Edit Profile (opens in new tab) Grushin, V. V. Compute Distance To: Compute Author ID: grushin.v-v Published as: Grushin, V. V. External Links: MGP Documents Indexed: 75 Publications since 1959 Co-Authors: 17 Co-Authors with 34 Joint Publications 801 Co-Co-Authors all top 5 Co-Authors 41 single-authored 9 Vishik, Marko Iosifovich 8 Dobrokhotov, Sergei Yurievich 6 Gorin, Evgeniĭ Alekseevich 4 Sergeev, Sergeĭ Alekseevich 3 Brüning, Jochen 3 Palamodov, Victor Pavlovitch 3 Shananin, N. A. 3 Vaĭnberg, Boris Rufimovich 2 Aleksandrov, Pavel Sergeevich 2 Fomin, Sergeĭ Vasil’evich 2 Gel’fand, Israil’ Moiseevich 2 Kolmogorov, Andreĭ Nikolaevich 2 Oleĭnik, Ol’ga Arsen’evna 2 Savsan, M. A. 1 Gorin, A. E. 1 Tirozzi, Brunello 1 Tudorovskii, T. Ya. all top 5 Serials 11 Mathematical Notes 10 Matematicheskiĭ Sbornik. Novaya Seriya 9 Soviet Mathematics. Doklady 8 Uspekhi Matematicheskikh Nauk [N. S.] 7 Mathematics of the USSR, Sbornik 4 Vestnik Moskovskogo Universiteta. Seriya I. Matematika, Mekhanika 4 Russian Journal of Mathematical Physics 3 Functional Analysis and its Applications 2 Russian Mathematical Surveys 2 Transactions of the Moscow Mathematical Society 2 Trudy Moskovskogo Matematicheskogo Obshchestva 2 Proceedings of the Steklov Institute of Mathematics 2 Translations. Series 2. American Mathematical Society 1 Matematicheskie Zametki 1 Moscow University Mathematics Bulletin 1 Theoretical and Mathematical Physics 1 Funktsional’nyĭ Analiz i ego Prilozheniya 1 Nauchnye Doklady Vyssheĭ Shkoly. Fiziko-Matematicheskie Nauki all top 5 Fields 37 Partial differential equations (35-XX) 9 Operator theory (47-XX) 5 Fluid mechanics (76-XX) 5 Quantum theory (81-XX) 3 Numerical analysis (65-XX) 2 History and biography (01-XX) 1 Functions of a complex variable (30-XX) 1 Harmonic analysis on Euclidean spaces (42-XX) 1 Functional analysis (46-XX) 1 Differential geometry (53-XX) 1 Geophysics (86-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 41 Publications have been cited 326 times in 242 Documents Cited by ▼ Year ▼ On a class of hypoelliptic operators. Zbl 0252.35057Grushin, V. V. 60 1971 On a class of elliptic pseudodifferential operators degenerate on a submanifold. Zbl 0238.47038Grushin, V. V. 51 1971 On the eigenvalues of finitely perturbed Laplace operators in infinite cylindrical domains. Zbl 1111.35022Grushin, V. V. 21 2004 Pseudodifferential operators on \(R^ n\) with bounded symbols. Zbl 0223.35084Grushin, V. V. 18 1970 Elliptic pseudodifferential operators on a closed manifold which degenerate on a submanifold. Zbl 0238.35078Vishik, M. I.; Grushin, V. V. 17 1969 On a class of higher order degenerate elliptic equations. Zbl 0191.11703Vishik, M. I.; Grushin, V. V. 12 1970 Boundary value problems for elliptic equations degenerate on the boundary of a domain. Zbl 0202.11402Vishik, M. I.; Grushin, V. V. 12 1970 On Sommerfeld-type conditions for a certain class of partial differential equations. Zbl 0174.14802Grushin, V. V. 12 1963 Hypoelliptic differential equations and pseudodifferential operators with operator-valued symbols. Zbl 0255.35022Grushin, V. V. 10 1973 Multiparameter perturbation theory of Fredholm operators applied to Bloch functions. Zbl 1197.47025Grushin, V. V. 10 2009 Asymptotic behavior of the eigenvalues of the Schrödinger operator with transversal potential in a weakly curved infinite cylinder. Zbl 1082.35113Grushin, V. V. 8 2005 Averaging of linear operators, adiabatic approximation, and pseudodifferential operators. Zbl 1282.47079Brüning, J.; Grushin, V. V.; Dobrokhotov, S. Yu. 8 2012 Homogenization and dispersion effects in the problem of propagation of waves generated by a localized source. Zbl 1293.35279Grushin, V. V.; Dobrokhotov, S. Yu.; Sergeev, S. A. 7 2013 Asymptotic behavior of eigenvalues of the Laplace operator in thin infinite tubes. Zbl 1181.35150Grushin, V. V. 7 2009 Asymptotic behavior of the eigenvalues of the Schrödinger operator in thin closed tubes. Zbl 1152.35452Grushin, V. V. 6 2008 Peierls substitution and the Maslov operator method. Zbl 1197.35086Grushin, V. V.; Dobrokhotov, S. Yu. 5 2010 Uniformly nonelliptic problems. I, II. Zbl 0179.43304Vajnberg, B. R.; Grushin, V. V. 5 1968 Entartende elliptische Differential- und Pseudodifferentialoperatoren. Zbl 0209.40901Vishik, M. I.; Grushin, V. V. 4 1970 Elliptic boundary value problems degenerating on a submanifold of the boundary. Zbl 0238.35032Vishik, M. I.; Grushin, V. V. 4 1970 Generalized Foldy-Wouthuysen transformation and pseudodifferential operators. Zbl 1274.81069Brüning, J.; Grushin, V. V.; Dobrokhotov, S. Yu.; Tudorovskii, T. Ya. 4 2011 Approximate formulas for eigenvalues of the Laplace operator on a torus arising in linear problems with oscillating coefficients. Zbl 1257.35135Brüning, J.; Grushin, V. V.; Dobrokhotov, S. Yu. 4 2012 On solutions with isolated singularities for partial differential equations with constant coefficients. Zbl 0162.14701Grushin, V. V. 4 1966 Asymptotic theory of linear water waves in a domain with nonuniform bottom with rapidly oscillating sections. Zbl 1359.76057Dobrokhotov, S. Yu.; Grushin, V. V.; Sergeev, S. A.; Tirozzi, B. 4 2016 Some theorems on the singularities of solutions of differential equations with weighted principal symbols. Zbl 0386.35012Grushin, V. V.; Shananin, N. A. 3 1977 On the proof of the discreteness of the spectrum of one class of differential operators in \(R^ n\). Zbl 0227.35074Grushin, V. V. 3 1971 Randwertprobleme für elliptische Gleichungen, die auf dem Rand des Gebietes entartet sind. Zbl 0186.17101Vishik, M. I.; Grushin, V. V. 3 1969 Generalized method of stationary phase for the Fourier transform of a rapidly oscillating function. Zbl 1384.42002Grushin, V. V. 3 2017 Über eine Klasse hypoelliptischer Operatoren. Zbl 0211.40503Grushin, V. V. 2 1970 Hypoelliptische Differentialgleichungen und Pseudodifferentialoperatoren mit operatorwertigen Symbolen. Zbl 0243.35020Grushin, V. V. 2 1972 Les problèmes aux limites dégénérées et les opérateurs pseudo- différentiels. Zbl 0244.35075Grushin, V. V. 2 1971 Smoothness of solutions of boundary value problems for a certain class of elliptic equations of arbitrary order which degenerate on the boundary of the domain. Zbl 0318.35029Grushin, V. V.; Savsan, M. A. 2 1975 Homogenization in the problem of long water waves over a bottom site with fast oscillations. Zbl 1315.35165Grushin, V. V.; Dobrokhotov, S. Yu. 2 2014 Asymptotics of the propagation problem for linear waves on a two-dimensional lattice and modified Maslov’s canonical operator. Zbl 1435.81082Grushin, V. V.; Sergeev, S. A. 2 2020 Asymptotic behavior of eigenvalues of the Laplace operator in infinite cylinders perturbed by transverse extensions. Zbl 1136.35057Grushin, V. V. 2 2007 Degenerating elliptic differential and pseudo-differential operators. Zbl 0222.35024Vishik, M. I.; Grushin, V. V. 1 1970 A differential equation without a solution. Zbl 0223.35011Grushin, V. V. 1 1971 A differential equation without a solution. Zbl 0228.35015Grushin, V. V. 1 1972 Zur Definition der hypoelliptischen Gleichungen. Zbl 0104.07301Gorin, E. A.; Grushin, V. V. 1 1961 Über die maximale Anzahl von paarweise fremden zueinander homöomorphen Figuren, die sich im dreidimensionalen Raum unterbringen lassen. Zbl 0109.41003Grushin, V. V.; Palamodov, V. P. 1 1962 Local theorem for partial differential equations with constant coefficients. Zbl 0162.14702Gorin, E. A.; Grushin, V. V. 1 1965 Uniformly noncoercive problems for elliptic equations. Zbl 0179.43303Vajnberg, B. R.; Grushin, V. V. 1 1967 Asymptotics of the propagation problem for linear waves on a two-dimensional lattice and modified Maslov’s canonical operator. Zbl 1435.81082Grushin, V. V.; Sergeev, S. A. 2 2020 Generalized method of stationary phase for the Fourier transform of a rapidly oscillating function. Zbl 1384.42002Grushin, V. V. 3 2017 Asymptotic theory of linear water waves in a domain with nonuniform bottom with rapidly oscillating sections. Zbl 1359.76057Dobrokhotov, S. Yu.; Grushin, V. V.; Sergeev, S. A.; Tirozzi, B. 4 2016 Homogenization in the problem of long water waves over a bottom site with fast oscillations. Zbl 1315.35165Grushin, V. V.; Dobrokhotov, S. Yu. 2 2014 Homogenization and dispersion effects in the problem of propagation of waves generated by a localized source. Zbl 1293.35279Grushin, V. V.; Dobrokhotov, S. Yu.; Sergeev, S. A. 7 2013 Averaging of linear operators, adiabatic approximation, and pseudodifferential operators. Zbl 1282.47079Brüning, J.; Grushin, V. V.; Dobrokhotov, S. Yu. 8 2012 Approximate formulas for eigenvalues of the Laplace operator on a torus arising in linear problems with oscillating coefficients. Zbl 1257.35135Brüning, J.; Grushin, V. V.; Dobrokhotov, S. Yu. 4 2012 Generalized Foldy-Wouthuysen transformation and pseudodifferential operators. Zbl 1274.81069Brüning, J.; Grushin, V. V.; Dobrokhotov, S. Yu.; Tudorovskii, T. Ya. 4 2011 Peierls substitution and the Maslov operator method. Zbl 1197.35086Grushin, V. V.; Dobrokhotov, S. Yu. 5 2010 Multiparameter perturbation theory of Fredholm operators applied to Bloch functions. Zbl 1197.47025Grushin, V. V. 10 2009 Asymptotic behavior of eigenvalues of the Laplace operator in thin infinite tubes. Zbl 1181.35150Grushin, V. V. 7 2009 Asymptotic behavior of the eigenvalues of the Schrödinger operator in thin closed tubes. Zbl 1152.35452Grushin, V. V. 6 2008 Asymptotic behavior of eigenvalues of the Laplace operator in infinite cylinders perturbed by transverse extensions. Zbl 1136.35057Grushin, V. V. 2 2007 Asymptotic behavior of the eigenvalues of the Schrödinger operator with transversal potential in a weakly curved infinite cylinder. Zbl 1082.35113Grushin, V. V. 8 2005 On the eigenvalues of finitely perturbed Laplace operators in infinite cylindrical domains. Zbl 1111.35022Grushin, V. V. 21 2004 Some theorems on the singularities of solutions of differential equations with weighted principal symbols. Zbl 0386.35012Grushin, V. V.; Shananin, N. A. 3 1977 Smoothness of solutions of boundary value problems for a certain class of elliptic equations of arbitrary order which degenerate on the boundary of the domain. Zbl 0318.35029Grushin, V. V.; Savsan, M. A. 2 1975 Hypoelliptic differential equations and pseudodifferential operators with operator-valued symbols. Zbl 0255.35022Grushin, V. V. 10 1973 Hypoelliptische Differentialgleichungen und Pseudodifferentialoperatoren mit operatorwertigen Symbolen. Zbl 0243.35020Grushin, V. V. 2 1972 A differential equation without a solution. Zbl 0228.35015Grushin, V. V. 1 1972 On a class of hypoelliptic operators. Zbl 0252.35057Grushin, V. V. 60 1971 On a class of elliptic pseudodifferential operators degenerate on a submanifold. Zbl 0238.47038Grushin, V. V. 51 1971 On the proof of the discreteness of the spectrum of one class of differential operators in \(R^ n\). Zbl 0227.35074Grushin, V. V. 3 1971 Les problèmes aux limites dégénérées et les opérateurs pseudo- différentiels. Zbl 0244.35075Grushin, V. V. 2 1971 A differential equation without a solution. Zbl 0223.35011Grushin, V. V. 1 1971 Pseudodifferential operators on \(R^ n\) with bounded symbols. Zbl 0223.35084Grushin, V. V. 18 1970 On a class of higher order degenerate elliptic equations. Zbl 0191.11703Vishik, M. I.; Grushin, V. V. 12 1970 Boundary value problems for elliptic equations degenerate on the boundary of a domain. Zbl 0202.11402Vishik, M. I.; Grushin, V. V. 12 1970 Entartende elliptische Differential- und Pseudodifferentialoperatoren. Zbl 0209.40901Vishik, M. I.; Grushin, V. V. 4 1970 Elliptic boundary value problems degenerating on a submanifold of the boundary. Zbl 0238.35032Vishik, M. I.; Grushin, V. V. 4 1970 Über eine Klasse hypoelliptischer Operatoren. Zbl 0211.40503Grushin, V. V. 2 1970 Degenerating elliptic differential and pseudo-differential operators. Zbl 0222.35024Vishik, M. I.; Grushin, V. V. 1 1970 Elliptic pseudodifferential operators on a closed manifold which degenerate on a submanifold. Zbl 0238.35078Vishik, M. I.; Grushin, V. V. 17 1969 Randwertprobleme für elliptische Gleichungen, die auf dem Rand des Gebietes entartet sind. Zbl 0186.17101Vishik, M. I.; Grushin, V. V. 3 1969 Uniformly nonelliptic problems. I, II. Zbl 0179.43304Vajnberg, B. R.; Grushin, V. V. 5 1968 Uniformly noncoercive problems for elliptic equations. Zbl 0179.43303Vajnberg, B. R.; Grushin, V. V. 1 1967 On solutions with isolated singularities for partial differential equations with constant coefficients. Zbl 0162.14701Grushin, V. V. 4 1966 Local theorem for partial differential equations with constant coefficients. Zbl 0162.14702Gorin, E. A.; Grushin, V. V. 1 1965 On Sommerfeld-type conditions for a certain class of partial differential equations. Zbl 0174.14802Grushin, V. V. 12 1963 Über die maximale Anzahl von paarweise fremden zueinander homöomorphen Figuren, die sich im dreidimensionalen Raum unterbringen lassen. Zbl 0109.41003Grushin, V. V.; Palamodov, V. P. 1 1962 Zur Definition der hypoelliptischen Gleichungen. Zbl 0104.07301Gorin, E. A.; Grushin, V. V. 1 1961 all cited Publications top 5 cited Publications all top 5 Cited by 254 Authors 13 Dobrokhotov, Sergei Yurievich 13 Grushin, V. V. 13 Nazarov, Sergeĭ Aleksandrovich 8 Baev, Aleksandr Dmitrievich 8 Sergeev, Sergeĭ Alekseevich 7 Weinstein, Michael I. 5 Helffer, Bernard 5 Nguyễn Minh Trí 4 Garofalo, Nicola 4 Liu, Hairong 4 Mughetti, Marco 4 Nazaikinskii, Vladimir E. 4 Rădulescu, Vicenţiu D. 4 Rothschild, Linda Preiss 3 Bagirov, Lev A. 3 Bahrouni, Anouar 3 Borisov, Denis Ivanovich 3 Brüning, Jochen 3 Cardone, Giuseppe 3 Fefferman, Charles Louis 3 Kaneko, Akira 3 Matsuzawa, Tadato 3 Nicola, Fabio 3 Rabinovich, Vladimir Samuilovich 3 Rodino, Luigi 3 Saks, Romèn Semenovich 3 Samet, Bessem 3 Tirozzi, Brunello 3 Yang, Xiaoping 2 Bauer, Wolfram 2 Bolley, Pierre 2 Boutet de Monvel, Louis 2 Bove, Antonio 2 Bruneau, Vincent 2 Budaev, V. S. 2 Camus, Jacques 2 Chang, Der-Chen E. 2 D’Ambrosio, Lorenzo 2 Debbaj, Omar 2 Egorov, Yuriĭ Vladimirovich 2 Furutani, Kenro 2 Gadyl’shin, Rustem R. 2 Hashimoto, Yoshiaki 2 Iwasaki, Chisato 2 Jleli, Mohamed Boussairi 2 Kachmar, Ayman 2 Karlovych, Oleksiy 2 Kharchenko, Victoria Dmitrievna 2 Kim, KyeongHun 2 Kobylinskii, P. A. 2 Kovalevskĭ, Rostislav A. 2 Kovařík, Hynek 2 Krejčiřík, David 2 Kuchment, Peter A. 2 Kumano-go, Hitoshi 2 Lampart, Jonas 2 Lee-Thorp, James P. 2 Li, Yutian 2 Luyen, Duong Trong 2 Miranda, Pablo L. 2 Mishchenko, Aleksandr Sergeevich 2 Natroshvili, David 2 Oaku, Toshinori 2 Pankov, V. V. 2 Popoff, Nicolas 2 Radkevich, Evgeniĭ Vladimirovich 2 Repovš, Dušan D. 2 Robert, Didier 2 Samoĭlenko, Yuliya Ivanivna 2 Sekerzh-Zen’kovich, Sergeĭ Yakovlevich 2 Shananin, N. A. 2 Shen, Zhongwei 2 Shimakura, Norio 2 Taniguchi, Kazuo 2 Taniguchi, Setsuo 2 Tartakoff, David S. 2 Teufel, Stefan 2 Tian, Long 2 Trèves, François 2 Tsutsumi, Akira 2 Verri, Alessandra A. 2 Wong, Man Wah 2 Yener, Abdullah 1 Agarwal, Ravi P. 1 Ahmad, Bashir 1 Alimohammady, Mohsen 1 Al-saedi, Ahmed Eid Salem 1 Babaitsev, A. A. 1 Babaytsev, A. A. 1 Bagirov, Shirmail G. 1 Bal, Guillaume 1 Barseghyan, Diana 1 Bazaliĭ, Boris V. 1 Beals, Richard W. 1 Beckner, William 1 Bellaïche, André 1 Berestovskiĭ, Valeriĭ Nikolaevich 1 Berkhin, P. E. 1 Bikmetov, Aĭdar Renatovich 1 Briet, Philippe ...and 154 more Authors all top 5 Cited in 97 Serials 18 Mathematical Notes 12 Communications in Partial Differential Equations 12 Proceedings of the Japan Academy 10 Russian Journal of Mathematical Physics 9 Annales de l’Institut Fourier 8 Journal of Differential Equations 8 Journal of Mathematical Sciences (New York) 8 Doklady Mathematics 7 Siberian Mathematical Journal 6 Annali della Scuola Normale Superiore di Pisa. Classe di Scienze. Serie IV 5 Proceedings of the American Mathematical Society 4 Journal of Mathematical Analysis and Applications 4 Advances in Mathematics 4 Journal of Functional Analysis 4 Mathematische Annalen 3 Communications on Pure and Applied Mathematics 3 Journal of Applied Mathematics and Mechanics 3 Journal of Mathematical Physics 3 Theoretical and Mathematical Physics 3 Proceedings of the Japan Academy. Series A 3 Publications of the Research Institute for Mathematical Sciences, Kyoto University 3 Complex Variables and Elliptic Equations 3 Vestnik Samarskogo Gosudarstvennogo Tekhnicheskogo Universiteta. Seriya Fiziko-Matematicheskie Nauki 2 Archive for Rational Mechanics and Analysis 2 Journal d’Analyse Mathématique 2 Rocky Mountain Journal of Mathematics 2 Russian Mathematical Surveys 2 Ukrainian Mathematical Journal 2 ZAMP. Zeitschrift für angewandte Mathematik und Physik 2 Arkiv för Matematik 2 Annales Scientifiques de l’École Normale Supérieure. Quatrième Série 2 Functional Analysis and its Applications 2 Journal of Soviet Mathematics 2 Nagoya Mathematical Journal 2 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 2 Transactions of the American Mathematical Society 2 The Journal of Geometric Analysis 2 Computational Mathematics and Mathematical Physics 2 Russian Mathematics 2 Kyushu Journal of Mathematics 2 Sbornik: Mathematics 2 Annales Henri Poincaré 2 Differential Equations 2 Multiscale Modeling & Simulation 2 Bulletin de la Société Mathématique de France. Supplément. Mémoires 2 Proceedings of the Steklov Institute of Mathematics 2 Journal of Pseudo-Differential Operators and Applications 1 Applicable Analysis 1 Communications in Mathematical Physics 1 Fluid Dynamics 1 Mathematical Methods in the Applied Sciences 1 Nonlinearity 1 Zhurnal Vychislitel’noĭ Matematiki i Matematicheskoĭ Fiziki 1 Reviews in Mathematical Physics 1 Acta Mathematica 1 Boletim da Sociedade Brasileira de Matemática 1 Bulletin de la Société Mathématique de France 1 Compositio Mathematica 1 Duke Mathematical Journal 1 International Journal of Mathematics and Mathematical Sciences 1 Integral Equations and Operator Theory 1 Inventiones Mathematicae 1 Zeitschrift für Analysis und ihre Anwendungen 1 Annals of Global Analysis and Geometry 1 Journal of Theoretical Probability 1 Applied Mathematics Letters 1 Journal of the American Mathematical Society 1 Aequationes Mathematicae 1 Historia Mathematica 1 Journal de Mathématiques Pures et Appliquées. Neuvième Série 1 Bulletin of the American Mathematical Society. New Series 1 Journal of Knot Theory and its Ramifications 1 St. Petersburg Mathematical Journal 1 Turkish Journal of Mathematics 1 Georgian Mathematical Journal 1 NoDEA. Nonlinear Differential Equations and Applications 1 Advances in Differential Equations 1 Integral Transforms and Special Functions 1 Izvestiya: Mathematics 1 European Series in Applied and Industrial Mathematics (ESAIM): Control, Optimization and Calculus of Variations 1 Abstract and Applied Analysis 1 Acta Mathematica Sinica. English Series 1 Journal of Evolution Equations 1 Acta Mathematica Scientia. Series B. (English Edition) 1 Comptes Rendus. Mathématique. Académie des Sciences, Paris 1 Communications on Pure and Applied Analysis 1 Journal of Mathematical Physics, Analysis, Geometry 1 Journal of Physics A: Mathematical and Theoretical 1 Operators and Matrices 1 Transactions of National Academy of Sciences of Azerbaijan. Series of Physical-Technical and Mathematical Sciences 1 Banach Journal of Mathematical Analysis 1 Science China. Mathematics 1 Bulletin of Mathematical Sciences 1 Publications of the Research Institute for Mathematical Sciences, Series A 1 Arabian Journal of Mathematics 1 Annals of PDE 1 Pure and Applied Analysis all top 5 Cited in 33 Fields 202 Partial differential equations (35-XX) 45 Operator theory (47-XX) 30 Quantum theory (81-XX) 21 Functional analysis (46-XX) 17 Global analysis, analysis on manifolds (58-XX) 17 Fluid mechanics (76-XX) 13 Optics, electromagnetic theory (78-XX) 13 Statistical mechanics, structure of matter (82-XX) 9 Differential geometry (53-XX) 6 Numerical analysis (65-XX) 5 Mechanics of deformable solids (74-XX) 4 Real functions (26-XX) 4 Special functions (33-XX) 4 Probability theory and stochastic processes (60-XX) 3 History and biography (01-XX) 3 Topological groups, Lie groups (22-XX) 3 Functions of a complex variable (30-XX) 3 Ordinary differential equations (34-XX) 3 Harmonic analysis on Euclidean spaces (42-XX) 3 Integral equations (45-XX) 3 Calculus of variations and optimal control; optimization (49-XX) 3 Geophysics (86-XX) 2 Potential theory (31-XX) 2 Several complex variables and analytic spaces (32-XX) 2 Approximations and expansions (41-XX) 1 Linear and multilinear algebra; matrix theory (15-XX) 1 Associative rings and algebras (16-XX) 1 Dynamical systems and ergodic theory (37-XX) 1 Difference and functional equations (39-XX) 1 General topology (54-XX) 1 Manifolds and cell complexes (57-XX) 1 Mechanics of particles and systems (70-XX) 1 Systems theory; control (93-XX) Citations by Year