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## Greenberg, Leon

Compute Distance To:
 Author ID: greenberg.leon Published as: Greenberg, Leon; Greenberg, L. External Links: MGP
 Documents Indexed: 30 Publications since 1960, including 1 Book
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#### Co-Authors

 16 single-authored 8 Marletta, Marco 2 Newman, Morris 1 Babuška, Ivo 1 Bers, Lipman 1 Brown, Malcolm 1 Chen, Su-Shing 1 Hoffman, Kathleen A. 1 Maddocks, John H.
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#### Serials

 3 SIAM Journal on Numerical Analysis 2 American Journal of Mathematics 2 Mathematische Nachrichten 2 SIAM Journal on Mathematical Analysis 2 Journal of Research of the National Bureau of Standards 1 IMA Journal of Numerical Analysis 1 Journal d’Analyse Mathématique 1 Mathematical Proceedings of the Cambridge Philosophical Society 1 ACM Transactions on Mathematical Software 1 Archiv der Mathematik 1 Canadian Journal of Mathematics 1 Journal of Computational and Applied Mathematics 1 Mathematica Scandinavica 1 Proceedings of the American Mathematical Society 1 Proceedings of the Royal Society of Edinburgh. Section A. Mathematics 1 Annals of Mathematics. Second Series 1 Bulletin of the American Mathematical Society 1 Annals of Mathematics Studies
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#### Fields

 11 Ordinary differential equations (34-XX) 9 Numerical analysis (65-XX) 6 Group theory and generalizations (20-XX) 3 Number theory (11-XX) 3 Functions of a complex variable (30-XX) 1 General and overarching topics; collections (00-XX) 1 Topological groups, Lie groups (22-XX) 1 Several complex variables and analytic spaces (32-XX) 1 Operator theory (47-XX) 1 Geometry (51-XX) 1 Differential geometry (53-XX) 1 Manifolds and cell complexes (57-XX) 1 Global analysis, analysis on manifolds (58-XX)

#### Citations contained in zbMATH Open

27 Publications have been cited 335 times in 247 Documents Cited by Year
Discrete groups of motions. Zbl 0096.02102
Greenberg, Leon
1960
Maximal Fuchsian groups. Zbl 0115.06701
Greenberg, Leon
1963
Discrete subgroups of the Lorentz group. Zbl 0118.03902
Greenberg, Leon
1962
Hyperbolic spaces. Zbl 0295.53023
Chen, S. S.; Greenberg, L.
1974
Algorithm 775: The code SLEUTH for solving fourth-order Sturm-Liouville problems. Zbl 0912.65073
Greenberg, Leon; Marletta, Marco
1997
Oscillation theory and numerical solution of fourth-order Sturm-Liouville problems. Zbl 0832.65087
Greenberg, Leon; Marletta, Marco
1995
An oscillation method for fourth-order, self-adjoint two-point boundary value problems with nonlinear eigenvalues. Zbl 0728.65077
Greenberg, Leon
1991
Numerical methods for higher order Sturm-Liouville problems. Zbl 0970.65087
Greenberg, Leon; Marletta, Marco
2000
Fundamental polyhedra for Kleinian groups. Zbl 0161.27405
Greenberg, L.
1966
Numerical solution of non–self-adjoint Sturm–Liouville problems and related systems. Zbl 1001.34020
Greenberg, Leon; Marletta, Marco
2001
Isomorphisms between Teichmüller spaces. Zbl 0224.32013
Bers, Lipman; Greenberg, Leon
1971
On a theorem of Ahlfors and conjugate subgroups of Kleinian groups. Zbl 0154.33605
Greenberg, L.
1967
The Ekman flow and related problems: spectral theory and numerical analysis. Zbl 1058.34025
Greenberg, Leon; Marletta, Marco
2004
A continuous analogue of Sturm sequences in the context of Sturm- Liouville equations. Zbl 0681.65061
Greenberg, L.; Babuška, I.
1989
Fundamental polygons for Fuchsian groups. Zbl 0152.27802
Greenberg, Leon
1967
Note on normal subgroups of the modular group. Zbl 0163.27302
Greenberg, L.
1966
Oscillation theory and numerical solution of sixth order Sturm-Liouville problems. Zbl 0916.34030
Greenberg, Leon; Marletta, Marco
1998
Convergence of regular approximations to the spectra of singular fourth-order Sturm-Liouville problems. Zbl 0920.34032
Brown, Malcolm; Greenberg, Leon; Marletta, Marco
1998
Discontinuous groups and Riemann surfaces. Proceedings of the 1973 conference at the University of Maryland. Zbl 0282.00013
Greenberg, Leon (ed.)
1974
Maximal groups and signatures. Zbl 0295.20053
Greenberg, Leon
1974
Commensurable groups of Moebius transformations. Zbl 0295.20054
Greenberg, Leon
1974
Conformal transformations of Riemann surfaces. Zbl 0102.06703
Greenberg, Leon
1960
Normal subgroups of the modular group. Zbl 0256.20066
Greenberg, Leon; Newman, Morris
1970
The bordered operator and the index of a constrained critical point. Zbl 0964.47005
Greenberg, Leon; Maddocks, John H.; Hoffman, Kathleen A.
2000
Some results on solvable groups. Zbl 0236.20007
Greenberg, Leon; Newman, Morris
1970
The counting function for a $${\lambda}$$-rational Sturm-Liouville problem. Zbl 1037.34009
Greenberg, Leon; Marletta, Marco
2003
Homomorphisms of triangle groups into SO(3). Zbl 0529.20025
Greenberg, Leon
1983
The Ekman flow and related problems: spectral theory and numerical analysis. Zbl 1058.34025
Greenberg, Leon; Marletta, Marco
2004
The counting function for a $${\lambda}$$-rational Sturm-Liouville problem. Zbl 1037.34009
Greenberg, Leon; Marletta, Marco
2003
Numerical solution of non–self-adjoint Sturm–Liouville problems and related systems. Zbl 1001.34020
Greenberg, Leon; Marletta, Marco
2001
Numerical methods for higher order Sturm-Liouville problems. Zbl 0970.65087
Greenberg, Leon; Marletta, Marco
2000
The bordered operator and the index of a constrained critical point. Zbl 0964.47005
Greenberg, Leon; Maddocks, John H.; Hoffman, Kathleen A.
2000
Oscillation theory and numerical solution of sixth order Sturm-Liouville problems. Zbl 0916.34030
Greenberg, Leon; Marletta, Marco
1998
Convergence of regular approximations to the spectra of singular fourth-order Sturm-Liouville problems. Zbl 0920.34032
Brown, Malcolm; Greenberg, Leon; Marletta, Marco
1998
Algorithm 775: The code SLEUTH for solving fourth-order Sturm-Liouville problems. Zbl 0912.65073
Greenberg, Leon; Marletta, Marco
1997
Oscillation theory and numerical solution of fourth-order Sturm-Liouville problems. Zbl 0832.65087
Greenberg, Leon; Marletta, Marco
1995
An oscillation method for fourth-order, self-adjoint two-point boundary value problems with nonlinear eigenvalues. Zbl 0728.65077
Greenberg, Leon
1991
A continuous analogue of Sturm sequences in the context of Sturm- Liouville equations. Zbl 0681.65061
Greenberg, L.; Babuška, I.
1989
Homomorphisms of triangle groups into SO(3). Zbl 0529.20025
Greenberg, Leon
1983
Hyperbolic spaces. Zbl 0295.53023
Chen, S. S.; Greenberg, L.
1974
Discontinuous groups and Riemann surfaces. Proceedings of the 1973 conference at the University of Maryland. Zbl 0282.00013
Greenberg, Leon
1974
Maximal groups and signatures. Zbl 0295.20053
Greenberg, Leon
1974
Commensurable groups of Moebius transformations. Zbl 0295.20054
Greenberg, Leon
1974
Isomorphisms between Teichmüller spaces. Zbl 0224.32013
Bers, Lipman; Greenberg, Leon
1971
Normal subgroups of the modular group. Zbl 0256.20066
Greenberg, Leon; Newman, Morris
1970
Some results on solvable groups. Zbl 0236.20007
Greenberg, Leon; Newman, Morris
1970
On a theorem of Ahlfors and conjugate subgroups of Kleinian groups. Zbl 0154.33605
Greenberg, L.
1967
Fundamental polygons for Fuchsian groups. Zbl 0152.27802
Greenberg, Leon
1967
Fundamental polyhedra for Kleinian groups. Zbl 0161.27405
Greenberg, L.
1966
Note on normal subgroups of the modular group. Zbl 0163.27302
Greenberg, L.
1966
Maximal Fuchsian groups. Zbl 0115.06701
Greenberg, Leon
1963
Discrete subgroups of the Lorentz group. Zbl 0118.03902
Greenberg, Leon
1962
Discrete groups of motions. Zbl 0096.02102
Greenberg, Leon
1960
Conformal transformations of Riemann surfaces. Zbl 0102.06703
Greenberg, Leon
1960
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#### Cited by 286 Authors

 6 Bujalance, Emilio 6 Karrass, Abraham 6 Solitar, Donald M. 6 Sun, Jiong 5 Ao, Jijun 5 Apanasov, Boris Nikolaevich 5 Chanane, Bilal 5 Cirre, Francisco-Javier 5 Hidalgo, Rubén Antonio 5 Liu, Yan 5 Shi, Yuming 4 Johnson, Francis E. A. 4 Kulkarni, Ravi S. 4 Malham, Simon J. A. 4 Marletta, Marco 4 Rosenberger, Gerhard 3 Abikoff, William 3 Alejo, Miguel A. 3 Beardon, Alan Frank 3 Chen, Su-Shing 3 Conder, Marston D. E. 3 Gromadzki, Grzegorz 3 Li, Kun 3 Lipschutz, Seymour 3 Turbek, Peter 3 Zalesskii, Pavel 2 Baumslag, Gilbert 2 Bers, Lipman 2 Bishop, Christopher James 2 Bo, Fangzhen 2 Bridges, Thomas J. 2 Cano Cordero, Angel 2 Gavrikov, Alexander A. 2 Gheorghiu, Călin Ioan 2 Giga, Yoshikazu 2 Gongopadhyay, Krishnendu 2 Greenberg, Leon 2 Griffiths, H. Brian 2 Hao, Xiaoling 2 Hoare, A. Howard M. 2 Kozłowska-Walania, Ewa 2 Kra, Irwin 2 Ledoux, Veerle 2 Lehner, Joseph 2 Lubotzky, Alexander 2 Makarov, Volodymyr Leonidovych 2 Maskit, Bernard 2 Merzlyakov, Yu. I. 2 Mirzaei, Hanif 2 Muñoz, Claudio 2 Palka, Bruce P. 2 Quispe, Saül 2 Ratcliffe, John G. 2 Reid, Alan W. 2 Romanyuk, Nataliia Mykolaivna 2 Saal, Jürgen 2 Shalen, Peter B. 2 Shen, Yuliang 2 Simmons, David 2 Snopce, Ilir 2 Sullivan, Dennis Parnell 2 Syam, Muhammed I. 2 Tretter, Christiane 2 Tschantz, Steven Thomas 2 Yücel, Uǧur 2 Zettl, Anton 1 Accola, Robert D. M. 1 Ahlfors, Lars Valerian 1 Akhmet, Marat Ubaydulla 1 Akulenko, Leonid Denisovich 1 Al-Mdallal, Qasem M. 1 Alkan, Emre 1 Allen, Leanne 1 Alling, Norman Larrabee 1 Aougab, Tarik 1 Aparicio, Nairo D. 1 Artebani, Michela 1 Arzhantseva, Goulnara N. 1 Attili, Basem S. 1 Baccouch, Mahboub 1 Baldenebro-Obeso, Jesús A. 1 Beck, Margaret 1 Bekri, Zouaoui 1 Belolipetsky, Mikhail V. 1 Benaicha, Slimane 1 Berger, Marc 1 Biazar, Jafar 1 Bibak, Khodakhast 1 Biringer, Ian 1 Blázquez-Sanz, David 1 Bockmann, Christine 1 Bogopolski, Oleg 1 Boubaker, Karem Mahmoud 1 Bowditch, Brian H. 1 Breda d’Azevedo, Antonio J. 1 Brooks, Robert Wolfe 1 Brown, B. Malcolm 1 Brown, Malcolm 1 Burns, Robert G. 1 Cai, Yongmao ...and 186 more Authors
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#### Cited in 112 Serials

 13 Acta Mathematica 12 Proceedings of the American Mathematical Society 11 Transactions of the American Mathematical Society 10 Journal of Computational and Applied Mathematics 9 Mathematische Zeitschrift 7 Inventiones Mathematicae 7 Journal of Pure and Applied Algebra 6 Mathematische Annalen 5 Israel Journal of Mathematics 5 Applied Mathematics and Computation 5 Archiv der Mathematik 5 Siberian Mathematical Journal 4 Advances in Mathematics 4 Journal of Soviet Mathematics 4 Tohoku Mathematical Journal. Second Series 4 Linear Algebra and its Applications 4 Bulletin of the American Mathematical Society. New Series 4 Bulletin of the American Mathematical Society 3 Journal of Mathematical Analysis and Applications 3 Mathematical Proceedings of the Cambridge Philosophical Society 3 Geometriae Dedicata 3 Journal of Differential Equations 3 Topology and its Applications 3 Applied Mathematics Letters 3 Conformal Geometry and Dynamics 2 Communications in Mathematical Physics 2 Communications on Pure and Applied Mathematics 2 Journal d’Analyse Mathématique 2 Rocky Mountain Journal of Mathematics 2 Arkiv för Matematik 2 Mathematics of Computation 2 Journal of Algebra 2 Results in Mathematics 2 Ergodic Theory and Dynamical Systems 2 Annals of Global Analysis and Geometry 2 Applied Mathematical Modelling 2 Annales de la Faculté des Sciences de Toulouse. Mathématiques. Série VI 2 Journal of Mathematical Sciences (New York) 2 Turkish Journal of Mathematics 2 Computational Methods and Function Theory 2 Boundary Value Problems 2 Science China. Mathematics 2 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM 2 Computational Methods for Differential Equations 1 Acta Informatica 1 Bulletin of the Australian Mathematical Society 1 Communications in Algebra 1 Computers & Mathematics with Applications 1 Houston Journal of Mathematics 1 Journal of Engineering Mathematics 1 Journal of Fluid Mechanics 1 Journal of Mathematical Physics 1 Mathematical Methods in the Applied Sciences 1 Nonlinearity 1 Nuclear Physics. B 1 ZAMP. Zeitschrift für angewandte Mathematik und Physik 1 Chaos, Solitons and Fractals 1 The Mathematical Intelligencer 1 Beiträge zur Algebra und Geometrie 1 Abhandlungen aus dem Mathematischen Seminar der Universität Hamburg 1 Algebra and Logic 1 Annales de l’Institut Fourier 1 BIT 1 Czechoslovak Mathematical Journal 1 Duke Mathematical Journal 1 Glasgow Mathematical Journal 1 Indiana University Mathematics Journal 1 Journal of Number Theory 1 Kodai Mathematical Journal 1 Manuscripta Mathematica 1 Mathematica Scandinavica 1 Mathematika 1 Numerical Functional Analysis and Optimization 1 Osaka Journal of Mathematics 1 Proceedings of the Edinburgh Mathematical Society. Series II 1 Physica D 1 Applied Numerical Mathematics 1 Revista Matemática Iberoamericana 1 Journal of Scientific Computing 1 Science in China. Series A 1 International Journal of Algebra and Computation 1 Differential Geometry and its Applications 1 IMRN. International Mathematics Research Notices 1 Numerical Algorithms 1 Computational Mathematics and Mathematical Physics 1 Glasnik Matematički. Serija III 1 Proceedings of the Royal Society of Edinburgh. Section A. Mathematics 1 Applied Mathematics. Series B (English Edition) 1 Algebra Colloquium 1 Journal of Inverse and Ill-Posed Problems 1 Selecta Mathematica. New Series 1 Engineering Analysis with Boundary Elements 1 Discrete and Continuous Dynamical Systems 1 Abstract and Applied Analysis 1 Geometry & Topology 1 Journal of Group Theory 1 Journal of Mathematical Fluid Mechanics 1 European Journal of Mechanics. B. Fluids 1 Acta Mathematica Sinica. English Series 1 Communications in Nonlinear Science and Numerical Simulation ...and 12 more Serials
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#### Cited in 38 Fields

 89 Functions of a complex variable (30-XX) 75 Group theory and generalizations (20-XX) 44 Ordinary differential equations (34-XX) 42 Manifolds and cell complexes (57-XX) 26 Numerical analysis (65-XX) 21 Algebraic geometry (14-XX) 19 Partial differential equations (35-XX) 18 Number theory (11-XX) 17 Differential geometry (53-XX) 15 Dynamical systems and ergodic theory (37-XX) 14 Topological groups, Lie groups (22-XX) 14 Several complex variables and analytic spaces (32-XX) 14 Operator theory (47-XX) 11 Fluid mechanics (76-XX) 8 Geometry (51-XX) 6 Combinatorics (05-XX) 5 Measure and integration (28-XX) 5 Global analysis, analysis on manifolds (58-XX) 4 Mechanics of deformable solids (74-XX) 3 Difference and functional equations (39-XX) 3 Mechanics of particles and systems (70-XX) 2 Order, lattices, ordered algebraic structures (06-XX) 2 Field theory and polynomials (12-XX) 2 Linear and multilinear algebra; matrix theory (15-XX) 2 Approximations and expansions (41-XX) 2 Algebraic topology (55-XX) 2 Probability theory and stochastic processes (60-XX) 2 Quantum theory (81-XX) 1 History and biography (01-XX) 1 Mathematical logic and foundations (03-XX) 1 Special functions (33-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 Computer science (68-XX) 1 Optics, electromagnetic theory (78-XX) 1 Classical thermodynamics, heat transfer (80-XX) 1 Geophysics (86-XX)