal of Classical Analysis 2 Journal of Mathematics 2 Constructive Mathematical Analysis 1 Letters in Mathematical Physics 1 Acta Mathematica Vietnamica 1 Czechoslovak Mathematical Journal 1 Functional Analysis and its Applications 1 Journal of Approximation Theory 1 The Journal of the Indian Mathematical Society. New Series 1 Mathematische Nachrichten 1 Monatshefte für Mathematik 1 Publications de l’Institut Mathématique. Nouvelle Série 1 Rendiconti di Matematica e delle sue Applicazioni. Serie VII 1 Bulletin of the Korean Mathematical Society 1 Chinese Annals of Mathematics. Series B 1 Extracta Mathematicae ...and 48 more Serials all top 5 Cited in 38 Fields 719 Difference and functional equations (39-XX) 311 Functional analysis (46-XX) 205 Operator theory (47-XX) 73 Harmonic analysis on Euclidean spaces (42-XX) 34 General topology (54-XX) 30 Ordinary differential equations (34-XX) 29 Nonassociative rings and algebras (17-XX) 28 Real functions (26-XX) 19 Approximations and expansions (41-XX) 12 Associative rings and algebras (16-XX) 11 Integral equations (45-XX) 8 Numerical analysis (65-XX) 7 Partial differential equations (35-XX) 6 Abstract harmonic analysis (43-XX) 5 Dynamical systems and ergodic theory (37-XX) 5 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 4 Number theory (11-XX) 4 Field theory and polynomials (12-XX) 4 Group theory and generalizations (20-XX) 4 Integral transforms, operational calculus (44-XX) 3 Commutative algebra (13-XX) 3 Linear and multilinear algebra; matrix theory (15-XX) 3 Biology and other natural sciences (92-XX) 3 Information and communication theory, circuits (94-XX) 2 Measure and integration (28-XX) 2 Functions of a complex variable (30-XX) 2 Several complex variables and analytic spaces (32-XX) 2 Special functions (33-XX) 2 Calculus of variations and optimal control; optimization (49-XX) 2 Probability theory and stochastic processes (60-XX) 2 Computer science (68-XX) 1 General and overarching topics; collections (00-XX) 1 History and biography (01-XX) 1 Mathematical logic and foundations (03-XX) 1 Combinatorics (05-XX) 1 Mechanics of particles and systems (70-XX) 1 Quantum theory (81-XX) 1 Systems theory; control (93-XX) Citations by Year