Edit Profile (opens in new tab) Schmidt, Karl Michael Compute Distance To: Compute 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 all top 5 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 all top 5 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 all top 5 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) Publications by Year all cited Publications top 5 cited Publications 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 0539.13011van den Dries, Lou; Schmidt, K. 45 1984 Critical coupling constants and eigenvalue asymptotics of perturbed periodic Sturm-Liouville operators. Zbl 0953.34069Schmidt, Karl Michael 41 2000 Oscillation of the perturbed Hill equation and the lower spectrum of radially periodic Schrödinger operators in the plane. Zbl 0918.34039Schmidt, Karl Michael 28 1999 Spherically symmetric Dirac operators with variable mass and potentials infinite at infinity. Zbl 0967.35118Schmidt, Karl Michael; Yamada, Osanobu 14 1998 Periodic differential operators. Zbl 1267.34001Brown, B. Malcolm; Eastham, Michael S. P.; Schmidt, Karl Michael 14 2013 A remark on boundary value problems for the Dirac operator. Zbl 0864.35092Schmidt, Karl Michael 13 1995 On \(M\)-functions and operator theory for non-self-adjoint discrete Hamiltonian systems. Zbl 1127.39045Monaquel, Shatha Jameel; Schmidt, Karl Michael 10 2007 On the resonances and eigenvalues for a 1D half-crystal with localised impurity. Zbl 1251.47066Korotyaev, Evgeny L.; Schmidt, Karl Michael 10 2012 Dense point spectrum and absolutely continuous spectrum in spherically symmetric Dirac operators. Zbl 0826.34076Schmidt, Karl Michael 8 1995 Absolutely continuous spectrum of Dirac systems with potentials infinite at infinity. Zbl 0886.34074Schmidt, Karl Michael 8 1997 Welsh eigenvalues of radially periodic Schrödinger operators. Zbl 0915.35076Brown, B. Malcolm; Eastham, Michael S. P.; Hinz, Andreas M.; Kriecherbauer, Thomas; McCormack, Daniel K. R.; Schmidt, Karl Michael 6 1998 A remark on the essential spectra of Dirac systems. Zbl 1030.34082Schmidt, Karl Michael 5 2000 Relative oscillation – non-oscillation criteria for perturbed periodic Dirac systems. Zbl 0977.34076Schmidt, Karl Michael 5 2000 Equivalent transmission conditions for the time-harmonic Maxwell equations in 3D for a medium with a highly conductive thin sheet. Zbl 1373.35299Péron, V.; Schmidt, K.; Duruflé, M. 5 2016 Distribution of eigenvalues in gaps of the essential spectrum of Sturm-Liouville operators – a numerical approach. Zbl 1092.34045Brown, B.; Eastham, Michael S. P.; Hinz, Andreas M.; Schmidt, Karl Michael 4 2004 On the essential spectrum of Dirac operators with spherically symmetric potentials. Zbl 0796.35120Schmidt, Karl Michael 4 1993 Asymptotics of the spectral density for radial Dirac operators with divergent potentials. Zbl 1149.34055Eastham, Michael S. P.; Schmidt, Karl Michael 3 2008 On square roots and norms of matrices with symmetry properties. Zbl 1310.15025Brunnock, R.; Lettington, M. C.; Schmidt, K. M. 3 2014 A characterization of the arcsine distribution. Zbl 1176.62006Schmidt, Karl Michael; Zhigljavsky, Anatoly 3 2009 Spectral properties of rotationally symmetric massless Dirac operators. Zbl 1195.81057Schmidt, Karl Michael 3 2010 Schnol’s theorem and spectral properties of massless Dirac operators with scalar potentials. Zbl 1327.35329Schmidt, Karl Michael; Umeda, Tomio 3 2015 Eigenvalue asymptotics of perturbed periodic Dirac systems in the slow-decay limit. Zbl 1027.81008Schmidt, Karl Michael 3 2003 A short proof for Bargmann-type inequalities. Zbl 1045.34053Schmidt, Karl Michael 3 2002 Absence of high-energy spectral concentration for Dirac systems with divergent potentials. Zbl 1092.34047Eastham, M. S. P.; Schmidt, K. M. 3 2005 Dense point spectrum for the one-dimensional Dirac operator with an electrostatic potential. Zbl 0859.34074Schmidt, Karl Michael 3 1996 On the structure of additive systems of integers. Zbl 1438.11022Huxley, M. N.; Lettington, M. C.; Schmidt, K. M. 3 2019 An application of Gesztesy-Simon-Teschl oscillation theory to a problem in differential geometry. Zbl 0997.53005Schmidt, Karl Michael 2 2001 Spectral properties of massless Dirac operators with real-valued potentials. Zbl 1300.81041Schmidt, Karl Michael; Umeda, Tomio 2 2014 Spectral properties of a \(q\)-Sturm–Liouville operator. Zbl 1173.47018Brown, B. Malcolm; Christiansen, Jacob S.; Schmidt, Karl Michael 2 2009 Spectral stability of the Coulomb–Dirac Hamiltonian with anomalous magnetic moment. Zbl 1072.34099Kalf, Hubert; Schmidt, Karl Michael 2 2004 Eigenvalues in gaps of perturbed periodic Dirac operators: Numerical evidence. Zbl 1019.65057Schmidt, Karl Michael 2 2002 The theory of functions of one Boolean variable. JFM 48.1124.02Schmidt, Karl 2 1922 Absolutely continuous spectrum of Dirac operators with square-integrable potentials. Zbl 1296.81024Hughes, Daniel; Schmidt, Karl Michael 2 2014 Some properties and applications of non-trivial divisor functions. Zbl 1453.11005Hill, S. L.; Huxley, M. N.; Lettington, M. C.; Schmidt, K. M. 2 2020 On superalgebras of matrices with symmetry properties. Zbl 1398.15014Hill, S. L.; Lettington, M. C.; Schmidt, K. M. 2 2018 On the genericity of nonvanishing instability intervals in periodic Dirac systems. Zbl 0794.34076Schmidt, Karl Michael 2 1993 Approximate projectors in singular spectrum analysis. Zbl 1037.15010Moskvina, V.; Schmidt, K. M. 2 2003 Multistep and Runge-Kutta convolution quadrature methods for coupled dynamical systems. Zbl 1458.65082Egger, H.; Schmidt, K.; Shashkov, V. 2 2021 Integer matrix factorisations, superalgebras and the quadratic form obstruction. Zbl 1467.15009Higham, Nicholas J.; Lettington, Matthew C.; Schmidt, Karl Michael 2 2021 Extension of the Schoenberg theorem to integrally conditionally positive definite functions. Zbl 1401.42036Phillips, T. R. L.; Schmidt, K. M.; Zhigljavsky, A. 2 2019 An extremal property of the generalized arcsine distribution. Zbl 1416.62117Schmidt, Karl Michael; Zhigljavsky, Anatoly 1 2013 The HELP inequality on trees. Zbl 1165.26315Brown, B. Malcolm; Langer, Matthias; Schmidt, Karl Michael 1 2008 A remark on a paper by Evans and Harris on the point spectra of Dirac operators. Zbl 1002.34076Schmidt, Karl Michael 1 2001 On the integrability of differential equations by quadratures according to Maximovič. Zbl 1051.34003Schmidt, Karl Michael 1 2004 Zur Berechnung des vollständigen elliptischen Integrals dritter Gattung durch Rekursion. Zbl 0257.65022Schmidt, K. 1 1971 Block representation and spectral properties of constant sum matrices. Zbl 1390.15123Hill, Sally L.; Lettington, Matthew C.; Schmidt, Karl Michael 1 2018 Poincaré maps of Duffing-type oscillators and their reduction to circle maps. I: Analytic results. Zbl 0771.34028Eilenberger, G.; Schmidt, K. 1 1992 Poincaré maps of Duffing-type oscillators and their reduction to circle maps. II: Methods and numerical results. Zbl 0904.34030Schmidt, K.; Eilenberger, G. 1 1998 Divisor functions and the number of sum systems. Zbl 1459.11013Lettington, Matthew C.; Schmidt, Karl Michael 1 2020 Multistep and Runge-Kutta convolution quadrature methods for coupled dynamical systems. Zbl 1458.65082Egger, H.; Schmidt, K.; Shashkov, V. 2 2021 Integer matrix factorisations, superalgebras and the quadratic form obstruction. Zbl 1467.15009Higham, Nicholas J.; Lettington, Matthew C.; Schmidt, Karl Michael 2 2021 Some properties and applications of non-trivial divisor functions. Zbl 1453.11005Hill, S. L.; Huxley, M. N.; Lettington, M. C.; Schmidt, K. M. 2 2020 Divisor functions and the number of sum systems. Zbl 1459.11013Lettington, Matthew C.; Schmidt, Karl Michael 1 2020 On the structure of additive systems of integers. Zbl 1438.11022Huxley, M. N.; Lettington, M. C.; Schmidt, K. M. 3 2019 Extension of the Schoenberg theorem to integrally conditionally positive definite functions. Zbl 1401.42036Phillips, T. R. L.; Schmidt, K. M.; Zhigljavsky, A. 2 2019 On superalgebras of matrices with symmetry properties. Zbl 1398.15014Hill, S. L.; Lettington, M. C.; Schmidt, K. M. 2 2018 Block representation and spectral properties of constant sum matrices. Zbl 1390.15123Hill, Sally L.; Lettington, Matthew C.; Schmidt, Karl Michael 1 2018 Equivalent transmission conditions for the time-harmonic Maxwell equations in 3D for a medium with a highly conductive thin sheet. Zbl 1373.35299Péron, V.; Schmidt, K.; Duruflé, M. 5 2016 Schnol’s theorem and spectral properties of massless Dirac operators with scalar potentials. Zbl 1327.35329Schmidt, Karl Michael; Umeda, Tomio 3 2015 On square roots and norms of matrices with symmetry properties. Zbl 1310.15025Brunnock, R.; Lettington, M. C.; Schmidt, K. M. 3 2014 Spectral properties of massless Dirac operators with real-valued potentials. Zbl 1300.81041Schmidt, Karl Michael; Umeda, Tomio 2 2014 Absolutely continuous spectrum of Dirac operators with square-integrable potentials. Zbl 1296.81024Hughes, Daniel; Schmidt, Karl Michael 2 2014 Periodic differential operators. Zbl 1267.34001Brown, B. Malcolm; Eastham, Michael S. P.; Schmidt, Karl Michael 14 2013 An extremal property of the generalized arcsine distribution. Zbl 1416.62117Schmidt, Karl Michael; Zhigljavsky, Anatoly 1 2013 On the resonances and eigenvalues for a 1D half-crystal with localised impurity. Zbl 1251.47066Korotyaev, Evgeny L.; Schmidt, Karl Michael 10 2012 Spectral properties of rotationally symmetric massless Dirac operators. Zbl 1195.81057Schmidt, Karl Michael 3 2010 A characterization of the arcsine distribution. Zbl 1176.62006Schmidt, Karl Michael; Zhigljavsky, Anatoly 3 2009 Spectral properties of a \(q\)-Sturm–Liouville operator. Zbl 1173.47018Brown, B. Malcolm; Christiansen, Jacob S.; Schmidt, Karl Michael 2 2009 Asymptotics of the spectral density for radial Dirac operators with divergent potentials. Zbl 1149.34055Eastham, Michael S. P.; Schmidt, Karl Michael 3 2008 The HELP inequality on trees. Zbl 1165.26315Brown, B. Malcolm; Langer, Matthias; Schmidt, Karl Michael 1 2008 On \(M\)-functions and operator theory for non-self-adjoint discrete Hamiltonian systems. Zbl 1127.39045Monaquel, Shatha Jameel; Schmidt, Karl Michael 10 2007 Absence of high-energy spectral concentration for Dirac systems with divergent potentials. Zbl 1092.34047Eastham, M. S. P.; Schmidt, K. M. 3 2005 Distribution of eigenvalues in gaps of the essential spectrum of Sturm-Liouville operators – a numerical approach. Zbl 1092.34045Brown, B.; Eastham, Michael S. P.; Hinz, Andreas M.; Schmidt, Karl Michael 4 2004 Spectral stability of the Coulomb–Dirac Hamiltonian with anomalous magnetic moment. Zbl 1072.34099Kalf, Hubert; Schmidt, Karl Michael 2 2004 On the integrability of differential equations by quadratures according to Maximovič. Zbl 1051.34003Schmidt, Karl Michael 1 2004 Eigenvalue asymptotics of perturbed periodic Dirac systems in the slow-decay limit. Zbl 1027.81008Schmidt, Karl Michael 3 2003 Approximate projectors in singular spectrum analysis. Zbl 1037.15010Moskvina, V.; Schmidt, K. M. 2 2003 A short proof for Bargmann-type inequalities. Zbl 1045.34053Schmidt, Karl Michael 3 2002 Eigenvalues in gaps of perturbed periodic Dirac operators: Numerical evidence. Zbl 1019.65057Schmidt, Karl Michael 2 2002 An application of Gesztesy-Simon-Teschl oscillation theory to a problem in differential geometry. Zbl 0997.53005Schmidt, Karl Michael 2 2001 A remark on a paper by Evans and Harris on the point spectra of Dirac operators. Zbl 1002.34076Schmidt, Karl Michael 1 2001 Critical coupling constants and eigenvalue asymptotics of perturbed periodic Sturm-Liouville operators. Zbl 0953.34069Schmidt, Karl Michael 41 2000 A remark on the essential spectra of Dirac systems. Zbl 1030.34082Schmidt, Karl Michael 5 2000 Relative oscillation – non-oscillation criteria for perturbed periodic Dirac systems. Zbl 0977.34076Schmidt, Karl Michael 5 2000 Oscillation of the perturbed Hill equation and the lower spectrum of radially periodic Schrödinger operators in the plane. Zbl 0918.34039Schmidt, Karl Michael 28 1999 Spherically symmetric Dirac operators with variable mass and potentials infinite at infinity. Zbl 0967.35118Schmidt, Karl Michael; Yamada, Osanobu 14 1998 Welsh eigenvalues of radially periodic Schrödinger operators. Zbl 0915.35076Brown, B. Malcolm; Eastham, Michael S. P.; Hinz, Andreas M.; Kriecherbauer, Thomas; McCormack, Daniel K. R.; Schmidt, Karl Michael 6 1998 Poincaré maps of Duffing-type oscillators and their reduction to circle maps. II: Methods and numerical results. Zbl 0904.34030Schmidt, K.; Eilenberger, G. 1 1998 Absolutely continuous spectrum of Dirac systems with potentials infinite at infinity. Zbl 0886.34074Schmidt, Karl Michael 8 1997 Dense point spectrum for the one-dimensional Dirac operator with an electrostatic potential. Zbl 0859.34074Schmidt, Karl Michael 3 1996 A remark on boundary value problems for the Dirac operator. Zbl 0864.35092Schmidt, Karl Michael 13 1995 Dense point spectrum and absolutely continuous spectrum in spherically symmetric Dirac operators. Zbl 0826.34076Schmidt, Karl Michael 8 1995 On the essential spectrum of Dirac operators with spherically symmetric potentials. Zbl 0796.35120Schmidt, Karl Michael 4 1993 On the genericity of nonvanishing instability intervals in periodic Dirac systems. Zbl 0794.34076Schmidt, Karl Michael 2 1993 Poincaré maps of Duffing-type oscillators and their reduction to circle maps. I: Analytic results. Zbl 0771.34028Eilenberger, G.; Schmidt, K. 1 1992 Bounds in the theory of polynomial rings over fields. A nonstandard approach. Zbl 0539.13011van den Dries, Lou; Schmidt, K. 45 1984 Zur Berechnung des vollständigen elliptischen Integrals dritter Gattung durch Rekursion. Zbl 0257.65022Schmidt, K. 1 1971 The theory of functions of one Boolean variable. JFM 48.1124.02Schmidt, Karl 2 1922 all cited Publications top 5 cited Publications all top 5 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 all top 5 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 all top 5 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) Citations by Year