Edit Profile (opens in new tab) Samelson, Hans Co-Author Distance Author ID: samelson.hans Published as: Samelson, Hans; Samelson, H. External Links: MGP · Wikidata · GND · IdRef Documents Indexed: 72 Publications since 1937, including 3 Books Co-Authors: 15 Co-Authors with 23 Joint Publications 203 Co-Co-Authors all top 5 Co-Authors 49 single-authored 9 Montgomery, Deane 5 Bott, Raoul Harry 4 Hopf, Heinz 2 Yang, Chung-Tao 1 Eckmann, Beno 1 Halmos, Paul Richard 1 Hildebrandt, Theophil Henry 1 Ritt, Robert K. 1 Rothe, Erich Hans 1 Rutishauser, Heinz 1 Schiffer, Menahem Max 1 Thrall, Robert McDowell 1 Wesler, Oscar 1 Whitehead, George William 1 Zippin, Leo all top 5 Serials 8 Proceedings of the American Mathematical Society 6 Commentarii Mathematici Helvetici 5 American Mathematical Monthly 5 Michigan Mathematical Journal 5 Portugaliae Mathematica 5 Annals of Mathematics. Second Series 4 Bulletin of the American Mathematical Society 3 Proceedings of the National Academy of Sciences of the United States of America 2 American Journal of Mathematics 2 Canadian Journal of Mathematics 2 Compositio Mathematica 2 Mathematische Zeitschrift 2 Pacific Journal of Mathematics 2 L’Enseignement Mathématique. 2e Série 2 Comptes Rendus Hebdomadaires des Séances de l’Académie des Sciences, Paris 1 Applicable Analysis 1 Jahresbericht der Deutschen Mathematiker-Vereinigung (DMV) 1 Journal d’Analyse Mathématique 1 Linear and Multilinear Algebra 1 Rocky Mountain Journal of Mathematics 1 Duke Mathematical Journal 1 Journal of Algebra 1 Topology 1 Universitext 1 Pure and Applied Mathematics. A Wiley-Interscience Series of Texts, Monographs and Tracts all top 5 Fields 8 History and biography (01-XX) 4 Differential geometry (53-XX) 3 Nonassociative rings and algebras (17-XX) 3 Manifolds and cell complexes (57-XX) 3 Global analysis, analysis on manifolds (58-XX) 2 Linear and multilinear algebra; matrix theory (15-XX) 2 Real functions (26-XX) 2 Dynamical systems and ergodic theory (37-XX) 2 Algebraic topology (55-XX) 2 Mechanics of particles and systems (70-XX) 1 Topological groups, Lie groups (22-XX) 1 Sequences, series, summability (40-XX) 1 Calculus of variations and optimal control; optimization (49-XX) 1 Convex and discrete geometry (52-XX) 1 General topology (54-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 50 Publications have been cited 871 times in 818 Documents Cited by ▼ Year ▼ Applications of the theory of Morse to symmetric spaces. Zbl 0101.39702 Bott, Raoul; Samelson, Hans 147 1961 Transformation groups of spheres. Zbl 0063.04077 Montgomery, Deane; Samelson, Hans 136 1943 A partition theorem for Euclidean n-spaces. Zbl 0117.37901 Samelson, H.; Thrall, R. M.; Wesler, O. 89 1958 On the Pontryagin product in spaces of paths. Zbl 0052.19301 Bott, Raoul; Samelson, H. 46 1953 Notes on Lie algebras. Zbl 0209.06601 Samelson, H. 43 1969 Notes on Lie algebras. 2nd. ed. Zbl 0708.17005 Samelson, Hans 43 1990 Topology of Lie groups. Zbl 0047.16701 Samelson, Hans 37 1952 A class of complex-analytic manifolds. Zbl 0052.02405 Samelson, H. 35 1953 Ein Satz über die Wirkungsräume geschlossener Liescher Gruppen. Zbl 0025.23704 Hopf, H.; Samelson, H. 33 1941 The cohomology ring of \(G/T\). Zbl 0064.25903 Bott, Raoul; Samelson, H. 22 1955 Fiberings with singularities. Zbl 0060.41501 Montgomery, Deane; Samelson, Hans 20 1946 On monothetic groups. Zbl 0063.01893 Halmos, P. R.; Samelson, H. 20 1942 A connection between the Whitehead and the Pontryagin product. Zbl 0051.13904 Samelson, Hans 20 1953 On the Perron-Frobenius theorem. Zbl 0077.02303 Samelson, Hans 19 1957 Orientability of hypersurfaces in \(R^ n\). Zbl 0191.54602 Samelson, Hans 17 1969 On curvature and characteristic of homogeneous spaces. Zbl 0084.37407 Samelson, Hans 16 1958 Beiträge zur Topologie der Gruppen-Mannigfaltigkeiten. Zbl 0063.06680 Samelson, Hans 14 1941 Exceptional orbits of highest dimension. Zbl 0074.26001 Montgomery, D.; Samelson, H.; Yang, C. T. 14 1956 On manifolds with many closed geodesics. Zbl 0134.17704 Samelson, H. 13 1963 Groups and spaces of loops. Zbl 0056.16801 Samelson, H. 11 1954 Ein Satz über die Wirkungsräume geschlossener Liescher Gruppen. JFM 67.0749.01 Hopf, H.; Samelson, H. 6 1941 Groups transitive on the \(n\)-dimensional torus. Zbl 0063.04078 Montgomery, Dean; Samelson, Hans 6 1943 Singular points of a compact transformation group. Zbl 0074.25905 Montgomery, D.; Samelson, H.; Zippin, L. 6 1956 Differential forms, the early days; or the stories of Deahna’s theorem and of Volterra’s theorem. Zbl 0994.01009 Samelson, Hans 5 2001 A note on the Bockstein operator. Zbl 0131.38007 Samelson, Hans 5 1964 Über die Sphären, die als Gruppenräume auftreten. Zbl 0024.08502 Samelson, Hans 5 1941 A theorem on fixed points of involutions in \(S^3\). Zbl 0064.17703 Montgomery, Deane; Samelson, Hans 4 1955 Lie bracket and curvature. Zbl 0682.53020 Samelson, Hans 3 1989 A note on Lie groups. Zbl 0061.04501 Samelson, Hans 3 1946 Applications of Morse theory to symmetric spaces. Zbl 0101.39701 Bott, Raoul; Samelson, H. 3 1958 Heinz Hopf zum Gedenken. II: Zum wissenschaftlichen Werk von Heinz Hopf. Zbl 0342.01009 Samelson, H. 2 1977 A theorem on differentiable manifolds. Zbl 0054.07202 Samelson, Hans 2 1951 Remark on a paper by R. H. Fox. Zbl 0060.41302 Samelson, Hans 2 1944 Groups on \(E^ n\) with \((n-2)\)-dimensional orbits. Zbl 0073.01701 Montgomery, D.; Samelson, H.; Yang, C. T. 2 1956 Examples for differentiable group actions on spheres. Zbl 0114.39203 Montgomery, D.; Samelson, H. 2 1961 On the thom class of a submanifold. Zbl 0137.17702 Samelson, H. 2 1965 On the Brouwer fixed point theorem. Zbl 0151.31802 Samelson, H. 2 1963 On fibering spheres by toruses. Zbl 0033.02601 Eckmann, Beno; Samelson, H.; Whitehead, G. W. 2 1949 Sur les sous-groupes de dimensions 3 des groupes de Lie compacts. Zbl 0033.24702 Samelson, Hans 2 1949 Note on vector fields in manifolds. Zbl 0224.57011 Samelson, Hans 2 1972 On the self-duality of \(\mathbb{Q}_ p\). Zbl 0843.22012 Samelson, Hans 1 1995 More on Kummer’s test. Zbl 0843.40001 Samelson, Hans 1 1995 Über die Sphären, die als Gruppenräume auftreten. JFM 67.0746.03 Samelson, H. 1 1941 Zum Beweis des Kongruenzsatzes für Eiflächen. JFM 64.0715.03 Hopf, H.; Samelson, H. 1 1938 On the action of \(SO(3)\) on \(S_ n\). Zbl 0109.41502 Montgomery, D.; Samelson, H. 1 1962 On de Rham’s theorem. Zbl 0166.19404 Samelson, H. 1 1967 Sur le rayon d’une sphère dont la surface contient une courbe fermée. Zbl 0036.11206 Rutishauser, Heinz; Samelson, Hans 1 1948 To e via convexity. Zbl 0289.26002 Samelson, H. 1 1974 An introduction to linear algebra. Zbl 0299.15001 Samelson, Hans 1 1974 In defense of Euler. Zbl 0876.01025 Samelson, Hans 1 1996 Differential forms, the early days; or the stories of Deahna’s theorem and of Volterra’s theorem. Zbl 0994.01009 Samelson, Hans 5 2001 In defense of Euler. Zbl 0876.01025 Samelson, Hans 1 1996 On the self-duality of \(\mathbb{Q}_ p\). Zbl 0843.22012 Samelson, Hans 1 1995 More on Kummer’s test. Zbl 0843.40001 Samelson, Hans 1 1995 Notes on Lie algebras. 2nd. ed. Zbl 0708.17005 Samelson, Hans 43 1990 Lie bracket and curvature. Zbl 0682.53020 Samelson, Hans 3 1989 Heinz Hopf zum Gedenken. II: Zum wissenschaftlichen Werk von Heinz Hopf. Zbl 0342.01009 Samelson, H. 2 1977 To e via convexity. Zbl 0289.26002 Samelson, H. 1 1974 An introduction to linear algebra. Zbl 0299.15001 Samelson, Hans 1 1974 Note on vector fields in manifolds. Zbl 0224.57011 Samelson, Hans 2 1972 Notes on Lie algebras. Zbl 0209.06601 Samelson, H. 43 1969 Orientability of hypersurfaces in \(R^ n\). Zbl 0191.54602 Samelson, Hans 17 1969 On de Rham’s theorem. Zbl 0166.19404 Samelson, H. 1 1967 On the thom class of a submanifold. Zbl 0137.17702 Samelson, H. 2 1965 A note on the Bockstein operator. Zbl 0131.38007 Samelson, Hans 5 1964 On manifolds with many closed geodesics. Zbl 0134.17704 Samelson, H. 13 1963 On the Brouwer fixed point theorem. Zbl 0151.31802 Samelson, H. 2 1963 On the action of \(SO(3)\) on \(S_ n\). Zbl 0109.41502 Montgomery, D.; Samelson, H. 1 1962 Applications of the theory of Morse to symmetric spaces. Zbl 0101.39702 Bott, Raoul; Samelson, Hans 147 1961 Examples for differentiable group actions on spheres. Zbl 0114.39203 Montgomery, D.; Samelson, H. 2 1961 A partition theorem for Euclidean n-spaces. Zbl 0117.37901 Samelson, H.; Thrall, R. M.; Wesler, O. 89 1958 On curvature and characteristic of homogeneous spaces. Zbl 0084.37407 Samelson, Hans 16 1958 Applications of Morse theory to symmetric spaces. Zbl 0101.39701 Bott, Raoul; Samelson, H. 3 1958 On the Perron-Frobenius theorem. Zbl 0077.02303 Samelson, Hans 19 1957 Exceptional orbits of highest dimension. Zbl 0074.26001 Montgomery, D.; Samelson, H.; Yang, C. T. 14 1956 Singular points of a compact transformation group. Zbl 0074.25905 Montgomery, D.; Samelson, H.; Zippin, L. 6 1956 Groups on \(E^ n\) with \((n-2)\)-dimensional orbits. Zbl 0073.01701 Montgomery, D.; Samelson, H.; Yang, C. T. 2 1956 The cohomology ring of \(G/T\). Zbl 0064.25903 Bott, Raoul; Samelson, H. 22 1955 A theorem on fixed points of involutions in \(S^3\). Zbl 0064.17703 Montgomery, Deane; Samelson, Hans 4 1955 Groups and spaces of loops. Zbl 0056.16801 Samelson, H. 11 1954 On the Pontryagin product in spaces of paths. Zbl 0052.19301 Bott, Raoul; Samelson, H. 46 1953 A class of complex-analytic manifolds. Zbl 0052.02405 Samelson, H. 35 1953 A connection between the Whitehead and the Pontryagin product. Zbl 0051.13904 Samelson, Hans 20 1953 Topology of Lie groups. Zbl 0047.16701 Samelson, Hans 37 1952 A theorem on differentiable manifolds. Zbl 0054.07202 Samelson, Hans 2 1951 On fibering spheres by toruses. Zbl 0033.02601 Eckmann, Beno; Samelson, H.; Whitehead, G. W. 2 1949 Sur les sous-groupes de dimensions 3 des groupes de Lie compacts. Zbl 0033.24702 Samelson, Hans 2 1949 Sur le rayon d’une sphère dont la surface contient une courbe fermée. Zbl 0036.11206 Rutishauser, Heinz; Samelson, Hans 1 1948 Fiberings with singularities. Zbl 0060.41501 Montgomery, Deane; Samelson, Hans 20 1946 A note on Lie groups. Zbl 0061.04501 Samelson, Hans 3 1946 Remark on a paper by R. H. Fox. Zbl 0060.41302 Samelson, Hans 2 1944 Transformation groups of spheres. Zbl 0063.04077 Montgomery, Deane; Samelson, Hans 136 1943 Groups transitive on the \(n\)-dimensional torus. Zbl 0063.04078 Montgomery, Dean; Samelson, Hans 6 1943 On monothetic groups. Zbl 0063.01893 Halmos, P. R.; Samelson, H. 20 1942 Ein Satz über die Wirkungsräume geschlossener Liescher Gruppen. Zbl 0025.23704 Hopf, H.; Samelson, H. 33 1941 Beiträge zur Topologie der Gruppen-Mannigfaltigkeiten. Zbl 0063.06680 Samelson, Hans 14 1941 Ein Satz über die Wirkungsräume geschlossener Liescher Gruppen. JFM 67.0749.01 Hopf, H.; Samelson, H. 6 1941 Über die Sphären, die als Gruppenräume auftreten. Zbl 0024.08502 Samelson, Hans 5 1941 Über die Sphären, die als Gruppenräume auftreten. JFM 67.0746.03 Samelson, H. 1 1941 Zum Beweis des Kongruenzsatzes für Eiflächen. JFM 64.0715.03 Hopf, H.; Samelson, H. 1 1938 all cited Publications top 5 cited Publications all top 5 Cited by 1,024 Authors 8 Cottle, Richard W. 7 Bernig, Andreas 7 Deng, Shaoqiang 6 Berestovskiĭ, Valeriĭ Nikolaevich 6 Duan, Haibao 6 Lee, Dae-Woong 6 Xu, Ming 6 Zheng, Fangyang 5 Pang, Jong-Shi 4 Baues, Hans-Joachim 4 Borel, Armand 4 Gilbert, Jean Charles 4 Hähl, Hermann 4 Hermann, Robert 4 Kajikiya, Ryuji 4 Kannan, Senthamarai 4 Ku, Hsu-Tung 4 Löwen, Rainer 4 Mann, L. N. 4 Mare, Augustin-Liviu 4 Nikonorov, Yurii Gennadyevich 4 Suh, Dong Youp 4 Terng, Chuu-Lian 3 Arvanitoyeorgos, Andreas 3 Bott, Raoul Harry 3 Carlson, Jeffrey Daniel 3 Chary, B. Narasimha 3 Cohen, Frederick Ronald 3 Conlon, Lawrence 3 Diaco, Marina 3 Escobar, Laura 3 Fernández Rodríguez, Marisa 3 Fino, Anna 3 Foniok, Jan 3 Gärtner, Bernd 3 Goertsches, Oliver 3 Gorodski, Claudio 3 Halperin, Stephen 3 Huang, Zheng-Hai 3 Jeter, Melvyn W. 3 Klaus, Lorenz 3 Kojima, Masakazu 3 Kuroki, Shintarô 3 Matsumoto, Kohji 3 Mazzucchelli, Marco 3 Megiddo, Nimrod 3 Mohan, S. Rama 3 Müller, Markus P. 3 Pan’zhenskii, Vladimir 3 Pye, Wallace C. 3 Romano, Giovanni P. 3 Schultz, Reinhard E. 3 Solanes, Gil 3 Stasheff, James D. 3 Stone, Richard Evan 3 Su, J. C. 3 Thorbergsson, Gudlaugur 3 Tsumura, Hirofumi 3 Vincze, Csaba 3 Watson, Layne Terry 3 Wolf, Joseph Albert 3 Yan, Zaili 3 Yang, Chung-Tao 3 Zhao, Xuezhi 3 Ziller, Wolfgang 2 Agricola, Ilka 2 Alesker, Semyon 2 Ando, Matthew 2 Andrada, Adrián 2 Araki, Shoro 2 Argyres, Philip C. 2 Arkowitz, Martin 2 Barberis, María Laura 2 Barretta, Raffaele 2 Becker, James Cyril 2 Ben Tahar, Abdelghani 2 Berger, Marcel 2 Berndt, Jürgen 2 Boyer, Charles P. 2 Brasselet, Jean-Paul 2 Burns, John M. 2 Calderbank, David M. J. 2 Chen, Kuo-Tsai 2 Choudhury, Projesh Nath 2 Chrysikos, Ioannis 2 Civan, Yusuf 2 Console, Sergio 2 Curtis, Morton L. 2 Daurtseva, Nataliya Alexandrovna 2 de Azcárraga, José A. 2 Deitmar, Anton 2 Di Scala, Antonio Jose 2 Díaz-Ramos, José Carlos 2 Domínguez-Vázquez, Miguel 2 Dovermann, Karl Heinz 2 Dubi, Chen 2 Dussault, Jean-Pierre 2 Eckmann, Beno 2 El Kharroubi, Ahmed 2 Elfoutayeni, Youssef ...and 924 more Authors all top 5 Cited in 236 Serials 49 Transactions of the American Mathematical Society 41 Linear Algebra and its Applications 29 Proceedings of the American Mathematical Society 28 Bulletin of the American Mathematical Society 24 Mathematische Zeitschrift 22 Mathematische Annalen 20 Advances in Mathematics 17 Mathematical Programming 16 Journal of Geometry and Physics 16 Differential Geometry and its Applications 15 Topology and its Applications 14 Communications in Mathematical Physics 13 Inventiones Mathematicae 12 Geometriae Dedicata 12 Journal of Pure and Applied Algebra 12 Annals of Global Analysis and Geometry 10 Journal of Mathematical Physics 10 Annali di Matematica Pura ed Applicata. Serie Quarta 10 Tôhoku Mathematical Journal. Second Series 10 Journal of Mathematical Sciences (New York) 10 Transformation Groups 9 Duke Mathematical Journal 9 Journal of Algebra 9 Manuscripta Mathematica 8 Compositio Mathematica 8 Journal of Optimization Theory and Applications 8 Osaka Journal of Mathematics 7 Journal of Functional Analysis 7 Mathematical Programming. Series A. Series B 7 Journal of High Energy Physics 7 Proceedings of the Japan Academy 6 Israel Journal of Mathematics 6 Journal of Mathematical Analysis and Applications 6 Annales de l’Institut Fourier 6 The Journal of Geometric Analysis 5 Nagoya Mathematical Journal 5 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 5 Geometry & Topology 5 Algebraic & Geometric Topology 4 Journal of Differential Equations 4 Pacific Journal of Mathematics 4 Siberian Mathematical Journal 4 Calculus of Variations and Partial Differential Equations 3 Annali della Scuola Normale Superiore di Pisa. Classe di Scienze. Serie IV 3 Annales Scientifiques de l’École Normale Supérieure. Quatrième Série 3 Archiv der Mathematik 3 Illinois Journal of Mathematics 3 Journal für die Reine und Angewandte Mathematik 3 Publications of the Research Institute for Mathematical Sciences, Kyoto University 3 Rendiconti del Circolo Matemàtico di Palermo. Serie II 3 Chinese Annals of Mathematics. Series B 3 Geometric and Functional Analysis. GAFA 3 Proceedings of the Indian Academy of Sciences. Mathematical Sciences 3 Journal of Knot Theory and its Ramifications 3 Journal of Algebraic Combinatorics 3 Journal of Lie Theory 3 Algebras and Representation Theory 3 Communications in Contemporary Mathematics 3 Journal of the Australian Mathematical Society 3 Frontiers of Mathematics in China 2 Communications in Algebra 2 Discrete Applied Mathematics 2 International Journal of Theoretical Physics 2 Jahresbericht der Deutschen Mathematiker-Vereinigung (DMV) 2 Letters in Mathematical Physics 2 Mathematical Notes 2 Mathematical Proceedings of the Cambridge Philosophical Society 2 Moscow University Mathematics Bulletin 2 Nuclear Physics. B 2 Acta Mathematica 2 Annales de l’Institut Henri Poincaré. Nouvelle Série. Section A. Physique Théorique 2 Bulletin de la Société Mathématique de France 2 Glasgow Mathematical Journal 2 Journal of Computational and Applied Mathematics 2 Journal of the Mathematical Society of Japan 2 Kodai Mathematical Journal 2 Mathematische Nachrichten 2 Proceedings of the Japan Academy. Series A 2 Results in Mathematics 2 Zeitschrift für Wahrscheinlichkeitstheorie und Verwandte Gebiete 2 European Journal of Combinatorics 2 Systems & Control Letters 2 Acta Applicandae Mathematicae 2 Journal of Symbolic Computation 2 Discrete & Computational Geometry 2 \(K\)-Theory 2 Revista Matemática Iberoamericana 2 Journal of the American Mathematical Society 2 Forum Mathematicum 2 European Journal of Operational Research 2 Journal de Mathématiques Pures et Appliquées. Neuvième Série 2 Bulletin of the American Mathematical Society. New Series 2 Indagationes Mathematicae. New Series 2 Continuum Mechanics and Thermodynamics 2 St. Petersburg Mathematical Journal 2 Boletín de la Sociedad Matemática Mexicana. Third Series 2 Journal of Group Theory 2 Qualitative Theory of Dynamical Systems 2 Advances in Geometry 2 SIGMA. Symmetry, Integrability and Geometry: Methods and Applications ...and 136 more Serials all top 5 Cited in 58 Fields 242 Differential geometry (53-XX) 167 Manifolds and cell complexes (57-XX) 127 Algebraic topology (55-XX) 85 Topological groups, Lie groups (22-XX) 77 Algebraic geometry (14-XX) 74 Operations research, mathematical programming (90-XX) 70 Nonassociative rings and algebras (17-XX) 58 Global analysis, analysis on manifolds (58-XX) 50 Linear and multilinear algebra; matrix theory (15-XX) 46 Group theory and generalizations (20-XX) 37 Quantum theory (81-XX) 32 Several complex variables and analytic spaces (32-XX) 29 Dynamical systems and ergodic theory (37-XX) 24 Numerical analysis (65-XX) 23 Combinatorics (05-XX) 23 Convex and discrete geometry (52-XX) 20 Associative rings and algebras (16-XX) 19 Geometry (51-XX) 17 General topology (54-XX) 15 Number theory (11-XX) 14 Partial differential equations (35-XX) 14 Systems theory; control (93-XX) 13 Operator theory (47-XX) 12 Functional analysis (46-XX) 12 Calculus of variations and optimal control; optimization (49-XX) 11 Commutative algebra (13-XX) 11 Relativity and gravitational theory (83-XX) 10 Category theory; homological algebra (18-XX) 10 Probability theory and stochastic processes (60-XX) 9 Mechanics of particles and systems (70-XX) 9 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 8 Abstract harmonic analysis (43-XX) 7 Ordinary differential equations (34-XX) 7 Computer science (68-XX) 6 History and biography (01-XX) 5 \(K\)-theory (19-XX) 5 Special functions (33-XX) 4 Field theory and polynomials (12-XX) 4 Mechanics of deformable solids (74-XX) 3 Measure and integration (28-XX) 3 Functions of a complex variable (30-XX) 3 Biology and other natural sciences (92-XX) 3 Information and communication theory, circuits (94-XX) 2 Mathematical logic and foundations (03-XX) 2 Order, lattices, ordered algebraic structures (06-XX) 2 Difference and functional equations (39-XX) 2 Approximations and expansions (41-XX) 2 Fluid mechanics (76-XX) 2 Statistical mechanics, structure of matter (82-XX) 1 General and overarching topics; collections (00-XX) 1 General algebraic systems (08-XX) 1 Real functions (26-XX) 1 Sequences, series, summability (40-XX) 1 Harmonic analysis on Euclidean spaces (42-XX) 1 Integral transforms, operational calculus (44-XX) 1 Integral equations (45-XX) 1 Statistics (62-XX) 1 Mathematics education (97-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.