Edit Profile (opens in new tab) Enflo, Per H. Compute Distance To: Compute Author ID: enflo.per-h Published as: Enflo, Per; Enflo, P.; Enflo, Per H. External Links: MGP · Wikidata · GND Documents Indexed: 49 Publications since 1969 Co-Authors: 34 Co-Authors with 28 Joint Publications 1,119 Co-Co-Authors all top 5 Co-Authors 20 single-authored 5 Beauzamy, Bernard 3 Gurariĭ, Vladimir Il’ich 3 Seoane-Sepúlveda, Juan Benigno 2 Aron, Richard Martin 2 Davis, William Jay 2 Khazafi, Khadija 2 Lomonosov, Victor I. 2 Rueda, Norma G. 2 Smithies, Laura 1 Alspach, Dale E. 1 Androulakis, George 1 Araújo, Gustavo da Silva 1 Bombieri, Enrico 1 Curbera, Guillermo P. 1 Dineen, Seán 1 Downey, Larry 1 Fenta, Aderaw 1 Granville, Andrew James 1 Hill, Terje 1 Kover, Janice 1 Lindenstrauss, Joram 1 Lyubich, Yuriĭ Il’ich 1 Milman, Vitali D. 1 Montgomery, Hugh Lowell 1 Moslehian, Mohammad Sal 1 Odell, Edward 1 Pisier, Gilles 1 Rodriguez-Vidanes, Daniel L. 1 Rosenthal, Haskell P. 1 Shallit, Jeffrey O. 1 Smith, Tabrina M. 1 Starbird, T. W. 1 Wang, Paul S. 1 Yu, Sheng all top 5 Serials 5 Arkiv för Matematik 4 Israel Journal of Mathematics 3 Linear Algebra and its Applications 2 Studia Mathematica 2 Acta Mathematica 2 Journal of Functional Analysis 2 Journal of Number Theory 2 Mathematica Scandinavica 2 Proceedings of the American Mathematical Society 2 Quaestiones Mathematicae 2 Transactions of the American Mathematical Society 1 Discrete Applied Mathematics 1 Mathematics Magazine 1 Control and Cybernetics 1 Journal of Approximation Theory 1 Journal of Global Optimization 1 Notices of the American Mathematical Society 1 Banach Journal of Mathematical Analysis all top 5 Fields 23 Operator theory (47-XX) 20 Functional analysis (46-XX) 4 Topological groups, Lie groups (22-XX) 4 Functions of a complex variable (30-XX) 3 History and biography (01-XX) 3 Number theory (11-XX) 3 Real functions (26-XX) 3 Approximations and expansions (41-XX) 2 Field theory and polynomials (12-XX) 2 Computer science (68-XX) 2 Operations research, mathematical programming (90-XX) 1 Linear and multilinear algebra; matrix theory (15-XX) 1 Several complex variables and analytic spaces (32-XX) 1 Difference and functional equations (39-XX) 1 Calculus of variations and optimal control; optimization (49-XX) 1 General topology (54-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 44 Publications have been cited 721 times in 616 Documents Cited by ▼ Year ▼ A counterexample to the approximation problem in Banach spaces. Zbl 0267.46012Enflo, Per 136 1973 On the invariant subspace problem for Banach spaces. Zbl 0663.47003Enflo, Per 59 1987 Some results and open questions on spaceability in function spaces. Zbl 1297.46022Enflo, Per H.; Gurariy, Vladimir I.; Seoane-Sepúlveda, Juan B. 58 2014 On the nonexistence of uniform homeomorphisms between \(L^ p\)-spaces. Zbl 0196.14002Enflo, P. 51 1970 Banach spaces which can be given an equivalent uniformly convex norm. Proc. internat. Sympos. partial diff. Equ. Geometry normed lin. Spaces II. Zbl 0259.46012Enflo, Per 50 1973 On a problem of Smirnov. Zbl 0196.14003Enflo, P. 43 1970 On the ’three space problem’. Zbl 0314.46015Enflo, Per; Lindenstrauss, Joram; Pisier, Gilles 39 1975 Products of polynomials in many variables. Zbl 0729.30004Beauzamy, Bernard; Bombieri, Enrico; Enflo, Per; Montgomery, Hugh L. 35 1990 Subspaces of \(L^1\) containing \(L^1\). Zbl 0433.46027Enflo, P.; Starbird, T. W. 22 1979 Uniform structures and square roots in topological groups. II. Zbl 0214.28501Enflo, P. 21 1970 Extremal vectors and invariant subspaces. Zbl 0888.47002Ansari, Shamim; Enflo, Per 21 1998 On the structure of separable \(L_p\) spaces \((1<p<\infty)\). Zbl 0343.46017Alspach, D.; Enflo, P.; Odell, E. 18 1977 On the invariant subspace problem in Banach spaces. Zbl 0341.46016Enflo, P. 14 1976 Uniform structures and square roots in topological groups. I. Zbl 0214.28402Enflo, P. 13 1970 Estimations de produits de polynômes. (Estimates of products of polynomials). Zbl 0578.30004Beauzamy, B.; Enflo, P. 13 1985 Some results concerning L\(^p(\mu)\)-spaces. Zbl 0265.46032Enflo, Per; Rosenthal, Haskell P. 13 1973 Sufficiency and duality for multiobjective control problems under generalized \((B, \rho )\)-type I functions. Zbl 1183.49019Khazafi, Khadija; Rueda, Norma; Enflo, Per 10 2010 Théorème de point fixe et d’approximation. (Fixed point and approximation theorem). Zbl 0608.47061Beauzamy, B.; Enflo, P. 10 1985 Polynomials in many variables: Real vs complex norms. Zbl 0827.32001Aron, Richard; Beauzamy, Bernard; Enflo, Per 9 1993 Some aspects of the invariant subspace problem. Zbl 1026.47004Enflo, P.; Lomonosov, V. 9 2001 Extremal vectors for a class of linear operators. Zbl 0922.47001Enflo, Per 7 1998 On infinite-dimensional topological groups. Zbl 0395.22001Enflo, P. 7 1978 Contractive projections on \(\ell _ p\) spaces. Zbl 0696.46015Davis, William J.; Enflo, Per 6 1989 Denseness for norm attaining operator-valued functions. Zbl 1015.47006Enflo, Per; Kover, Janice; Smithies, Laura 6 2001 Contractive projections onto subsets of \(L^ p\)-spaces. Zbl 0769.46017Enflo, Per 5 1992 Topological groups in which multiplication on one side is differentiable or linear. Zbl 0205.32801Enflo, P. 5 1969 A counterexample to the approximation problem in Banach spaces. Zbl 0286.46021Enflo, Per 5 1974 Uniform homeomorphisms between Banach spaces. Zbl 0341.46009Enflo, P. 5 1976 On Montgomery’s conjecture and the distribution of Dirichlet sums. Zbl 1385.11058Enflo, Per H.; Gurariy, Vladimir I.; Seoane-Sepúlveda, Juan B. 4 2014 Some results on extremal vectors and invariant subspaces. Zbl 1043.47007Enflo, Per; Hõim, Terje 3 2003 A Banach space with basis constant \(>1\). Zbl 0267.46011Enflo, Per 3 1973 The distance of symmetric spaces from \(\ell_p^{(n)}\). Zbl 0362.46019Davis, W.; Enflo, P. 3 1977 Quantitative and qualitative estimates on the norm of products of polynomials. Zbl 1447.46031Araújo, Gustavo; Enflo, Per H.; Muñoz-Fernández, Gustavo A.; Rodríguez-Vidanes, Daniel L.; Seoane-Sepúlveda, Juan B. 3 2020 Harnack’s theorem for harmonic compact operator-valued functions. Zbl 1015.47005Enflo, Per; Smithies, Laura 3 2001 Exponential numbers of linear operators in normed spaces. Zbl 0836.47016Enflo, P.; Gurarii, V. I.; Lomonosov, V.; Lyubich, Yu. I. 2 1995 Some problems in the interface between number theory, harmonic analysis and geometry of Euclidean space. Zbl 0845.11031Enflo, Per 2 1995 Operators with eigenvalues and extreme cases of stability. Zbl 1063.47009Downey, Larry; Enflo, Per 1 2004 On sparse languages \(L\) such that \(LL= \Sigma^*\). Zbl 0813.68124Enflo, Per; Granville, Andrew; Shallit, Jeffrey; Yu, Sheng 1 1994 Contractive projections onto subsets of \(L^ 1(0,1)\). Zbl 0674.47015Enflo, Per 1 1989 Quantitative estimates for polynomials in one or several variables. Zbl 0834.12001Beauzamy, Bernard; Enflo, Per; Wang, Paul 1 1994 A property of strictly singular one-to-one operators. Zbl 1077.47019Androulakis, George; Enflo, Per 1 2003 Recent results on general Banach spaces. Zbl 0339.46009Enflo, Per 1 1975 An interview with Themistocles M. Rassias. Zbl 1175.01074Enflo, Per; Moslehian, Mohammad Sal 1 2007 Tribute to Joe Diestel (1943–2017). Zbl 1398.01023Aron, Richard; Dineen, Seán; Milman, Vitali; Enflo, Per; Curbera, Guillermo P. 1 2018 Quantitative and qualitative estimates on the norm of products of polynomials. Zbl 1447.46031Araújo, Gustavo; Enflo, Per H.; Muñoz-Fernández, Gustavo A.; Rodríguez-Vidanes, Daniel L.; Seoane-Sepúlveda, Juan B. 3 2020 Tribute to Joe Diestel (1943–2017). Zbl 1398.01023Aron, Richard; Dineen, Seán; Milman, Vitali; Enflo, Per; Curbera, Guillermo P. 1 2018 Some results and open questions on spaceability in function spaces. Zbl 1297.46022Enflo, Per H.; Gurariy, Vladimir I.; Seoane-Sepúlveda, Juan B. 58 2014 On Montgomery’s conjecture and the distribution of Dirichlet sums. Zbl 1385.11058Enflo, Per H.; Gurariy, Vladimir I.; Seoane-Sepúlveda, Juan B. 4 2014 Sufficiency and duality for multiobjective control problems under generalized \((B, \rho )\)-type I functions. Zbl 1183.49019Khazafi, Khadija; Rueda, Norma; Enflo, Per 10 2010 An interview with Themistocles M. Rassias. Zbl 1175.01074Enflo, Per; Moslehian, Mohammad Sal 1 2007 Operators with eigenvalues and extreme cases of stability. Zbl 1063.47009Downey, Larry; Enflo, Per 1 2004 Some results on extremal vectors and invariant subspaces. Zbl 1043.47007Enflo, Per; Hõim, Terje 3 2003 A property of strictly singular one-to-one operators. Zbl 1077.47019Androulakis, George; Enflo, Per 1 2003 Some aspects of the invariant subspace problem. Zbl 1026.47004Enflo, P.; Lomonosov, V. 9 2001 Denseness for norm attaining operator-valued functions. Zbl 1015.47006Enflo, Per; Kover, Janice; Smithies, Laura 6 2001 Harnack’s theorem for harmonic compact operator-valued functions. Zbl 1015.47005Enflo, Per; Smithies, Laura 3 2001 Extremal vectors and invariant subspaces. Zbl 0888.47002Ansari, Shamim; Enflo, Per 21 1998 Extremal vectors for a class of linear operators. Zbl 0922.47001Enflo, Per 7 1998 Exponential numbers of linear operators in normed spaces. Zbl 0836.47016Enflo, P.; Gurarii, V. I.; Lomonosov, V.; Lyubich, Yu. I. 2 1995 Some problems in the interface between number theory, harmonic analysis and geometry of Euclidean space. Zbl 0845.11031Enflo, Per 2 1995 On sparse languages \(L\) such that \(LL= \Sigma^*\). Zbl 0813.68124Enflo, Per; Granville, Andrew; Shallit, Jeffrey; Yu, Sheng 1 1994 Quantitative estimates for polynomials in one or several variables. Zbl 0834.12001Beauzamy, Bernard; Enflo, Per; Wang, Paul 1 1994 Polynomials in many variables: Real vs complex norms. Zbl 0827.32001Aron, Richard; Beauzamy, Bernard; Enflo, Per 9 1993 Contractive projections onto subsets of \(L^ p\)-spaces. Zbl 0769.46017Enflo, Per 5 1992 Products of polynomials in many variables. Zbl 0729.30004Beauzamy, Bernard; Bombieri, Enrico; Enflo, Per; Montgomery, Hugh L. 35 1990 Contractive projections on \(\ell _ p\) spaces. Zbl 0696.46015Davis, William J.; Enflo, Per 6 1989 Contractive projections onto subsets of \(L^ 1(0,1)\). Zbl 0674.47015Enflo, Per 1 1989 On the invariant subspace problem for Banach spaces. Zbl 0663.47003Enflo, Per 59 1987 Estimations de produits de polynômes. (Estimates of products of polynomials). Zbl 0578.30004Beauzamy, B.; Enflo, P. 13 1985 Théorème de point fixe et d’approximation. (Fixed point and approximation theorem). Zbl 0608.47061Beauzamy, B.; Enflo, P. 10 1985 Subspaces of \(L^1\) containing \(L^1\). Zbl 0433.46027Enflo, P.; Starbird, T. W. 22 1979 On infinite-dimensional topological groups. Zbl 0395.22001Enflo, P. 7 1978 On the structure of separable \(L_p\) spaces \((1<p<\infty)\). Zbl 0343.46017Alspach, D.; Enflo, P.; Odell, E. 18 1977 The distance of symmetric spaces from \(\ell_p^{(n)}\). Zbl 0362.46019Davis, W.; Enflo, P. 3 1977 On the invariant subspace problem in Banach spaces. Zbl 0341.46016Enflo, P. 14 1976 Uniform homeomorphisms between Banach spaces. Zbl 0341.46009Enflo, P. 5 1976 On the ’three space problem’. Zbl 0314.46015Enflo, Per; Lindenstrauss, Joram; Pisier, Gilles 39 1975 Recent results on general Banach spaces. Zbl 0339.46009Enflo, Per 1 1975 A counterexample to the approximation problem in Banach spaces. Zbl 0286.46021Enflo, Per 5 1974 A counterexample to the approximation problem in Banach spaces. Zbl 0267.46012Enflo, Per 136 1973 Banach spaces which can be given an equivalent uniformly convex norm. Proc. internat. Sympos. partial diff. Equ. Geometry normed lin. Spaces II. Zbl 0259.46012Enflo, Per 50 1973 Some results concerning L\(^p(\mu)\)-spaces. Zbl 0265.46032Enflo, Per; Rosenthal, Haskell P. 13 1973 A Banach space with basis constant \(>1\). Zbl 0267.46011Enflo, Per 3 1973 On the nonexistence of uniform homeomorphisms between \(L^ p\)-spaces. Zbl 0196.14002Enflo, P. 51 1970 On a problem of Smirnov. Zbl 0196.14003Enflo, P. 43 1970 Uniform structures and square roots in topological groups. II. Zbl 0214.28501Enflo, P. 21 1970 Uniform structures and square roots in topological groups. I. Zbl 0214.28402Enflo, P. 13 1970 Topological groups in which multiplication on one side is differentiable or linear. Zbl 0205.32801Enflo, P. 5 1969 all cited Publications top 5 cited Publications all top 5 Cited by 703 Authors 44 Seoane-Sepúlveda, Juan Benigno 20 Naor, Assaf 17 Bernal-Gonzàlez, Luis 14 Johnson, William Buhmann 12 Schechtman, Gideon 12 Weston, Anthony 11 Castillo, Jesús M. F. 11 Enflo, Per H. 9 Godefroy, Gilles 9 Muñoz-Fernández, Gustavo Adolfo 8 Beauzamy, Bernard 8 Cabello Sánchez, Félix 8 Jiménez-Rodríguez, Pablo 8 Rodriguez-Vidanes, Daniel L. 7 Fernández-Sánchez, Juan 7 Lindenstrauss, Joram 6 Antczak, Tadeusz 6 Kalton, Nigel John 6 Ramesh, Golla 6 Zizler, Vaclav E. 5 Bourgain, Jean 5 Brudnyi, Alexander 5 Ciesielski, Krzysztof Chris 5 Doust, Ian 5 Figiel, Tadeusz 5 Jung, Il Bong 5 Ko, Eungil 5 Maghsoudi, Saeid 5 Odell, Edward 5 Pearcy, Carl Mark Jr. 5 Pellegrino, Daniel Marinho 5 Pinasco, Damián 5 Reinov, Oleg I. 5 Rosenthal, Haskell P. 5 Schlumprecht, Thomas 4 Aharoni, Israel 4 Calderón-Moreno, María del Carmen 4 Cheng, Lixin 4 Cheng, Qingjin 4 Conejero, José Alberto 4 Corrêa, Willian Hans Goes 4 Gámez-Merino, José Luis 4 Hájek, Petr 4 Jayswal, Anurag 4 Mendel, Manor 4 Milman, Vitali D. 4 Ostrovskii, Mikhail Iosifovich 4 Pisier, Gilles 4 Radjavi, Heydar 4 Sánchez, Stephen 4 Terenzi, Paolo 3 Albiac, Fernando 3 Außenhofer, Lydia 3 Berg, I. David 3 Casazza, Peter George 3 Chalendar, Isabelle 3 Chasco, María Jesús 3 Deville, Robert 3 Dikranjan, Dikran N. 3 Domínguez, Xabier 3 Ferenczi, Valentin 3 Gallardo-Gutiérrez, Eva Antonia 3 García, Ricardo 3 Grivaux, Sophie 3 Haroske, Dorothee D. 3 Jha, Shalini 3 Khodabandehlou, J. 3 Lacruz, Miguel 3 Lancien, Gilles 3 Lassalle, Silvia 3 Lechner, Richard 3 Martínez-Gómez, Maria E. 3 Matoušek, Jiří 3 Menet, Quentin 3 Mityagin, Boris Samuilovich 3 Müller, Paul F. X. 3 Nikolaev, Igor Georgievich 3 Oja, Eve 3 Partington, Jonathan R. 3 Popov, Mykhaĭlo Mykhaĭlovych 3 Puglisi, Daniele 3 Retherford, James R. 3 Ribe, M. 3 Rosenthal, Peter 3 Ruiz, César 3 Sánchez, Víctor M. 3 Selivanov, Yuriĭ Vasil’evich 3 Sirotkin, Gleb G. 3 Skrzypczak, Leszek 3 Suárez de la Fuente, Jesús 3 Tcaciuc, Adi 3 Troitsky, Vladimir G. 3 Trutschnig, Wolfgang 3 Turco, Pablo 3 Tylli, Hans-Olav 3 Tzafriri, Lior 3 Zalduendo, Ignacio M. 2 Aksoy, Asuman Güven 2 Albanese, Angela Anna 2 Aliaga, Ramón J. ...and 603 more Authors all top 5 Cited in 173 Serials 66 Journal of Mathematical Analysis and Applications 52 Israel Journal of Mathematics 32 Journal of Functional Analysis 32 Proceedings of the American Mathematical Society 29 Transactions of the American Mathematical Society 18 Mathematische Annalen 15 Linear Algebra and its Applications 11 Acta Mathematica 10 Archiv der Mathematik 10 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM 8 Journal of Approximation Theory 8 Bulletin of the American Mathematical Society 7 Bulletin of the Australian Mathematical Society 7 Advances in Mathematics 7 Quaestiones Mathematicae 7 Topology and its Applications 7 Positivity 6 Studia Mathematica 6 Integral Equations and Operator Theory 6 Mathematische Zeitschrift 5 Rocky Mountain Journal of Mathematics 5 Mathematische Nachrichten 4 Annales de l’Institut Fourier 4 Annali di Matematica Pura ed Applicata. Serie Quarta 4 Compositio Mathematica 4 Duke Mathematical Journal 4 Geometriae Dedicata 4 Journal of the American Mathematical Society 4 Geometric and Functional Analysis. GAFA 4 Bulletin of the American Mathematical Society. New Series 4 Turkish Journal of Mathematics 4 Acta Mathematica Sinica. English Series 4 Banach Journal of Mathematical Analysis 3 Mathematical Notes 3 Arkiv för Matematik 3 Functional Analysis and its Applications 3 Inventiones Mathematicae 3 Journal of Differential Equations 3 Monatshefte für Mathematik 3 Rendiconti del Circolo Matemàtico di Palermo. Serie II 3 Rendiconti del Seminario Matemàtico e Fisico di Milano 3 Revista Matemática Iberoamericana 3 Expositiones Mathematicae 3 Journal of the Australian Mathematical Society 3 Mediterranean Journal of Mathematics 3 Open Mathematics 2 Analysis Mathematica 2 Computers & Mathematics with Applications 2 Journal of Mathematical Physics 2 Linear and Multilinear Algebra 2 Annales Scientifiques de l’École Normale Supérieure. Quatrième Série 2 Applied Mathematics and Computation 2 Bulletin of the London Mathematical Society 2 Czechoslovak Mathematical Journal 2 Glasgow Mathematical Journal 2 International Journal of Mathematics and Mathematical Sciences 2 Journal of Combinatorial Theory. Series B 2 Journal of Geometry 2 Journal of the London Mathematical Society. Second Series 2 Journal of Number Theory 2 Journal of Pure and Applied Algebra 2 Journal für die Reine und Angewandte Mathematik 2 Journal of Soviet Mathematics 2 Mathematika 2 Memoirs of the American Mathematical Society 2 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 2 Results in Mathematics 2 Theoretical Computer Science 2 Bulletin of the Iranian Mathematical Society 2 Journal of Symbolic Computation 2 Discrete & Computational Geometry 2 Journal of Global Optimization 2 Proceedings of the Indian Academy of Sciences. Mathematical Sciences 2 Indagationes Mathematicae. New Series 2 SIAM Journal on Optimization 2 The Journal of Analysis 2 Journal of Mathematical Sciences (New York) 2 Journal of Convex Analysis 2 Sbornik: Mathematics 2 Revista Matemática Complutense 2 Annals of Mathematics. Second Series 2 Miscelánea Matemática 2 Journal of Fixed Point Theory and Applications 2 Complex Analysis and Operator Theory 2 Analysis and Geometry in Metric Spaces 2 Concrete Operators 1 Indian Journal of Pure & Applied Mathematics 1 Mathematical Proceedings of the Cambridge Philosophical Society 1 Russian Mathematical Surveys 1 The Mathematical Intelligencer 1 Canadian Journal of Mathematics 1 Canadian Mathematical Bulletin 1 Fuzzy Sets and Systems 1 Illinois Journal of Mathematics 1 Journal of Algebra 1 Journal of Computational and Applied Mathematics 1 Journal of Computer and System Sciences 1 The Journal of Symbolic Logic 1 Kyungpook Mathematical Journal 1 Mathematica Scandinavica ...and 73 more Serials all top 5 Cited in 48 Fields 395 Functional analysis (46-XX) 193 Operator theory (47-XX) 54 Real functions (26-XX) 47 Functions of a complex variable (30-XX) 41 General topology (54-XX) 38 Linear and multilinear algebra; matrix theory (15-XX) 22 Combinatorics (05-XX) 21 Geometry (51-XX) 18 Approximations and expansions (41-XX) 18 Numerical analysis (65-XX) 17 Topological groups, Lie groups (22-XX) 16 Differential geometry (53-XX) 16 Probability theory and stochastic processes (60-XX) 15 Calculus of variations and optimal control; optimization (49-XX) 15 Operations research, mathematical programming (90-XX) 14 Number theory (11-XX) 14 Measure and integration (28-XX) 12 Several complex variables and analytic spaces (32-XX) 11 Field theory and polynomials (12-XX) 11 Partial differential equations (35-XX) 11 Computer science (68-XX) 9 Mathematical logic and foundations (03-XX) 9 Group theory and generalizations (20-XX) 9 Harmonic analysis on Euclidean spaces (42-XX) 9 Convex and discrete geometry (52-XX) 8 Dynamical systems and ergodic theory (37-XX) 6 Category theory; homological algebra (18-XX) 6 Potential theory (31-XX) 6 Ordinary differential equations (34-XX) 6 Abstract harmonic analysis (43-XX) 6 Manifolds and cell complexes (57-XX) 6 Global analysis, analysis on manifolds (58-XX) 5 History and biography (01-XX) 4 Sequences, series, summability (40-XX) 4 Systems theory; control (93-XX) 3 Algebraic geometry (14-XX) 3 Integral equations (45-XX) 3 Statistics (62-XX) 2 General and overarching topics; collections (00-XX) 2 Difference and functional equations (39-XX) 2 Integral transforms, operational calculus (44-XX) 2 Quantum theory (81-XX) 1 Commutative algebra (13-XX) 1 Associative rings and algebras (16-XX) 1 Nonassociative rings and algebras (17-XX) 1 Algebraic topology (55-XX) 1 Geophysics (86-XX) 1 Information and communication theory, circuits (94-XX) Citations by Year Wikidata Timeline The data are displayed as stored in Wikidata under a Creative Commons CC0 License. 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