## Schmidt, Karl Michael

Compute Distance To:
 Author ID: schmidt.karl-michael Published as: Schmidt, Karl Michael; Schmidt, K. M.
 Documents Indexed: 79 Publications since 1869, including 6 Books 1 Further Contribution Co-Authors: 24 Co-Authors with 32 Joint Publications 453 Co-Co-Authors
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### Co-Authors

 37 single-authored 8 Lettington, Matthew C. 7 Brown, B. Malcolm 5 Eastham, Michael S. P. 3 Hill, Sally L. 3 Zhigljavsky, Anatoly A. 2 Eilenberger, Gert 2 Hinz, Andreas M. 2 Huxley, Martin N. 2 Moskvina, Valentina G. 2 Phillips, T. R. L. 2 Umeda, Tomio 1 Aumann, Simon 1 Berenstein, Arkady 1 Blay-Fornarino, M. 1 Bornscheuer, F.-W. 1 Brunnock, R. 1 Christiansen, Jacob Stordal 1 Duruflé, Marc 1 Evans, William Desmond 1 Föppl, V. L. 1 Hamel, I. G. 1 Hartenstein, Reiner W. 1 Higham, Nicholas J. 1 Hirschbiel, A. G. 1 Hughes, Daniel R. 1 Kalf, Hubert 1 Klotter, Karl 1 Korotyaev, Evgeny L. 1 Kriecherbauer, Thomas 1 Küssner, Hans Georg 1 Langer, Matthias 1 Mahlert, A. 1 Maier, Erich 1 McCormack, Daniel K. R. 1 Monaquel, Shatha Jameel 1 Mönch, E. 1 Müller, Heinrich 1 Oppelt, W. 1 Péron, Victor 1 Pettigrew, K. D. 1 Pinna-Dery, A. M. 1 Pöschl, Theodor 1 Riedmüller, M. 1 Riekert, P. 1 Schnadel, Georg 1 Stüper, J. 1 Turkheimer, Federico E. 1 van den Dries, Lou 1 Vronskaya-Robl, Maria 1 Walther, Alwin 1 Yamada, Osanobu 1 Zaraté, Pascale
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### Serials

 5 Journal of Computational and Applied Mathematics 4 Journal of Mathematical Analysis and Applications 4 Proceedings of the Royal Society of Edinburgh. Section A. Mathematics 3 Linear Algebra and its Applications 2 Communications in Mathematical Physics 2 Letters in Mathematical Physics 2 Bulletin of the London Mathematical Society 2 Proceedings of the American Mathematical Society 2 Publications of the Research Institute for Mathematical Sciences, Kyoto University 2 Journal of Physics A: Mathematical and General 2 Zeitschrift für Vermessungswesen 1 Linear and Multilinear Algebra 1 Mathematical Proceedings of the Cambridge Philosophical Society 1 Metrika 1 Periodica Mathematica Hungarica 1 Zeitschrift für Angewandte Mathematik und Mechanik (ZAMM) 1 Biometrics 1 Integral Equations and Operator Theory 1 Inventiones Mathematicae 1 Journal of Differential Equations 1 Journal für die Reine und Angewandte Mathematik 1 Mathematische Annalen 1 The Quarterly Journal of Mathematics. Oxford Second Series 1 Transactions of the American Mathematical Society 1 Statistics & Probability Letters 1 SIAM Journal on Matrix Analysis and Applications 1 Forum Mathematicum 1 Mathematica Pannonica 1 IMRN. International Mathematics Research Notices 1 Communications in Statistics. Simulation and Computation 1 SIAM Journal on Applied Mathematics 1 Annales de l’Institut Henri Poincaré. Physique Théorique 1 ELA. The Electronic Journal of Linear Algebra 1 The Ramanujan Journal 1 Revista Matemática Complutense 1 Proceedings of the Royal Society of London. Series A. Mathematical, Physical and Engineering Sciences 1 Journal of Computational Analysis and Applications 1 Integers 1 Archiv für Elektrotechnik 1 Zeitschrift für Instrumentenkunde 1 Frontiers in Artificial Intelligence and Applications 1 RIMS Kôkyûroku Bessatsu 1 Statistics and Its Interface 1 Annalen der Physik und Chemie, Neue Folge 1 The Journal of Philosophy 1 Operator Theory: Advances and Applications
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### Fields

 32 Ordinary differential equations (34-XX) 20 Quantum theory (81-XX) 18 Operator theory (47-XX) 12 Partial differential equations (35-XX) 8 Linear and multilinear algebra; matrix theory (15-XX) 7 Numerical analysis (65-XX) 6 Statistics (62-XX) 5 Number theory (11-XX) 4 Difference and functional equations (39-XX) 4 Probability theory and stochastic processes (60-XX) 3 Combinatorics (05-XX) 3 Associative rings and algebras (16-XX) 3 Real functions (26-XX) 3 Dynamical systems and ergodic theory (37-XX) 3 Harmonic analysis on Euclidean spaces (42-XX) 2 History and biography (01-XX) 2 Special functions (33-XX) 2 Computer science (68-XX) 1 General and overarching topics; collections (00-XX) 1 Mathematical logic and foundations (03-XX) 1 Field theory and polynomials (12-XX) 1 Commutative algebra (13-XX) 1 Nonassociative rings and algebras (17-XX) 1 Approximations and expansions (41-XX) 1 Calculus of variations and optimal control; optimization (49-XX) 1 Geometry (51-XX) 1 Differential geometry (53-XX) 1 Mechanics of particles and systems (70-XX) 1 Mechanics of deformable solids (74-XX) 1 Fluid mechanics (76-XX) 1 Optics, electromagnetic theory (78-XX) 1 Statistical mechanics, structure of matter (82-XX) 1 Systems theory; control (93-XX)

### Citations contained in zbMATH Open

49 Publications have been cited 230 times in 152 Documents Cited by Year
Bounds in the theory of polynomial rings over fields. A nonstandard approach. Zbl 0539.13011
van den Dries, Lou; Schmidt, K.
1984
Critical coupling constants and eigenvalue asymptotics of perturbed periodic Sturm-Liouville operators. Zbl 0953.34069
Schmidt, Karl Michael
2000
Oscillation of the perturbed Hill equation and the lower spectrum of radially periodic Schrödinger operators in the plane. Zbl 0918.34039
Schmidt, Karl Michael
1999
Spherically symmetric Dirac operators with variable mass and potentials infinite at infinity. Zbl 0967.35118
1998
Periodic differential operators. Zbl 1267.34001
Brown, B. Malcolm; Eastham, Michael S. P.; Schmidt, Karl Michael
2013
A remark on boundary value problems for the Dirac operator. Zbl 0864.35092
Schmidt, Karl Michael
1995
On $$M$$-functions and operator theory for non-self-adjoint discrete Hamiltonian systems. Zbl 1127.39045
Monaquel, Shatha Jameel; Schmidt, Karl Michael
2007
On the resonances and eigenvalues for a 1D half-crystal with localised impurity. Zbl 1251.47066
Korotyaev, Evgeny L.; Schmidt, Karl Michael
2012
Dense point spectrum and absolutely continuous spectrum in spherically symmetric Dirac operators. Zbl 0826.34076
Schmidt, Karl Michael
1995
Absolutely continuous spectrum of Dirac systems with potentials infinite at infinity. Zbl 0886.34074
Schmidt, Karl Michael
1997
Welsh eigenvalues of radially periodic Schrödinger operators. Zbl 0915.35076
Brown, B. Malcolm; Eastham, Michael S. P.; Hinz, Andreas M.; Kriecherbauer, Thomas; McCormack, Daniel K. R.; Schmidt, Karl Michael
1998
A remark on the essential spectra of Dirac systems. Zbl 1030.34082
Schmidt, Karl Michael
2000
Relative oscillation – non-oscillation criteria for perturbed periodic Dirac systems. Zbl 0977.34076
Schmidt, Karl Michael
2000
Equivalent transmission conditions for the time-harmonic Maxwell equations in 3D for a medium with a highly conductive thin sheet. Zbl 1373.35299
Péron, V.; Schmidt, K.; Duruflé, M.
2016
Distribution of eigenvalues in gaps of the essential spectrum of Sturm-Liouville operators – a numerical approach. Zbl 1092.34045
Brown, B.; Eastham, Michael S. P.; Hinz, Andreas M.; Schmidt, Karl Michael
2004
On the essential spectrum of Dirac operators with spherically symmetric potentials. Zbl 0796.35120
Schmidt, Karl Michael
1993
Asymptotics of the spectral density for radial Dirac operators with divergent potentials. Zbl 1149.34055
Eastham, Michael S. P.; Schmidt, Karl Michael
2008
On square roots and norms of matrices with symmetry properties. Zbl 1310.15025
Brunnock, R.; Lettington, M. C.; Schmidt, K. M.
2014
A characterization of the arcsine distribution. Zbl 1176.62006
Schmidt, Karl Michael; Zhigljavsky, Anatoly
2009
Spectral properties of rotationally symmetric massless Dirac operators. Zbl 1195.81057
Schmidt, Karl Michael
2010
Schnol’s theorem and spectral properties of massless Dirac operators with scalar potentials. Zbl 1327.35329
Schmidt, Karl Michael; Umeda, Tomio
2015
Eigenvalue asymptotics of perturbed periodic Dirac systems in the slow-decay limit. Zbl 1027.81008
Schmidt, Karl Michael
2003
A short proof for Bargmann-type inequalities. Zbl 1045.34053
Schmidt, Karl Michael
2002
Absence of high-energy spectral concentration for Dirac systems with divergent potentials. Zbl 1092.34047
Eastham, M. S. P.; Schmidt, K. M.
2005
Dense point spectrum for the one-dimensional Dirac operator with an electrostatic potential. Zbl 0859.34074
Schmidt, Karl Michael
1996
On the structure of additive systems of integers. Zbl 1438.11022
Huxley, M. N.; Lettington, M. C.; Schmidt, K. M.
2019
An application of Gesztesy-Simon-Teschl oscillation theory to a problem in differential geometry. Zbl 0997.53005
Schmidt, Karl Michael
2001
Spectral properties of massless Dirac operators with real-valued potentials. Zbl 1300.81041
Schmidt, Karl Michael; Umeda, Tomio
2014
Spectral properties of a $$q$$-Sturm–Liouville operator. Zbl 1173.47018
Brown, B. Malcolm; Christiansen, Jacob S.; Schmidt, Karl Michael
2009
Spectral stability of the Coulomb–Dirac Hamiltonian with anomalous magnetic moment. Zbl 1072.34099
Kalf, Hubert; Schmidt, Karl Michael
2004
Eigenvalues in gaps of perturbed periodic Dirac operators: Numerical evidence. Zbl 1019.65057
Schmidt, Karl Michael
2002
The theory of functions of one Boolean variable. JFM 48.1124.02
Schmidt, Karl
1922
Absolutely continuous spectrum of Dirac operators with square-integrable potentials. Zbl 1296.81024
Hughes, Daniel; Schmidt, Karl Michael
2014
Some properties and applications of non-trivial divisor functions. Zbl 1453.11005
Hill, S. L.; Huxley, M. N.; Lettington, M. C.; Schmidt, K. M.
2020
On superalgebras of matrices with symmetry properties. Zbl 1398.15014
Hill, S. L.; Lettington, M. C.; Schmidt, K. M.
2018
On the genericity of nonvanishing instability intervals in periodic Dirac systems. Zbl 0794.34076
Schmidt, Karl Michael
1993
Approximate projectors in singular spectrum analysis. Zbl 1037.15010
Moskvina, V.; Schmidt, K. M.
2003
Multistep and Runge-Kutta convolution quadrature methods for coupled dynamical systems. Zbl 1458.65082
Egger, H.; Schmidt, K.; Shashkov, V.
2021
Integer matrix factorisations, superalgebras and the quadratic form obstruction. Zbl 1467.15009
Higham, Nicholas J.; Lettington, Matthew C.; Schmidt, Karl Michael
2021
Extension of the Schoenberg theorem to integrally conditionally positive definite functions. Zbl 1401.42036
Phillips, T. R. L.; Schmidt, K. M.; Zhigljavsky, A.
2019
An extremal property of the generalized arcsine distribution. Zbl 1416.62117
Schmidt, Karl Michael; Zhigljavsky, Anatoly
2013
The HELP inequality on trees. Zbl 1165.26315
Brown, B. Malcolm; Langer, Matthias; Schmidt, Karl Michael
2008
A remark on a paper by Evans and Harris on the point spectra of Dirac operators. Zbl 1002.34076
Schmidt, Karl Michael
2001
On the integrability of differential equations by quadratures according to Maximovič. Zbl 1051.34003
Schmidt, Karl Michael
2004
Zur Berechnung des vollständigen elliptischen Integrals dritter Gattung durch Rekursion. Zbl 0257.65022
Schmidt, K.
1971
Block representation and spectral properties of constant sum matrices. Zbl 1390.15123
Hill, Sally L.; Lettington, Matthew C.; Schmidt, Karl Michael
2018
Poincaré maps of Duffing-type oscillators and their reduction to circle maps. I: Analytic results. Zbl 0771.34028
Eilenberger, G.; Schmidt, K.
1992
Poincaré maps of Duffing-type oscillators and their reduction to circle maps. II: Methods and numerical results. Zbl 0904.34030
Schmidt, K.; Eilenberger, G.
1998
Divisor functions and the number of sum systems. Zbl 1459.11013
Lettington, Matthew C.; Schmidt, Karl Michael
2020
Multistep and Runge-Kutta convolution quadrature methods for coupled dynamical systems. Zbl 1458.65082
Egger, H.; Schmidt, K.; Shashkov, V.
2021
Integer matrix factorisations, superalgebras and the quadratic form obstruction. Zbl 1467.15009
Higham, Nicholas J.; Lettington, Matthew C.; Schmidt, Karl Michael
2021
Some properties and applications of non-trivial divisor functions. Zbl 1453.11005
Hill, S. L.; Huxley, M. N.; Lettington, M. C.; Schmidt, K. M.
2020
Divisor functions and the number of sum systems. Zbl 1459.11013
Lettington, Matthew C.; Schmidt, Karl Michael
2020
On the structure of additive systems of integers. Zbl 1438.11022
Huxley, M. N.; Lettington, M. C.; Schmidt, K. M.
2019
Extension of the Schoenberg theorem to integrally conditionally positive definite functions. Zbl 1401.42036
Phillips, T. R. L.; Schmidt, K. M.; Zhigljavsky, A.
2019
On superalgebras of matrices with symmetry properties. Zbl 1398.15014
Hill, S. L.; Lettington, M. C.; Schmidt, K. M.
2018
Block representation and spectral properties of constant sum matrices. Zbl 1390.15123
Hill, Sally L.; Lettington, Matthew C.; Schmidt, Karl Michael
2018
Equivalent transmission conditions for the time-harmonic Maxwell equations in 3D for a medium with a highly conductive thin sheet. Zbl 1373.35299
Péron, V.; Schmidt, K.; Duruflé, M.
2016
Schnol’s theorem and spectral properties of massless Dirac operators with scalar potentials. Zbl 1327.35329
Schmidt, Karl Michael; Umeda, Tomio
2015
On square roots and norms of matrices with symmetry properties. Zbl 1310.15025
Brunnock, R.; Lettington, M. C.; Schmidt, K. M.
2014
Spectral properties of massless Dirac operators with real-valued potentials. Zbl 1300.81041
Schmidt, Karl Michael; Umeda, Tomio
2014
Absolutely continuous spectrum of Dirac operators with square-integrable potentials. Zbl 1296.81024
Hughes, Daniel; Schmidt, Karl Michael
2014
Periodic differential operators. Zbl 1267.34001
Brown, B. Malcolm; Eastham, Michael S. P.; Schmidt, Karl Michael
2013
An extremal property of the generalized arcsine distribution. Zbl 1416.62117
Schmidt, Karl Michael; Zhigljavsky, Anatoly
2013
On the resonances and eigenvalues for a 1D half-crystal with localised impurity. Zbl 1251.47066
Korotyaev, Evgeny L.; Schmidt, Karl Michael
2012
Spectral properties of rotationally symmetric massless Dirac operators. Zbl 1195.81057
Schmidt, Karl Michael
2010
A characterization of the arcsine distribution. Zbl 1176.62006
Schmidt, Karl Michael; Zhigljavsky, Anatoly
2009
Spectral properties of a $$q$$-Sturm–Liouville operator. Zbl 1173.47018
Brown, B. Malcolm; Christiansen, Jacob S.; Schmidt, Karl Michael
2009
Asymptotics of the spectral density for radial Dirac operators with divergent potentials. Zbl 1149.34055
Eastham, Michael S. P.; Schmidt, Karl Michael
2008
The HELP inequality on trees. Zbl 1165.26315
Brown, B. Malcolm; Langer, Matthias; Schmidt, Karl Michael
2008
On $$M$$-functions and operator theory for non-self-adjoint discrete Hamiltonian systems. Zbl 1127.39045
Monaquel, Shatha Jameel; Schmidt, Karl Michael
2007
Absence of high-energy spectral concentration for Dirac systems with divergent potentials. Zbl 1092.34047
Eastham, M. S. P.; Schmidt, K. M.
2005
Distribution of eigenvalues in gaps of the essential spectrum of Sturm-Liouville operators – a numerical approach. Zbl 1092.34045
Brown, B.; Eastham, Michael S. P.; Hinz, Andreas M.; Schmidt, Karl Michael
2004
Spectral stability of the Coulomb–Dirac Hamiltonian with anomalous magnetic moment. Zbl 1072.34099
Kalf, Hubert; Schmidt, Karl Michael
2004
On the integrability of differential equations by quadratures according to Maximovič. Zbl 1051.34003
Schmidt, Karl Michael
2004
Eigenvalue asymptotics of perturbed periodic Dirac systems in the slow-decay limit. Zbl 1027.81008
Schmidt, Karl Michael
2003
Approximate projectors in singular spectrum analysis. Zbl 1037.15010
Moskvina, V.; Schmidt, K. M.
2003
A short proof for Bargmann-type inequalities. Zbl 1045.34053
Schmidt, Karl Michael
2002
Eigenvalues in gaps of perturbed periodic Dirac operators: Numerical evidence. Zbl 1019.65057
Schmidt, Karl Michael
2002
An application of Gesztesy-Simon-Teschl oscillation theory to a problem in differential geometry. Zbl 0997.53005
Schmidt, Karl Michael
2001
A remark on a paper by Evans and Harris on the point spectra of Dirac operators. Zbl 1002.34076
Schmidt, Karl Michael
2001
Critical coupling constants and eigenvalue asymptotics of perturbed periodic Sturm-Liouville operators. Zbl 0953.34069
Schmidt, Karl Michael
2000
A remark on the essential spectra of Dirac systems. Zbl 1030.34082
Schmidt, Karl Michael
2000
Relative oscillation – non-oscillation criteria for perturbed periodic Dirac systems. Zbl 0977.34076
Schmidt, Karl Michael
2000
Oscillation of the perturbed Hill equation and the lower spectrum of radially periodic Schrödinger operators in the plane. Zbl 0918.34039
Schmidt, Karl Michael
1999
Spherically symmetric Dirac operators with variable mass and potentials infinite at infinity. Zbl 0967.35118
1998
Welsh eigenvalues of radially periodic Schrödinger operators. Zbl 0915.35076
Brown, B. Malcolm; Eastham, Michael S. P.; Hinz, Andreas M.; Kriecherbauer, Thomas; McCormack, Daniel K. R.; Schmidt, Karl Michael
1998
Poincaré maps of Duffing-type oscillators and their reduction to circle maps. II: Methods and numerical results. Zbl 0904.34030
Schmidt, K.; Eilenberger, G.
1998
Absolutely continuous spectrum of Dirac systems with potentials infinite at infinity. Zbl 0886.34074
Schmidt, Karl Michael
1997
Dense point spectrum for the one-dimensional Dirac operator with an electrostatic potential. Zbl 0859.34074
Schmidt, Karl Michael
1996
A remark on boundary value problems for the Dirac operator. Zbl 0864.35092
Schmidt, Karl Michael
1995
Dense point spectrum and absolutely continuous spectrum in spherically symmetric Dirac operators. Zbl 0826.34076
Schmidt, Karl Michael
1995
On the essential spectrum of Dirac operators with spherically symmetric potentials. Zbl 0796.35120
Schmidt, Karl Michael
1993
On the genericity of nonvanishing instability intervals in periodic Dirac systems. Zbl 0794.34076
Schmidt, Karl Michael
1993
Poincaré maps of Duffing-type oscillators and their reduction to circle maps. I: Analytic results. Zbl 0771.34028
Eilenberger, G.; Schmidt, K.
1992
Bounds in the theory of polynomial rings over fields. A nonstandard approach. Zbl 0539.13011
van den Dries, Lou; Schmidt, K.
1984
Zur Berechnung des vollständigen elliptischen Integrals dritter Gattung durch Rekursion. Zbl 0257.65022
Schmidt, K.
1971
The theory of functions of one Boolean variable. JFM 48.1124.02
Schmidt, Karl
1922
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### Cited by 174 Authors

 19 Vesely, Michal 18 Hasil, Petr 17 Schmidt, Karl Michael 9 Korotyaev, Evgeny L. 7 Lettington, Matthew C. 7 Sun, Huaqing 6 Došlý, Ondřej 6 Stockmeyer, Edgardo 5 Teschl, Gerald 5 Yamada, Osanobu 4 Behrndt, Jussi 4 Exner, Pavel 4 Ito, Hiroshi T. 4 Marletta, Marco 4 Ourmiéres-Bonafos, Thomas 4 Zemánek, Petr 3 Benguria, Rafael D. 3 Higham, Nicholas J. 3 Hill, Sally L. 3 Holzmann, Markus 3 Kostenko, Aleksey S. 3 Krüger, Helge 3 Lotoreichik, Vladimir 3 Mehringer, Josef Georg 3 Qi, Jiangang 3 Šimon Hilscher, Roman 3 Šišoláková, Jiřina 3 Zhigljavsky, Anatoly A. 2 Bachelot, Alain 2 Barbaroux, Jean-Marie 2 Chen, Shaozhu 2 Eastham, Michael S. P. 2 Eckhardt, Jonathan 2 Fournais, Søren 2 Gesztesy, Fritz 2 Hempel, Rainer 2 Le Treust, Loïc 2 Mokeev, Dmitriĭ Borisovich 2 Nichols, Roger 2 Sakhnovich, Alexander L. 2 Shi, Yuming 2 Van Den Bosch, Hanne 1 Aceto, Lidia 1 Ackermann, Nils 1 Aljawi, Salma 1 Anderson, Douglas Robert 1 Anikin, A. Yu. 1 Annaby, Mahmoud H. 1 Antunes, Pedro Ricardo Simão 1 Ayoubkhani, Daniel 1 Barrio, Roberto 1 Belgiorno, Francesco D. 1 Beschastnyi, Ivan Yu. 1 Bognár, Gabriella 1 Borovyk, Vita 1 Boscain, Ugo 1 Brown, B. Malcolm 1 Brüning, Jochen 1 Cacciatori, Sergio Luigi 1 Calvia, Alessandro 1 Cano, Alfredo 1 Capietto, Anna 1 Chen, Bang-Yen 1 Chu, Moody T. 1 Clark, Stephen L. 1 Collado, M. Joaquin 1 Connes, Alain 1 Currie, Sonja 1 Damanik, David 1 Dambrosio, Walter 1 Dette, Holger 1 Djakov, Plamen B. 1 Dobrokhotov, Sergei Yurievich 1 Donhauzer, Illia 1 Došlá, Zuzana 1 El Allali, Zakaria 1 Elton, Daniel M. 1 Federico, Salvatore 1 Fliss, Sonia 1 Fraas, Martin 1 Freitas, Pedro 1 Funková, Hana 1 Ghelardoni, Paolo 1 Gozzi, Fausto 1 Graham, Peter W. 1 Harrell, Evans M. II 1 Hassani, Hossein 1 Heravi, Saeed M. 1 Herbst, Ira W. 1 Hernández-Martínez, Eric 1 Hinchcliffe, James 1 Hinz, Andreas M. 1 Horn, Bart 1 Huxley, Martin N. 1 Iantchenko, Alexei 1 Ismail, Mourad El-Houssieny 1 Isozaki, Hiroshi 1 Jaroš, Jaroslav 1 Jing, Haibin 1 Joly, Patrick ...and 74 more Authors
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### Cited in 80 Serials

 14 Journal of Mathematical Analysis and Applications 8 Letters in Mathematical Physics 6 Abstract and Applied Analysis 5 Journal of Differential Equations 5 Linear Algebra and its Applications 5 Annales Henri Poincaré 5 Advances in Difference Equations 4 Communications in Mathematical Physics 4 Journal of Computational and Applied Mathematics 4 Applied Mathematics Letters 3 Journal of Mathematical Physics 3 Applied Mathematics and Computation 3 Integral Equations and Operator Theory 3 Journal of Functional Analysis 3 Proceedings of the American Mathematical Society 3 Proceedings of the Japan Academy. Series A 2 Computers & Mathematics with Applications 2 Mathematical Methods in the Applied Sciences 2 Numerical Algorithms 2 Russian Journal of Mathematical Physics 2 Journal of Difference Equations and Applications 2 Mathematical Physics, Analysis and Geometry 2 Journal of Inequalities and Applications 2 Open Mathematics 1 American Mathematical Monthly 1 Applicable Analysis 1 Israel Journal of Mathematics 1 Journal of the Franklin Institute 1 Linear and Multilinear Algebra 1 Mathematical Notes 1 Metrika 1 Russian Mathematical Surveys 1 Reviews in Mathematical Physics 1 Advances in Mathematics 1 Annali di Matematica Pura ed Applicata. Serie Quarta 1 The Annals of Statistics 1 Hokkaido Mathematical Journal 1 Journal of the London Mathematical Society. Second Series 1 Journal of the Mathematical Society of Japan 1 Journal für die Reine und Angewandte Mathematik 1 Mathematische Nachrichten 1 Mathematika 1 Monatshefte für Mathematik 1 Nagoya Mathematical Journal 1 Publications of the Research Institute for Mathematical Sciences, Kyoto University 1 SIAM Journal on Control and Optimization 1 Advances in Applied Mathematics 1 Asymptotic Analysis 1 Sugaku Expositions 1 Journal of Global Optimization 1 Proceedings of the Royal Society of Edinburgh. Section A. Mathematics 1 SIAM Journal on Applied Mathematics 1 Bulletin of the American Mathematical Society. New Series 1 Proceedings of the Indian Academy of Sciences. Mathematical Sciences 1 Annales de l’Institut Henri Poincaré. Physique Théorique 1 Celestial Mechanics and Dynamical Astronomy 1 Calculus of Variations and Partial Differential Equations 1 Electronic Journal of Differential Equations (EJDE) 1 NoDEA. Nonlinear Differential Equations and Applications 1 ELA. The Electronic Journal of Linear Algebra 1 Journal of Vibration and Control 1 The Ramanujan Journal 1 Revista Matemática Complutense 1 Proceedings of the Royal Society of London. Series A. Mathematical, Physical and Engineering Sciences 1 Journal of Applied Statistics 1 Journal of the European Mathematical Society (JEMS) 1 Journal of High Energy Physics 1 Integers 1 Comptes Rendus. Mathématique. Académie des Sciences, Paris 1 Boundary Value Problems 1 Stochastics 1 Proceedings of the Steklov Institute of Mathematics 1 Complex Analysis and Operator Theory 1 Journal of Physics A: Mathematical and Theoretical 1 Discrete and Continuous Dynamical Systems. Series S 1 Advances in Mathematical Physics 1 Journal of Spectral Theory 1 Quantum Studies: Mathematics and Foundations 1 European Journal of Mathematics 1 Pure and Applied Analysis
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### Cited in 30 Fields

 77 Ordinary differential equations (34-XX) 44 Operator theory (47-XX) 43 Quantum theory (81-XX) 36 Partial differential equations (35-XX) 12 Difference and functional equations (39-XX) 8 Numerical analysis (65-XX) 7 Linear and multilinear algebra; matrix theory (15-XX) 7 Functional analysis (46-XX) 7 Statistical mechanics, structure of matter (82-XX) 6 Dynamical systems and ergodic theory (37-XX) 6 Relativity and gravitational theory (83-XX) 5 Optics, electromagnetic theory (78-XX) 4 Number theory (11-XX) 4 Statistics (62-XX) 4 Mechanics of particles and systems (70-XX) 3 Global analysis, analysis on manifolds (58-XX) 2 Combinatorics (05-XX) 2 Algebraic geometry (14-XX) 2 Functions of a complex variable (30-XX) 2 Special functions (33-XX) 2 Harmonic analysis on Euclidean spaces (42-XX) 2 Calculus of variations and optimal control; optimization (49-XX) 2 Probability theory and stochastic processes (60-XX) 2 Operations research, mathematical programming (90-XX) 2 Systems theory; control (93-XX) 1 Associative rings and algebras (16-XX) 1 Real functions (26-XX) 1 Integral equations (45-XX) 1 Differential geometry (53-XX) 1 Computer science (68-XX)