Edit Profile (opens in new tab) Christensen, Erik Compute Distance To: Compute Author ID: christensen.erik Published as: Christensen, Erik Homepage: http://web.math.ku.dk/~echris/ External Links: Google Scholar · ResearchGate Documents Indexed: 57 Publications since 1972, including 1 Book 1 Further Contribution Co-Authors: 17 Co-Authors with 30 Joint Publications 370 Co-Co-Authors all top 5 Co-Authors 28 single-authored 18 Sinclair, Allan M. 10 Smith, Roger R. 7 White, Stuart Andrew 5 Ivan, Cristina 3 Cameron, Jan M. 3 Pop, Florin 3 Wiggins, Alan D. 2 Effros, Edward George 2 Winter, Wilhelm 1 Antonescu, Cristina 1 Choi, Man-Duen 1 Cuntz, Joachim 1 Doplicher, Sergio 1 Evans, David E. 1 Ge, Liming 1 Glimm, James G. 1 Jaffe, Arthur Michael 1 Kadison, Lars 1 Lapidus, Michel L. 1 Pedersen, Gert Kjærgård 1 Peligrad, Costel 1 Popa, Sorin Teodor 1 Powers, Robert T. 1 Rieffel, Marc A. 1 Rørdam, Mikael 1 Schrohe, Elmar 1 Singer, Isadore Manuel 1 Størmer, Erling 1 Takesaki, Masamichi 1 Wang, Liguang all top 5 Serials 5 Journal of Functional Analysis 4 Mathematica Scandinavica 3 Communications in Mathematical Physics 3 Bulletin of the London Mathematical Society 3 Inventiones Mathematicae 3 Mathematische Annalen 3 Journal of Operator Theory 2 Acta Mathematica 2 Journal of the London Mathematical Society. Second Series 2 Pacific Journal of Mathematics 2 Proceedings of the National Academy of Sciences of the United States of America 1 Advances in Mathematics 1 American Journal of Mathematics 1 Canadian Journal of Mathematics 1 Duke Mathematical Journal 1 Indiana University Mathematics Journal 1 Proceedings of the American Mathematical Society 1 Proceedings of the Edinburgh Mathematical Society. Series II 1 Proceedings of the London Mathematical Society. Third Series 1 Comptes Rendus Mathématiques de l’Académie des Sciences 1 International Journal of Mathematics 1 Geometric and Functional Analysis. GAFA 1 Linear Algebra and its Applications 1 Expositiones Mathematicae 1 Notices of the American Mathematical Society 1 Annals of Mathematics. Second Series 1 Acta Mathematica Sinica. English Series 1 Journal of Noncommutative Geometry 1 Münster Journal of Mathematics all top 5 Fields 55 Functional analysis (46-XX) 15 Operator theory (47-XX) 8 Global analysis, analysis on manifolds (58-XX) 5 Quantum theory (81-XX) 4 Linear and multilinear algebra; matrix theory (15-XX) 3 Measure and integration (28-XX) 2 \(K\)-theory (19-XX) 2 Dynamical systems and ergodic theory (37-XX) 2 Differential geometry (53-XX) 1 History and biography (01-XX) 1 Associative rings and algebras (16-XX) 1 Abstract harmonic analysis (43-XX) 1 General topology (54-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 48 Publications have been cited 806 times in 555 Documents Cited by ▼ Year ▼ Subalgebras of a finite algebra. Zbl 0393.46049Christensen, Erik 74 1979 Derivations of nest algebras. Zbl 0356.46057Christensen, Erik 64 1977 Extensions of derivations. II. Zbl 0503.47032Christensen, Erik 61 1982 Completely bounded multilinear maps and \(C^ *\)-algebraic cohomology. Zbl 0646.46052Christensen, Erik; Effros, Edward G.; Sinclair, Allan 49 1987 Representations of completely bounded multilinear operators. Zbl 0622.46040Christensen, Erik; Sinclair, Allan M. 48 1987 Cohomology of operator algebras and quantum dynamical semigroups. Zbl 0448.46040Christensen, Erik; Evans, David E. 46 1979 Spectral triples for AF \(C^{\ast}\)-algebras and metrics on the Cantor set. Zbl 1111.46052Christensen, Erik; Ivan, Cristina 41 2006 Measures on projections and physical states. Zbl 0507.46052Christensen, Erik 37 1982 Dirac operators and spectral triples for some fractal sets built on curves. Zbl 1133.28002Christensen, Erik; Ivan, Cristina; Lapidus, Michel L. 30 2008 Perturbations of operator algebras. II. Zbl 0395.46045Christensen, Erik 29 1977 Near inclusions of C*-algebras. Zbl 0469.46044Christensen, Erik 26 1980 A survey of completely bounded operators. Zbl 0698.46044Christensen, Erik; Sinclair, Allan M. 22 1989 Perturbation of operator algebras. Zbl 0366.46050Christensen, Erik 21 1977 Extension of derivations. Zbl 0367.46059Christensen, Erik 18 1978 Perturbations of type I von Neumann algebras. Zbl 0319.46052Christensen, Erik 18 1975 On von Neumann algebras which are complemented subspaces of \(B(H)\). Zbl 0817.46059Christensen, Erik; Sinclair, Allan M. 17 1994 On non self-adjoint representations of C*-algebras. Zbl 0498.46042Christensen, Erik 17 1981 Completely order isomorphic and close \(C^*\)-algebras need not be \({}^*\)-isomorphic. Zbl 0541.46046Choi, Man-Duen; Christensen, Erik 14 1983 Perturbations of nuclear \(C^*\)-algebras. Zbl 1252.46047Christensen, Erik; Sinclair, Allan M.; Smith, Roger R.; White, Stuart A.; Winter, Wilhelm 14 2012 Spectral triples and the geometry of fractals. Zbl 1244.28010Christensen, Erik; Ivan, Cristina; Schrohe, Elmar 13 2012 Sums of two-dimensional spectral triples. Zbl 1155.58003Christensen, Erik; Ivan, Cristina 13 2007 Metrics on group \(C^{*}\)-algebras and a non-commutative Arzelà-Ascoli theorem. Zbl 1063.46059Antonescu, Cristina; Christensen, Erik 12 2004 Finite von Neumann algebra factors with property \(\Gamma\). Zbl 1020.46017Christensen, Erik 11 2001 Module mappings into von Neumann algebras and injectivity. Zbl 0958.46030Christensen, Erik; Sinclair, Allan M. 11 1995 On the vanishing of \(H^ n(\mathcal A,\mathcal A^*)\) for certain \(C^*\)- algebras. Zbl 0685.46044Christensen, Erik; Sinclair, Allan M. 9 1989 Hochschild cohomology of factors with property \(\Gamma\). Zbl 1048.46051Christensen, Erik; Pop, Florin; Sinclair, Allan M.; Smith, Roger R. 9 2003 Perturbations of \(C^*\)-algebraic invariants. Zbl 1205.46036Christensen, Erik; Sinclair, Allan; Smith, Roger R.; White, Stuart 9 2010 On the cohomology groups of certain finite von Neumann algebras. Zbl 0887.46043Christensen, Erik; Pop, Florin; Sinclair, Allan M.; Smith, Roger R. 8 1997 Completely bounded isomorphisms of injective von Neuman algebras. Zbl 0651.46059Christensen, Erik; Sinclair, Allan 7 1989 Generators of semigroups of completely positive maps. Zbl 0389.47022Christensen, Erik 6 1978 Similarities of \(\text{II}_1\) factors with property \(\Gamma\). Zbl 1111.46306Christensen, Erik 5 1986 Non commutative integration for monotone sequentially closed C\(^*\)- algebras. Zbl 0252.46064Christensen, Erik 5 1972 Kadison-Kastler stable factors. Zbl 1314.46069Cameron, Jan; Christensen, Erik; Sinclair, Allan M.; Smith, Roger R.; White, Stuart; Wiggins, Alan D. 5 2014 The spatial isomorphism problem for close separable nuclear \(C^*\)-algebras. Zbl 1206.46045Christensen, Erik; Sinclair, Allan M.; Smith, Roger R.; White, Stuart A.; Winter, Wilhelm 5 2010 Extensions and degenerations of spectral triples. Zbl 1188.46045Christensen, Erik; Ivan, Cristina 4 2009 Two generalizations of the Gleason-Kahane-Żelazko theorem. Zbl 0868.46038Christensen, Erik 4 1997 Commutants of nest algebras modulo the compact operators. Zbl 0419.47017Christensen, Erik; Peligrad, Costel 4 1980 On invertibility preserving linear mappings, simultaneous triangularization and property \(L\). Zbl 0948.15013Christensen, Erik 4 1999 On the complete boundedness of the Schur block product. Zbl 1442.15041Christensen, Erik 3 2019 Derivations and their relation to perturbations of operator algebras. Zbl 0535.46035Christensen, Erik 3 1982 A cohomological characterization of approximately finite dimensional von Neumann algebras. Zbl 0912.46060Christensen, Erik; Sinclair, Allan M. 3 1997 Properly infinite \(AW^*\)-algebras are monotone sequentially complete. Zbl 0521.46052Christensen, Erik; Pedersen, Gert K. 2 1984 A remark on the similarity and perturbation problems. Zbl 1300.46045Cameron, Jan; Christensen, Erik; Sinclair, Allan M.; Smith, Roger R.; White, Stuart; Wiggins, Alan D. 2 2013 On weakly \(D\)-differentiable operators. Zbl 1359.37147Christensen, Erik 2 2016 On some problems studied by R. V. Kadison. Zbl 1044.46045Christensen, Erik 1 2003 Von Neumann algebras as complemented subspaces of \(B(\mathcal H)\). Zbl 1320.46044Christensen, Erik; Wang, Liguang 1 2014 The \(C^*\)-algebra of generalized compacts associated with a von Neumann algebra. Zbl 0663.46051Christensen, Erik 1 1987 Higher weak derivatives and reflexive algebras of operators. Zbl 1366.46053Christensen, Erik 1 2016 On the complete boundedness of the Schur block product. Zbl 1442.15041Christensen, Erik 3 2019 On weakly \(D\)-differentiable operators. Zbl 1359.37147Christensen, Erik 2 2016 Higher weak derivatives and reflexive algebras of operators. Zbl 1366.46053Christensen, Erik 1 2016 Kadison-Kastler stable factors. Zbl 1314.46069Cameron, Jan; Christensen, Erik; Sinclair, Allan M.; Smith, Roger R.; White, Stuart; Wiggins, Alan D. 5 2014 Von Neumann algebras as complemented subspaces of \(B(\mathcal H)\). Zbl 1320.46044Christensen, Erik; Wang, Liguang 1 2014 A remark on the similarity and perturbation problems. Zbl 1300.46045Cameron, Jan; Christensen, Erik; Sinclair, Allan M.; Smith, Roger R.; White, Stuart; Wiggins, Alan D. 2 2013 Perturbations of nuclear \(C^*\)-algebras. Zbl 1252.46047Christensen, Erik; Sinclair, Allan M.; Smith, Roger R.; White, Stuart A.; Winter, Wilhelm 14 2012 Spectral triples and the geometry of fractals. Zbl 1244.28010Christensen, Erik; Ivan, Cristina; Schrohe, Elmar 13 2012 Perturbations of \(C^*\)-algebraic invariants. Zbl 1205.46036Christensen, Erik; Sinclair, Allan; Smith, Roger R.; White, Stuart 9 2010 The spatial isomorphism problem for close separable nuclear \(C^*\)-algebras. Zbl 1206.46045Christensen, Erik; Sinclair, Allan M.; Smith, Roger R.; White, Stuart A.; Winter, Wilhelm 5 2010 Extensions and degenerations of spectral triples. Zbl 1188.46045Christensen, Erik; Ivan, Cristina 4 2009 Dirac operators and spectral triples for some fractal sets built on curves. Zbl 1133.28002Christensen, Erik; Ivan, Cristina; Lapidus, Michel L. 30 2008 Sums of two-dimensional spectral triples. Zbl 1155.58003Christensen, Erik; Ivan, Cristina 13 2007 Spectral triples for AF \(C^{\ast}\)-algebras and metrics on the Cantor set. Zbl 1111.46052Christensen, Erik; Ivan, Cristina 41 2006 Metrics on group \(C^{*}\)-algebras and a non-commutative Arzelà-Ascoli theorem. Zbl 1063.46059Antonescu, Cristina; Christensen, Erik 12 2004 Hochschild cohomology of factors with property \(\Gamma\). Zbl 1048.46051Christensen, Erik; Pop, Florin; Sinclair, Allan M.; Smith, Roger R. 9 2003 On some problems studied by R. V. Kadison. Zbl 1044.46045Christensen, Erik 1 2003 Finite von Neumann algebra factors with property \(\Gamma\). Zbl 1020.46017Christensen, Erik 11 2001 On invertibility preserving linear mappings, simultaneous triangularization and property \(L\). Zbl 0948.15013Christensen, Erik 4 1999 On the cohomology groups of certain finite von Neumann algebras. Zbl 0887.46043Christensen, Erik; Pop, Florin; Sinclair, Allan M.; Smith, Roger R. 8 1997 Two generalizations of the Gleason-Kahane-Żelazko theorem. Zbl 0868.46038Christensen, Erik 4 1997 A cohomological characterization of approximately finite dimensional von Neumann algebras. Zbl 0912.46060Christensen, Erik; Sinclair, Allan M. 3 1997 Module mappings into von Neumann algebras and injectivity. Zbl 0958.46030Christensen, Erik; Sinclair, Allan M. 11 1995 On von Neumann algebras which are complemented subspaces of \(B(H)\). Zbl 0817.46059Christensen, Erik; Sinclair, Allan M. 17 1994 A survey of completely bounded operators. Zbl 0698.46044Christensen, Erik; Sinclair, Allan M. 22 1989 On the vanishing of \(H^ n(\mathcal A,\mathcal A^*)\) for certain \(C^*\)- algebras. Zbl 0685.46044Christensen, Erik; Sinclair, Allan M. 9 1989 Completely bounded isomorphisms of injective von Neuman algebras. Zbl 0651.46059Christensen, Erik; Sinclair, Allan 7 1989 Completely bounded multilinear maps and \(C^ *\)-algebraic cohomology. Zbl 0646.46052Christensen, Erik; Effros, Edward G.; Sinclair, Allan 49 1987 Representations of completely bounded multilinear operators. Zbl 0622.46040Christensen, Erik; Sinclair, Allan M. 48 1987 The \(C^*\)-algebra of generalized compacts associated with a von Neumann algebra. Zbl 0663.46051Christensen, Erik 1 1987 Similarities of \(\text{II}_1\) factors with property \(\Gamma\). Zbl 1111.46306Christensen, Erik 5 1986 Properly infinite \(AW^*\)-algebras are monotone sequentially complete. Zbl 0521.46052Christensen, Erik; Pedersen, Gert K. 2 1984 Completely order isomorphic and close \(C^*\)-algebras need not be \({}^*\)-isomorphic. Zbl 0541.46046Choi, Man-Duen; Christensen, Erik 14 1983 Extensions of derivations. II. Zbl 0503.47032Christensen, Erik 61 1982 Measures on projections and physical states. Zbl 0507.46052Christensen, Erik 37 1982 Derivations and their relation to perturbations of operator algebras. Zbl 0535.46035Christensen, Erik 3 1982 On non self-adjoint representations of C*-algebras. Zbl 0498.46042Christensen, Erik 17 1981 Near inclusions of C*-algebras. Zbl 0469.46044Christensen, Erik 26 1980 Commutants of nest algebras modulo the compact operators. Zbl 0419.47017Christensen, Erik; Peligrad, Costel 4 1980 Subalgebras of a finite algebra. Zbl 0393.46049Christensen, Erik 74 1979 Cohomology of operator algebras and quantum dynamical semigroups. Zbl 0448.46040Christensen, Erik; Evans, David E. 46 1979 Extension of derivations. Zbl 0367.46059Christensen, Erik 18 1978 Generators of semigroups of completely positive maps. Zbl 0389.47022Christensen, Erik 6 1978 Derivations of nest algebras. Zbl 0356.46057Christensen, Erik 64 1977 Perturbations of operator algebras. II. Zbl 0395.46045Christensen, Erik 29 1977 Perturbation of operator algebras. Zbl 0366.46050Christensen, Erik 21 1977 Perturbations of type I von Neumann algebras. Zbl 0319.46052Christensen, Erik 18 1975 Non commutative integration for monotone sequentially closed C\(^*\)- algebras. Zbl 0252.46064Christensen, Erik 5 1972 all cited Publications top 5 cited Publications all top 5 Cited by 578 Authors 17 Christensen, Erik 17 Smith, Roger R. 13 Blecher, David P. 13 Sinclair, Allan M. 10 Hou, Jinchuan 9 White, Stuart Andrew 8 Heo, Jaeseong 8 Pisier, Gilles 7 Davidson, Kenneth R. 7 Guido, Daniele 7 Isola, Tommaso 7 Le Merdy, Christian 7 Popa, Sorin Teodor 7 Wright, John David Maitland 7 Wu, Wei 6 Bunce, Leslie J. 6 Hamhalter, Jan 6 Julien, Antoine 6 Lapidus, Michel L. 6 Li, Jiankui 6 Long, Botao 6 Pop, Florin 6 Qi, Xiaofei 6 Skeide, Michael 6 Zhang, Jianhua 5 Goswami, Debashish 5 Hadwin, Donald W. 5 Latrémolière, Frédéric 5 Ruan, Zhongjin 5 Skalski, Adam G. 4 Aiello, Valeriano 4 Bhowmick, Jyotishman 4 Evans, David E. 4 Farsi, Carla 4 Gilfeather, Frank L. 4 Haagerup, Uffe Valentin 4 Liebscher, Volkmar 4 Magajna, Bojan 4 Paulsen, Vern Ival 4 Roydor, Jean 4 Savinien, Jean 4 Taghavi Jelodar, Ali 4 Todorov, Ivan G. 4 Vignati, Alessandro 4 Wang, Liguang 4 Winter, Wilhelm 3 Ashraf, Mohammad 3 Bhat, B. V. Rajarama 3 Bratteli, Ola 3 Cameron, Jan M. 3 Cheng, Changjun 3 Conti, Roberto 3 Effros, Edward George 3 Ghahramani, Hoger 3 Gillaspy, Elizabeth 3 Han, Deguang 3 Helemskii, Alexander Ya. 3 Kang, Sooran 3 Kishimoto, Akitaka 3 Larson, David Royal 3 Lindsay, J. Martin 3 Lykova, Zinaida A. 3 Marcolli, Matilde 3 Martinetti, Pierre 3 Niestegge, Gerd 3 Packer, Judith A. 3 Pham, Duc Chinh 3 Pitts, David R. 3 Razeghi, Mehran 3 Samuel, Tony 3 Sauvageot, Jean-Luc 3 Šemrl, Peter 3 Sherstnev, Anatolij N. 3 Sukochev, Fedor Anatol’evich 3 Turowska, Lyudmila B. 3 Ylinen, Kari 3 Zacharias, Joachim 2 Aguilar, Konrad 2 Akhtar, Mohd Shuaib 2 An, Runling 2 Androulakis, George 2 Ara, Pere 2 Arunachalam, Srinivasan 2 Barchielli, Alberto 2 Ber, Aleksey Feliksovich 2 Briët, Jop 2 Buryachenko, Valeriy A. 2 Cao, Huaixin 2 Chang, Mouhsiung 2 Chao, Ching-Kong 2 Costara, Constantin 2 Crann, Jason 2 Crisp, Tyrone 2 Darvish, Vahid 2 Das, Sayan Kumar 2 Daws, Matthew 2 Dong, Zhe 2 Dvurečenskij, Anatolij 2 Fang, Junsheng 2 Farhadi, Hamid-Reza ...and 478 more Authors all top 5 Cited in 142 Serials 81 Journal of Functional Analysis 26 Proceedings of the American Mathematical Society 21 Acta Mechanica 19 International Journal of Solids and Structures 17 Communications in Mathematical Physics 15 International Journal of Mathematics 15 Linear Algebra and its Applications 13 Journal of Mathematical Analysis and Applications 11 Advances in Mathematics 11 Acta Mathematica Sinica. English Series 10 Journal of Mathematical Physics 10 Linear and Multilinear Algebra 10 Integral Equations and Operator Theory 10 Transactions of the American Mathematical Society 9 International Journal of Theoretical Physics 8 Proceedings of the Edinburgh Mathematical Society. Series II 8 Applied Mathematics and Mechanics. (English Edition) 8 Journal of Elasticity 6 Israel Journal of Mathematics 6 Rocky Mountain Journal of Mathematics 6 ZAMP. Zeitschrift für angewandte Mathematik und Physik 6 Journal of Soviet Mathematics 6 Infinite Dimensional Analysis, Quantum Probability and Related Topics 6 Foundations of Physics 6 Journal of Noncommutative Geometry 5 Journal of Geometry and Physics 5 Inventiones Mathematicae 5 Mathematische Annalen 5 Publications of the Research Institute for Mathematical Sciences, Kyoto University 5 Ergodic Theory and Dynamical Systems 5 Computational Mechanics 5 Proceedings of the National Academy of Sciences of the United States of America 4 Bulletin of the Australian Mathematical Society 4 Mathematical Proceedings of the Cambridge Philosophical Society 4 Studia Mathematica 4 Duke Mathematical Journal 4 Mediterranean Journal of Mathematics 4 Science China. Mathematics 3 Letters in Mathematical Physics 3 Mathematical Notes 3 Annales de l’Institut Fourier 3 Archive of Applied Mechanics 3 Mathematical Physics, Analysis and Geometry 3 Annales Henri Poincaré 3 Journal of the Australian Mathematical Society 2 Communications in Algebra 2 Ingenieur-Archiv 2 Indian Journal of Pure & Applied Mathematics 2 Theoretical and Mathematical Physics 2 Reviews in Mathematical Physics 2 Acta Mathematica 2 Journal of Pure and Applied Algebra 2 Mathematica Scandinavica 2 Memoirs of the American Mathematical Society 2 Rendiconti del Circolo Matemàtico di Palermo. Serie II 2 Results in Mathematics 2 Siberian Mathematical Journal 2 Tôhoku Mathematical Journal. Second Series 2 Stochastic Analysis and Applications 2 Annales de l’Institut Henri Poincaré. Physique Théorique 2 International Applied Mechanics 2 Journal of Mathematical Sciences (New York) 2 Discrete and Continuous Dynamical Systems 2 Mathematical Problems in Engineering 2 Journal of Shanghai University 2 International Journal of Geometric Methods in Modern Physics 2 Banach Journal of Mathematical Analysis 2 Advances in Mathematical Physics 2 Journal of Fractal Geometry 1 Archive for Rational Mechanics and Analysis 1 Discrete Mathematics 1 General Relativity and Gravitation 1 International Journal of Heat and Mass Transfer 1 Journal of Statistical Physics 1 Annali di Matematica Pura ed Applicata. Serie Quarta 1 Annales Scientifiques de l’École Normale Supérieure. Quatrième Série 1 Archiv der Mathematik 1 Bulletin of the London Mathematical Society 1 Bulletin de la Société Mathématique de France 1 Canadian Journal of Mathematics 1 Compositio Mathematica 1 International Journal of Mathematics and Mathematical Sciences 1 Journal of Algebra 1 Journal of the London Mathematical Society. Second Series 1 Journal für die Reine und Angewandte Mathematik 1 The Journal of Symbolic Logic 1 Kyungpook Mathematical Journal 1 Mathematische Nachrichten 1 Mathematica Slovaca 1 Mathematische Zeitschrift 1 Monatshefte für Mathematik 1 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 1 Pacific Journal of Mathematics 1 Ricerche di Matematica 1 SIAM Journal on Computing 1 Topology and its Applications 1 Rendiconti di Matematica e delle sue Applicazioni. Serie VII 1 Bulletin of the Korean Mathematical Society 1 Acta Mathematica Hungarica 1 Acta Applicandae Mathematicae ...and 42 more Serials all top 5 Cited in 50 Fields 364 Functional analysis (46-XX) 176 Operator theory (47-XX) 87 Mechanics of deformable solids (74-XX) 73 Quantum theory (81-XX) 38 Global analysis, analysis on manifolds (58-XX) 33 Associative rings and algebras (16-XX) 20 Measure and integration (28-XX) 17 Topological groups, Lie groups (22-XX) 16 Probability theory and stochastic processes (60-XX) 15 Dynamical systems and ergodic theory (37-XX) 14 Abstract harmonic analysis (43-XX) 12 Mathematical logic and foundations (03-XX) 12 Linear and multilinear algebra; matrix theory (15-XX) 11 Differential geometry (53-XX) 9 Nonassociative rings and algebras (17-XX) 9 Statistical mechanics, structure of matter (82-XX) 8 Order, lattices, ordered algebraic structures (06-XX) 8 Partial differential equations (35-XX) 7 \(K\)-theory (19-XX) 7 Group theory and generalizations (20-XX) 7 General topology (54-XX) 6 Number theory (11-XX) 6 Category theory; homological algebra (18-XX) 5 Functions of a complex variable (30-XX) 5 Integral equations (45-XX) 5 Convex and discrete geometry (52-XX) 4 Combinatorics (05-XX) 4 Computer science (68-XX) 4 Classical thermodynamics, heat transfer (80-XX) 3 Ordinary differential equations (34-XX) 3 Harmonic analysis on Euclidean spaces (42-XX) 3 Fluid mechanics (76-XX) 3 Relativity and gravitational theory (83-XX) 2 General and overarching topics; collections (00-XX) 2 History and biography (01-XX) 2 Real functions (26-XX) 2 Potential theory (31-XX) 2 Difference and functional equations (39-XX) 2 Approximations and expansions (41-XX) 2 Integral transforms, operational calculus (44-XX) 2 Calculus of variations and optimal control; optimization (49-XX) 2 Mechanics of particles and systems (70-XX) 2 Biology and other natural sciences (92-XX) 2 Information and communication theory, circuits (94-XX) 1 Commutative algebra (13-XX) 1 Sequences, series, summability (40-XX) 1 Geometry (51-XX) 1 Algebraic topology (55-XX) 1 Numerical analysis (65-XX) 1 Systems theory; control (93-XX) Citations by Year