Edit Profile (opens in new tab) Lazer, Alan C. (b. 1938 d. 2020) Co-Author Distance Author ID: lazer.alan-c Published as: Lazer, A. C.; Lazer, Alan C.; Lazer, Alan; Lazer, A. more...less Further Spellings: Lazer, Alan Cecil External Links: MGP · dblp Documents Indexed: 111 Publications since 1965 2 Contributions as Editor Biographic References: 2 Publications Co-Authors: 32 Co-Authors with 97 Joint Publications 602 Co-Co-Authors all top 5 Co-Authors 15 single-authored 39 McKenna, Patrick Joseph 28 Ahmad, Shair 4 Castro, Alfonso 3 Bhatia, Nam Parshad 3 Landesman, Edward M. 3 Solimini, Sergio 2 Choi, Yung-Sze 2 Hart, D. C. 2 Korman, Philip L. 2 Leach, D. E. 2 Sanchez, David A. 2 Szegö, Giorgio 2 Tineo, Antonio R. 1 Anderson, Larry R. 1 Berkey, Dennis D. 1 Cac, Nguyen Phuong 1 Cosner, Chris 1 Fonda, Alessandro 1 Garcia, Felix L. 1 Hastings, Stuart P. 1 Hess, Peter 1 Jiang, Jifa 1 Keener, Marvin S. 1 Leckband, Mark 1 Leighton, Walter jun. 1 Leung, Anthony Wing-Kwok 1 Li, Yi 1 Meyers, David R. 1 Murio, Diego A. 1 Paul, Jerome L. 1 Pellico, R. H. 1 Zhao, Jiandong all top 5 Serials 12 Journal of Mathematical Analysis and Applications 12 Nonlinear Analysis. Theory, Methods & Applications 8 Proceedings of the American Mathematical Society 6 Journal of Differential Equations 5 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 4 Annali di Matematica Pura ed Applicata. Serie Quarta 4 Differential and Integral Equations 4 SIAM Journal on Mathematical Analysis 3 Pacific Journal of Mathematics 3 Transactions of the American Mathematical Society 2 Mathematics Magazine 2 Journal of Computational and Applied Mathematics 2 Michigan Mathematical Journal 2 Communications in Partial Differential Equations 2 SIAM Journal on Applied Mathematics 2 Bollettino della Unione Matemàtica Italiana. Serie VI. B 2 Electronic Journal of Differential Equations (EJDE) 1 American Mathematical Monthly 1 Applicable Analysis 1 Houston Journal of Mathematics 1 Journal of the Australian Mathematical Society, Series B 1 Mathematical Methods in the Applied Sciences 1 ZAMP. Zeitschrift für angewandte Mathematik und Physik 1 Applied Mathematics and Computation 1 Czechoslovak Mathematical Journal 1 Indiana University Mathematics Journal 1 Journal für die Reine und Angewandte Mathematik 1 Revista Colombiana de Matemáticas 1 Annales de l’Institut Henri Poincaré. Analyse Non Linéaire 1 Revista de Matemáticas Aplicadas 1 Proceedings of the Royal Society of Edinburgh. Section A. Mathematics 1 SIAM Review 1 Nonlinear World 1 Discrete and Continuous Dynamical Systems 1 Nonlinear Analysis. Real World Applications 1 Mathematical Sciences Research Journal 1 Bollettino della Unione Matematica Italiana. Series V. B 1 Bulletin of the American Mathematical Society 1 Journal of Mathematics and Mechanics all top 5 Fields 56 Ordinary differential equations (34-XX) 40 Partial differential equations (35-XX) 14 Biology and other natural sciences (92-XX) 9 Operator theory (47-XX) 8 Global analysis, analysis on manifolds (58-XX) 4 Mechanics of particles and systems (70-XX) 4 Mechanics of deformable solids (74-XX) 2 General and overarching topics; collections (00-XX) 2 Functions of a complex variable (30-XX) 2 Dynamical systems and ergodic theory (37-XX) 2 Numerical analysis (65-XX) 1 Linear and multilinear algebra; matrix theory (15-XX) 1 Real functions (26-XX) 1 Approximations and expansions (41-XX) 1 Harmonic analysis on Euclidean spaces (42-XX) 1 Integral equations (45-XX) 1 Functional analysis (46-XX) 1 Calculus of variations and optimal control; optimization (49-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 102 Publications have been cited 3,950 times in 2,936 Documents Cited by ▼ Year ▼ Large-amplitude periodic oscillations in suspension bridges: Some new connections with nonlinear analysis. Zbl 0725.73057 Lazer, A. C.; McKenna, P. J. 403 1990 On a singular nonlinear elliptic boundary-value problem. Zbl 0727.35057 Lazer, A. C.; McKenna, P. J. 393 1991 Nonlinear perturbations of linear elliptic boundary value problems at resonance. Zbl 0193.39203 Landesman, E. M.; Lazer, A. C. 342 1970 On periodic solutions of nonlinear differential equations with singularities. Zbl 0616.34033 Lazer, A. C.; Solimini, S. 154 1987 Asymptotic behavior of solutions of boundary blow-up problems. Zbl 0811.35010 Lazer, A. C.; McKenna, P. J. 117 1994 Stable coexistence states in the Volterra-Lotka competition model with diffusion. Zbl 0562.92012 Cosner, Chris; Lazer, A. C. 109 1984 Bounded perturbations of forced harmonic oscillators at resonance. Zbl 0194.12003 Lazer, A. C.; Leach, D. E. 107 1969 Elementary critical point theory and perturbations of elliptic boundary value problems at resonance. Zbl 0351.35036 Ahmad, S.; Lazer, A. C.; Paul, J. L. 102 1976 On a problem of Bieberbach and Rademacher. Zbl 0833.35052 Lazer, A. C.; McKenna, P. J. 99 1993 On singular boundary value problems for the Monge-Ampère operator. Zbl 0856.35042 Lazer, A. C.; McKenna, P. J. 85 1996 Critical point theory and the number of solutions of a nonlinear Dirichlet problem. Zbl 0426.35038 Castro, Alfonso; Lazer, A. C. 81 1979 Average conditions for global asymptotic stability in a nonautonomous Lotka-Volterra system. Zbl 0955.34041 Ahmad, Shair; Lazer, Alan C. 80 2000 Nontrivial solutions of operator equations and Morse indices of critical points of min-max type. Zbl 0667.47036 Lazer, A. C.; Solimini, S. 80 1988 Homoclinic orbits for a class of symmetric Hamiltonian systems. Zbl 0788.34042 Korman, Philip; Lazer, Alan C. 79 1994 An application of topological degree to the periodic competings species problem. Zbl 0625.92018 Alvarez, Carlos; Lazer, Alan C. 73 1986 On the number of solutions of a nonlinear Dirichlet problem. Zbl 0496.35039 Lazer, A. C.; McKenna, P. J. 73 1981 The behavior of solutions of the differential equation \(y'''+p(x)y'+q(x)y = 0\). Zbl 0143.31501 Lazer, A. C. 73 1966 On Schauder’s fixed point theorem and forced second-order nonlinear oscillations. Zbl 0155.14001 Lazer, A. C. 70 1968 Global bifurcation and a theorem of Tarantello. Zbl 0797.34021 Lazer, A. C.; McKenna, P. J. 68 1994 Large scale oscillatory behaviour in loaded asymmetric systems. Zbl 0633.34037 Lazer, A. C.; McKenna, P. J. 65 1987 Application of a lemma on bilinear forms to a problem in nonlinear oscillations. Zbl 0257.34041 Lazer, A. C. 61 1972 On an abstract competition model and applications. Zbl 0743.35033 Hess, Peter; Lazer, Alan C. 61 1991 On a conjecture related to the number of solutions of a nonlinear Dirichlet problem. Zbl 0533.35037 Lazer, A. C.; McKenna, P. J. 59 1983 Asymptotic behaviour of solutions of periodic competition diffusion system. Zbl 0686.35060 Ahmad, Shair; Lazer, Alan C. 58 1989 Existence and stability of large scale nonlinear oscillations in suspension bridges. Zbl 0677.73046 Glover, J.; Lazer, A. C.; McKenna, P. J. 55 1989 Necessary and sufficient average growth in a Lotka-Volterra system. Zbl 0934.34037 Ahmad, Shair; Lazer, Alan C. 45 1998 The permanence and global attractivity in a nonautonomous Lotka–Volterra system. Zbl 1085.34040 Zhao, Jiandong; Jiang, Jifa; Lazer, Alan C. 41 2004 On periodically perturbed conservative systems. Zbl 0187.34501 Lazer, A. C.; Sanchez, D. A. 38 1969 On steady state solutions of a system of reaction-diffusion equations from biology. Zbl 0488.35039 Lazer, A. C.; McKenna, P. J. 35 1982 Multiplicity results for a class of semilinear elliptic and parabolic boundary value problems. Zbl 0584.35053 Lazer, A. C.; McKenna, P. J. 34 1985 Existence, uniqueness, and stability of oscillations in differential equations with asymmetric nonlinearities. Zbl 0725.34042 Lazer, A. C.; McKenna, P. J. 34 1989 A symmetry theorem and applications to nonlinear partial differential equations. Zbl 0666.47038 Lazer, A. C.; McKenna, P. J. 32 1988 On a nonlinear two-point boundary value problem. Zbl 0195.37701 Lazer, A. C.; Leach, D. E. 32 1969 Linear eigenvalues and a nonlinear boundary value problem. Zbl 0204.12002 Landesman, E. M.; Lazer, A. C. 32 1970 On saddle point problems in the calculus of variations, the Rity algorithm, and monotone convergence. Zbl 0354.35004 Lazer, A. C.; Landesman, E. M.; Meyers, David R. 30 1975 Average growth and extinction in a competitive Lotka–Volterra system. Zbl 1088.34047 Ahmad, Shair; Lazer, Alan C. 30 2005 Characteristic exponents and diagonally dominant linear differential systems. Zbl 0215.43901 Lazer, A. C. 28 1971 Subharmonic solutions of conservative systems with nonconvex potentials. Zbl 0752.34027 Fonda, A.; Lazer, A. C. 27 1992 A semi-Fredholm principle for periodically forced systems with homogeneous nonlinearities. Zbl 0683.34027 Lazer, A. C.; Mckenna, P. J. 25 1989 Critical point theory and boundary value problems with nonlinearities crossing multiple eigenvalues. II. Zbl 0654.35082 Lazer, A. C.; McKenna, P. J. 25 1986 Critical point theory and boundary value problems with nonlinearities crossing multiple eigenvalues. Zbl 0572.35036 Lazer, A. C.; McKenna, P. J. 24 1985 On the existence of stable periodic solutions of differential equations of Duffing type. Zbl 0714.34067 Lazer, A. C.; McKenna, P. J. 23 1990 An elementary approach to traveling front solutions to a system of \(N\) competition-diffusion equations. Zbl 0737.35029 Ahmad, Shair; Lazer, A. C. 22 1991 Average growth and total permanence in a competitive Lotka-Volterra System. Zbl 1162.34329 Ahmad, Shair; Lazer, Alan C. 22 2006 On nonautonomous \(n\)-competing species problems. Zbl 0859.34033 Ahmad, Shair; Lazer, A. C. 21 1995 An \(n\)-dimensional extension of the Sturm separation and comparison theory to a class of nonselfadjoint systems. Zbl 0409.34029 Ahmad, Shair; Lazer, A. C. 19 1978 On species extinction in an autonomous competition model. Zbl 0846.34043 Ahmad, Shair; Lazer, Alan C. 18 1996 Multiple solutions of two point boundary value problems with jumping nonlinearities. Zbl 0576.34017 Hart, D. C.; Lazer, A. C.; McKenna, P. J. 18 1985 Some remarks on a singular elliptic boundary value problem. Zbl 0940.35089 Choi, Y. S.; Lazer, A. C.; McKenna, P. J. 18 1998 On a singular quasilinear anisotropic elliptic boundary value problem. Zbl 0835.35049 Choi, Y. S.; Lazer, A. C.; McKenna, P. J. 16 1995 On homoclinic and heteroclinic orbits of Hamiltonian systems. Zbl 0897.34045 Korman, P.; Lazer, A. C.; Li, Y. 15 1997 On periodic solutions of weakly coupled systems of differential equations. Zbl 0487.34037 Castro, Alfonso; Lazer, Alan C. 15 1981 Results on periodic solutions of parabolic equations suggested by elliptic theory. Zbl 0501.35005 Castro, Alfonso; Lazer, Alan C. 14 1982 Multiplicity results for a semilinear boundary value problem with the nonlinearity crossing higher eigenvalues. Zbl 0582.35049 Lazer, A. C.; McKenna, P. J. 13 1985 On the components of extremal solutions of second order systems. Zbl 0384.34021 Ahmad, Shair; Lazer, Alan C. 13 1977 Applications of a max-min principle. Zbl 0356.35073 Castro, Alfonso; Lazer, A. C. 13 1976 Multiplicity of solutions of nonlinear boundary value problems. Zbl 0615.34011 Hart, D. C.; Lazer, A. C.; McKenna, P. J. 11 1986 Periodic bouncing for a forced linear spring with obstacle. Zbl 0757.34033 Lazer, A. C.; McKenna, P. J. 11 1992 Monotone scheme for finite difference equations concerning steady-state prey-predator interactions. Zbl 0494.65052 Lazer, Alan C.; Leung, Anthony W.; Murio, Diego A. 10 1982 On global weak attractors in dynamical systems. Zbl 0147.23101 Bhatia, Nam P.; Lazer, Alan C.; Szegö, George P. 10 1966 Multiplicity of solutions of nonlinear boundary value problems with nonlinearities crossing several higher eigenvalues. Zbl 0588.35036 Lazer, A. C.; McKenna, P. J. 9 1986 Critical point theory and a theorem of Amaral and Pera. Zbl 0603.34036 Ahmad, S.; Lazer, A. 9 1984 Small periodic perturbations of a class of conservative systems. Zbl 0287.34039 Lazer, A. C. 9 1973 A stability for the differential equation \(y''+p(x) y = 0\). Zbl 0125.32501 Lazer, A. C. 9 1965 On the oscillatory behavior of a class of linear third order differential equations. Zbl 0167.07903 Ahmad, S.; Lazer, A. C. 9 1969 Periodic equilibria under periodic harvesting. Zbl 0539.92026 Lazer, A. C.; Sanchez, D. A. 8 1984 On nth-order Sturmian theory. Zbl 0444.34036 Ahmad, Shair; Lazer, Alan C. 8 1980 On a property of nonautonomous Lotka-Volterra competition model. Zbl 0930.34038 Ahmad, Shair; Lazer, A. C. 7 1999 Some remarks on parabolic solutions of parabolic differential equations. Zbl 0551.35044 Lazer, Alan C. 7 1982 Non-linear flexings in a periodically forced floating beam. Zbl 0723.35079 Lazer, A. C.; McKenna, P. J. 7 1991 Positive operators and Sturmian theory of nonselfadjoint second-order systems. Zbl 0454.34029 Ahmad, Shair; Lazer, Alan C. 7 1978 On an extension of Sturm’s comparison theorem to a class of nonselfadjoint second-order systems. Zbl 0454.34031 Ahmad, Shair; Lazer, Alan C. 7 1980 A new generalization of the Sturm comparison theorem to selfadjoint systems. Zbl 0379.34006 Ahmad, Shair; Lazer, Alan C. 7 1978 On travelling waves in a suspension bridge model as the wave speed goes to zero. Zbl 1228.34065 Lazer, A. C.; McKenna, P. J. 7 2011 A second look at the first result of Landesman-Lazer type. Zbl 0970.34033 Lazer, Alan C. 5 2000 Component properties of second order linear systems. Zbl 0362.34007 Ahmad, Shair; Lazer, A. C. 5 1976 Nontrivial solutions of operator equations and Morse indices of critical points of min-max type. Zbl 0619.58011 Lazer, A. C.; Solimini, S. 5 1986 Introduction to multiplicity theory for boundary value problems with asymmetric nonlinearities. Zbl 0674.35032 Lazer, Alan 5 1988 Traveling waves for a system of equations. Zbl 1153.34325 Ahmad, Shair; Lazer, Alan C.; Tineo, Antonio 5 2008 On second order, periodic, symmetric, differential systems having subharmonics of all sufficiently large orders. Zbl 0853.34039 Các, N. P.; Lazer, A. C. 4 1996 Application of the Poincaré-Bendixson theorem. Zbl 0144.22403 Bhatia, N. P.; Lazer, A. C.; Leighton, W. 4 1966 On the asymptotic behavior of solutions of the differential equation \(y^{(4)} = p(t)y\). Zbl 0157.14901 Hastings, S. P.; Lazer, A. C. 4 1968 Separated solutions of logistic equation with nonperiodic harvesting. Zbl 1366.34020 Ahmad, Shair; Lazer, Alan C. 4 2017 Topological degree and symmetric families of periodic solutions of nondissipative second-order systems. Zbl 0346.34022 Lazer, A. C. 3 1975 A singular elliptic boundary value problem. Zbl 0817.35027 Lazer, A. C.; McKenna, P. J. 3 1994 Recent multiplicity results for nonlinear boundary value problems. Zbl 0559.35029 Lazer, A. C.; McKenna, P. J. 3 1984 Fredholm theory for periodic solutions of some semilinear p.d.e.s with homogeneous nonlinearities. Zbl 0712.35065 Lazer, A. C.; McKenna, P. J. 3 1990 On an extension of the Sturm comparison theorem. Zbl 0479.34015 Ahmad, Shair; Lazer, Alan C. 3 1981 On Schauder’s fixed point theorem and forced second-order nonlinear oscillations. Zbl 0189.39001 Lazer, A. C. 3 1967 On a property of a generalized Kolmogorov population model. Zbl 1270.34040 Ahmad, Shair; Lazer, Alan C. 3 2013 Nonlinear periodic flexing in a floating beam. Zbl 0810.73024 Lazer, Alan C.; McKenna, P. J. 2 1994 Open problems in nonlinear ordinary boundary value problems arising from the study of large-amplitude periodic oscillations in suspension bridges. Zbl 0847.34024 Lazer, A. C.; McKenna, P. J. 2 1996 On limitations to the solution set of some nonlinear problems. Zbl 0551.35040 Lazer, Alan C.; McKenna, P. J. 2 1982 On the computation of periodic solutions of weakly nonlinear differential equations. Zbl 0173.18003 Lazer, A. C. 2 1967 On the asymptotic behavior of solutions of the differential equation \(y''+ p(x)y = 0\). Zbl 0134.30404 Lazer, A. C. 2 1965 On multiple solutions of a nonlinear Dirichlet problem. Zbl 0603.35033 Lazer, A. C.; McKenna, P. J. 1 1980 An abstract theorem in nonlinear analysis. Zbl 1319.35042 Lazer, A. C.; McKenna, P. J. 1 2014 Differential equations. Proceedings of the Eight Fall Conference on Differential Equations Held at Oklahoma State University, Stillwater, October 1979. Zbl 0566.00006 1 1980 Nonresonance conditions for the existence, uniqueness, and stability of periodic solutions of differential equations with a symmetric nonlinearities. Zbl 0731.34039 Lazer, A. C.; McKenna, P. J. 1 1991 On the role of Hopf’s maximum principle in elliptic Sturmian theory. Zbl 0424.35032 Ahmad, Shair; Lazer, Alan C. 1 1979 Separated solutions of logistic equation with nonperiodic harvesting. Zbl 1366.34020 Ahmad, Shair; Lazer, Alan C. 4 2017 An abstract theorem in nonlinear analysis. Zbl 1319.35042 Lazer, A. C.; McKenna, P. J. 1 2014 On a property of a generalized Kolmogorov population model. Zbl 1270.34040 Ahmad, Shair; Lazer, Alan C. 3 2013 On travelling waves in a suspension bridge model as the wave speed goes to zero. Zbl 1228.34065 Lazer, A. C.; McKenna, P. J. 7 2011 The fundamental theorem of algebra via the Fourier inversion formula. Zbl 1208.30008 Lazer, Alan C.; Leckband, Mark 1 2010 Traveling waves for a system of equations. Zbl 1153.34325 Ahmad, Shair; Lazer, Alan C.; Tineo, Antonio 5 2008 Average growth and total permanence in a competitive Lotka-Volterra System. Zbl 1162.34329 Ahmad, Shair; Lazer, Alan C. 22 2006 Average growth and extinction in a competitive Lotka–Volterra system. Zbl 1088.34047 Ahmad, Shair; Lazer, Alan C. 30 2005 The permanence and global attractivity in a nonautonomous Lotka–Volterra system. Zbl 1085.34040 Zhao, Jiandong; Jiang, Jifa; Lazer, Alan C. 41 2004 Average conditions for global asymptotic stability in a nonautonomous Lotka-Volterra system. Zbl 0955.34041 Ahmad, Shair; Lazer, Alan C. 80 2000 A second look at the first result of Landesman-Lazer type. Zbl 0970.34033 Lazer, Alan C. 5 2000 On a property of nonautonomous Lotka-Volterra competition model. Zbl 0930.34038 Ahmad, Shair; Lazer, A. C. 7 1999 Necessary and sufficient average growth in a Lotka-Volterra system. Zbl 0934.34037 Ahmad, Shair; Lazer, Alan C. 45 1998 Some remarks on a singular elliptic boundary value problem. Zbl 0940.35089 Choi, Y. S.; Lazer, A. C.; McKenna, P. J. 18 1998 On homoclinic and heteroclinic orbits of Hamiltonian systems. Zbl 0897.34045 Korman, P.; Lazer, A. C.; Li, Y. 15 1997 On singular boundary value problems for the Monge-Ampère operator. Zbl 0856.35042 Lazer, A. C.; McKenna, P. J. 85 1996 On species extinction in an autonomous competition model. Zbl 0846.34043 Ahmad, Shair; Lazer, Alan C. 18 1996 On second order, periodic, symmetric, differential systems having subharmonics of all sufficiently large orders. Zbl 0853.34039 Các, N. P.; Lazer, A. C. 4 1996 Open problems in nonlinear ordinary boundary value problems arising from the study of large-amplitude periodic oscillations in suspension bridges. Zbl 0847.34024 Lazer, A. C.; McKenna, P. J. 2 1996 On nonautonomous \(n\)-competing species problems. Zbl 0859.34033 Ahmad, Shair; Lazer, A. C. 21 1995 On a singular quasilinear anisotropic elliptic boundary value problem. Zbl 0835.35049 Choi, Y. S.; Lazer, A. C.; McKenna, P. J. 16 1995 Asymptotic behavior of solutions of boundary blow-up problems. Zbl 0811.35010 Lazer, A. C.; McKenna, P. J. 117 1994 Homoclinic orbits for a class of symmetric Hamiltonian systems. Zbl 0788.34042 Korman, Philip; Lazer, Alan C. 79 1994 Global bifurcation and a theorem of Tarantello. Zbl 0797.34021 Lazer, A. C.; McKenna, P. J. 68 1994 A singular elliptic boundary value problem. Zbl 0817.35027 Lazer, A. C.; McKenna, P. J. 3 1994 Nonlinear periodic flexing in a floating beam. Zbl 0810.73024 Lazer, Alan C.; McKenna, P. J. 2 1994 On a problem of Bieberbach and Rademacher. Zbl 0833.35052 Lazer, A. C.; McKenna, P. J. 99 1993 Subharmonic solutions of conservative systems with nonconvex potentials. Zbl 0752.34027 Fonda, A.; Lazer, A. C. 27 1992 Periodic bouncing for a forced linear spring with obstacle. Zbl 0757.34033 Lazer, A. C.; McKenna, P. J. 11 1992 On a singular nonlinear elliptic boundary-value problem. Zbl 0727.35057 Lazer, A. C.; McKenna, P. J. 393 1991 On an abstract competition model and applications. Zbl 0743.35033 Hess, Peter; Lazer, Alan C. 61 1991 An elementary approach to traveling front solutions to a system of \(N\) competition-diffusion equations. Zbl 0737.35029 Ahmad, Shair; Lazer, A. C. 22 1991 Non-linear flexings in a periodically forced floating beam. Zbl 0723.35079 Lazer, A. C.; McKenna, P. J. 7 1991 Nonresonance conditions for the existence, uniqueness, and stability of periodic solutions of differential equations with a symmetric nonlinearities. Zbl 0731.34039 Lazer, A. C.; McKenna, P. J. 1 1991 Large-amplitude periodic oscillations in suspension bridges: Some new connections with nonlinear analysis. Zbl 0725.73057 Lazer, A. C.; McKenna, P. J. 403 1990 On the existence of stable periodic solutions of differential equations of Duffing type. Zbl 0714.34067 Lazer, A. C.; McKenna, P. J. 23 1990 Fredholm theory for periodic solutions of some semilinear p.d.e.s with homogeneous nonlinearities. Zbl 0712.35065 Lazer, A. C.; McKenna, P. J. 3 1990 Asymptotic behaviour of solutions of periodic competition diffusion system. Zbl 0686.35060 Ahmad, Shair; Lazer, Alan C. 58 1989 Existence and stability of large scale nonlinear oscillations in suspension bridges. Zbl 0677.73046 Glover, J.; Lazer, A. C.; McKenna, P. J. 55 1989 Existence, uniqueness, and stability of oscillations in differential equations with asymmetric nonlinearities. Zbl 0725.34042 Lazer, A. C.; McKenna, P. J. 34 1989 A semi-Fredholm principle for periodically forced systems with homogeneous nonlinearities. Zbl 0683.34027 Lazer, A. C.; Mckenna, P. J. 25 1989 Nontrivial solutions of operator equations and Morse indices of critical points of min-max type. Zbl 0667.47036 Lazer, A. C.; Solimini, S. 80 1988 A symmetry theorem and applications to nonlinear partial differential equations. Zbl 0666.47038 Lazer, A. C.; McKenna, P. J. 32 1988 Introduction to multiplicity theory for boundary value problems with asymmetric nonlinearities. Zbl 0674.35032 Lazer, Alan 5 1988 On periodic solutions of nonlinear differential equations with singularities. Zbl 0616.34033 Lazer, A. C.; Solimini, S. 154 1987 Large scale oscillatory behaviour in loaded asymmetric systems. Zbl 0633.34037 Lazer, A. C.; McKenna, P. J. 65 1987 An application of topological degree to the periodic competings species problem. Zbl 0625.92018 Alvarez, Carlos; Lazer, Alan C. 73 1986 Critical point theory and boundary value problems with nonlinearities crossing multiple eigenvalues. II. Zbl 0654.35082 Lazer, A. C.; McKenna, P. J. 25 1986 Multiplicity of solutions of nonlinear boundary value problems. Zbl 0615.34011 Hart, D. C.; Lazer, A. C.; McKenna, P. J. 11 1986 Multiplicity of solutions of nonlinear boundary value problems with nonlinearities crossing several higher eigenvalues. Zbl 0588.35036 Lazer, A. C.; McKenna, P. J. 9 1986 Nontrivial solutions of operator equations and Morse indices of critical points of min-max type. Zbl 0619.58011 Lazer, A. C.; Solimini, S. 5 1986 Multiplicity results for a class of semilinear elliptic and parabolic boundary value problems. Zbl 0584.35053 Lazer, A. C.; McKenna, P. J. 34 1985 Critical point theory and boundary value problems with nonlinearities crossing multiple eigenvalues. Zbl 0572.35036 Lazer, A. C.; McKenna, P. J. 24 1985 Multiple solutions of two point boundary value problems with jumping nonlinearities. Zbl 0576.34017 Hart, D. C.; Lazer, A. C.; McKenna, P. J. 18 1985 Multiplicity results for a semilinear boundary value problem with the nonlinearity crossing higher eigenvalues. Zbl 0582.35049 Lazer, A. C.; McKenna, P. J. 13 1985 Stable coexistence states in the Volterra-Lotka competition model with diffusion. Zbl 0562.92012 Cosner, Chris; Lazer, A. C. 109 1984 Critical point theory and a theorem of Amaral and Pera. Zbl 0603.34036 Ahmad, S.; Lazer, A. 9 1984 Periodic equilibria under periodic harvesting. Zbl 0539.92026 Lazer, A. C.; Sanchez, D. A. 8 1984 Recent multiplicity results for nonlinear boundary value problems. Zbl 0559.35029 Lazer, A. C.; McKenna, P. J. 3 1984 On a conjecture related to the number of solutions of a nonlinear Dirichlet problem. Zbl 0533.35037 Lazer, A. C.; McKenna, P. J. 59 1983 On steady state solutions of a system of reaction-diffusion equations from biology. Zbl 0488.35039 Lazer, A. C.; McKenna, P. J. 35 1982 Results on periodic solutions of parabolic equations suggested by elliptic theory. Zbl 0501.35005 Castro, Alfonso; Lazer, Alan C. 14 1982 Monotone scheme for finite difference equations concerning steady-state prey-predator interactions. Zbl 0494.65052 Lazer, Alan C.; Leung, Anthony W.; Murio, Diego A. 10 1982 Some remarks on parabolic solutions of parabolic differential equations. Zbl 0551.35044 Lazer, Alan C. 7 1982 On limitations to the solution set of some nonlinear problems. Zbl 0551.35040 Lazer, Alan C.; McKenna, P. J. 2 1982 On the number of solutions of a nonlinear Dirichlet problem. Zbl 0496.35039 Lazer, A. C.; McKenna, P. J. 73 1981 On periodic solutions of weakly coupled systems of differential equations. Zbl 0487.34037 Castro, Alfonso; Lazer, Alan C. 15 1981 On an extension of the Sturm comparison theorem. Zbl 0479.34015 Ahmad, Shair; Lazer, Alan C. 3 1981 On nth-order Sturmian theory. Zbl 0444.34036 Ahmad, Shair; Lazer, Alan C. 8 1980 On an extension of Sturm’s comparison theorem to a class of nonselfadjoint second-order systems. Zbl 0454.34031 Ahmad, Shair; Lazer, Alan C. 7 1980 On multiple solutions of a nonlinear Dirichlet problem. Zbl 0603.35033 Lazer, A. C.; McKenna, P. J. 1 1980 Differential equations. Proceedings of the Eight Fall Conference on Differential Equations Held at Oklahoma State University, Stillwater, October 1979. Zbl 0566.00006 1 1980 Critical point theory and the number of solutions of a nonlinear Dirichlet problem. Zbl 0426.35038 Castro, Alfonso; Lazer, A. C. 81 1979 On the role of Hopf’s maximum principle in elliptic Sturmian theory. Zbl 0424.35032 Ahmad, Shair; Lazer, Alan C. 1 1979 An \(n\)-dimensional extension of the Sturm separation and comparison theory to a class of nonselfadjoint systems. Zbl 0409.34029 Ahmad, Shair; Lazer, A. C. 19 1978 Positive operators and Sturmian theory of nonselfadjoint second-order systems. Zbl 0454.34029 Ahmad, Shair; Lazer, Alan C. 7 1978 A new generalization of the Sturm comparison theorem to selfadjoint systems. Zbl 0379.34006 Ahmad, Shair; Lazer, Alan C. 7 1978 On the components of extremal solutions of second order systems. Zbl 0384.34021 Ahmad, Shair; Lazer, Alan C. 13 1977 Elementary critical point theory and perturbations of elliptic boundary value problems at resonance. Zbl 0351.35036 Ahmad, S.; Lazer, A. C.; Paul, J. L. 102 1976 Applications of a max-min principle. Zbl 0356.35073 Castro, Alfonso; Lazer, A. C. 13 1976 Component properties of second order linear systems. Zbl 0362.34007 Ahmad, Shair; Lazer, A. C. 5 1976 On saddle point problems in the calculus of variations, the Rity algorithm, and monotone convergence. Zbl 0354.35004 Lazer, A. C.; Landesman, E. M.; Meyers, David R. 30 1975 Topological degree and symmetric families of periodic solutions of nondissipative second-order systems. Zbl 0346.34022 Lazer, A. C. 3 1975 Small periodic perturbations of a class of conservative systems. Zbl 0287.34039 Lazer, A. C. 9 1973 Application of a lemma on bilinear forms to a problem in nonlinear oscillations. Zbl 0257.34041 Lazer, A. C. 61 1972 Characteristic exponents and diagonally dominant linear differential systems. Zbl 0215.43901 Lazer, A. C. 28 1971 Nonlinear perturbations of linear elliptic boundary value problems at resonance. Zbl 0193.39203 Landesman, E. M.; Lazer, A. C. 342 1970 Linear eigenvalues and a nonlinear boundary value problem. Zbl 0204.12002 Landesman, E. M.; Lazer, A. C. 32 1970 On the solutions of a class of linear selfadjoint differential equations. Zbl 0211.39801 Anderson, Larry R.; Lazer, A. C. 1 1970 Bounded perturbations of forced harmonic oscillators at resonance. Zbl 0194.12003 Lazer, A. C.; Leach, D. E. 107 1969 On periodically perturbed conservative systems. Zbl 0187.34501 Lazer, A. C.; Sanchez, D. A. 38 1969 On a nonlinear two-point boundary value problem. Zbl 0195.37701 Lazer, A. C.; Leach, D. E. 32 1969 On the oscillatory behavior of a class of linear third order differential equations. Zbl 0167.07903 Ahmad, S.; Lazer, A. C. 9 1969 On Schauder’s fixed point theorem and forced second-order nonlinear oscillations. Zbl 0155.14001 Lazer, A. C. 70 1968 On the asymptotic behavior of solutions of the differential equation \(y^{(4)} = p(t)y\). Zbl 0157.14901 Hastings, S. P.; Lazer, A. C. 4 1968 On Schauder’s fixed point theorem and forced second-order nonlinear oscillations. Zbl 0189.39001 Lazer, A. C. 3 1967 On the computation of periodic solutions of weakly nonlinear differential equations. Zbl 0173.18003 Lazer, A. C. 2 1967 The behavior of solutions of the differential equation \(y'''+p(x)y'+q(x)y = 0\). Zbl 0143.31501 Lazer, A. C. 73 1966 On global weak attractors in dynamical systems. Zbl 0147.23101 Bhatia, Nam P.; Lazer, Alan C.; Szegö, George P. 10 1966 Application of the Poincaré-Bendixson theorem. Zbl 0144.22403 Bhatia, N. P.; Lazer, A. C.; Leighton, W. 4 1966 ...and 2 more Documents all cited Publications top 5 cited Publications all top 5 Cited by 2,458 Authors 65 Papageorgiou, Nikolaos S. 43 McKenna, Patrick Joseph 42 Lazer, Alan C. 41 Zanolin, Fabio 40 Zhang, Zhijun 35 Ahmad, Shair 35 Tang, Chun-Lei 27 Fonda, Alessandro 27 Mawhin, Jean 26 Ma, Ruyun 25 Rădulescu, Vicenţiu D. 23 Choi, Q-Heung 23 Schechter, Martin 22 Drábek, Pavel 22 Santos, Carlos Alberto P. 21 Jung, Tacksun 20 Tang, Xianhua 19 Dancer, Edward Norman 19 Feng, Meiqiang 19 Yang, Zuodong 19 Zhang, Ziheng 18 Chen, Fengde 18 Korman, Philip L. 18 Lu, Shiping 17 Cheng, Zhibo 17 Ma, Qiaozhen 17 Su, Jiabao 16 Abreu Goncalves, Jose Valdo 16 López-Gómez, Julián 16 Torres, Pedro José 16 Wang, Zaihong 15 Amster, Pablo 15 Mohammed, Ahmed 15 Omari, Pierpaolo 15 Teng, Zhi-dong 14 Kannan, Rangachary 14 Oliva, Francescantonio 14 Tineo, Antonio R. 14 Zhang, Xuemei 13 Agarwal, Ravi P. 13 Choudhuri, Debajyoti 13 Chu, Jifeng 13 Du, Yihong 13 Garain, Prashanta 13 Gasiński, Leszek 13 Mâagli, Habib 13 Yuan, Rong 12 Castro, Alfonso 12 Li, Shujie 12 Li, Xiong 12 Pao, Chia-Ven 12 Sciunzi, Berardino 12 Wan, Haitao 12 Wang, Yuanming 12 Xia, Yonghui 11 Li, Shengjun 11 Ortega, Rafael 11 Porru, Giovanni 11 Solimini, Sergio 10 Chen, Haibo 10 Cosner, Chris 10 Costa, David Goldstein 10 Feng, Wei 10 Gazzola, Filippo 10 Han, Zhiqing 10 Hirano, Norimichi 10 Holubová, Gabriela 10 Krasnosel’skiĭ, Aleksandr Markovich 10 Nieto Roig, Juan Jose 10 Repovš, Dušan D. 10 Sanchez, Luís 10 Ward, James Robert jun. 10 Zhang, Jihui 10 Zhao, Xiao-Qiang 9 Cantrell, Robert Stephen 9 Cesari, Lamberto 9 Choi, Yung-Sze 9 Cîrstea, Florica-Corina Şt. 9 Da Silva, Edcarlos Domingos 9 García-Melián, Jorge 9 Godoy, Tomás F. 9 Hou, Zhanyuan 9 Mi, Ling 9 Nkashama, Mubenga N. 9 Qian, Dingbian 9 Terracini, Susanna 9 Vetro, Calogero 9 Wu, Xingping 8 An, Yukun 8 Cañada Villar, Antonio 8 Canino, Annamaria 8 Chen, Lansun 8 Guedes de Figueiredo, Djairo 8 Faraci, Francesca 8 Garrione, Maurizio 8 Ghosh, Sekhar 8 Guo, Zongming 8 Huang, Shuibo 8 Lisena, Benedetta 8 Liu, Bin ...and 2,358 more Authors all top 5 Cited in 313 Serials 373 Journal of Mathematical Analysis and Applications 261 Nonlinear Analysis. 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Zeitschrift für angewandte Mathematik und Physik 27 Journal of Functional Analysis 24 Discrete and Continuous Dynamical Systems 23 Advances in Difference Equations 22 Journal of Computational and Applied Mathematics 22 Mathematische Nachrichten 21 Mathematical Methods in the Applied Sciences 21 Rocky Mountain Journal of Mathematics 19 NoDEA. Nonlinear Differential Equations and Applications 19 Communications on Pure and Applied Analysis 18 Czechoslovak Mathematical Journal 18 Acta Mathematica Sinica. English Series 18 Advances in Nonlinear Analysis 17 Results in Mathematics 16 Electronic Journal of Differential Equations (EJDE) 16 Discrete and Continuous Dynamical Systems. 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Neuvième Série 6 Opuscula Mathematica 6 Nonlinear Dynamics 6 Journal of Applied Mathematics 6 Acta Mathematica Scientia. Series B. (English Edition) 6 International Journal of Differential Equations 5 Journal d’Analyse Mathématique 5 Mathematical Biosciences 5 Advances in Mathematics 5 Numerische Mathematik 5 Rendiconti del Seminario Matematico della Università di Padova 5 Applied Mathematics and Mechanics. (English Edition) 5 Asymptotic Analysis 5 Journal of Nonlinear Science 5 Communications in Contemporary Mathematics 5 Mathematical Modelling and Analysis 5 Milan Journal of Mathematics 5 Boletim da Sociedade Paranaense de Matemática. Terceira Série 5 Science China. Mathematics 5 Analysis and Mathematical Physics 5 SN Partial Differential Equations and Applications 4 Journal of Mathematical Biology 4 Ukrainian Mathematical Journal ...and 213 more Serials all top 5 Cited in 49 Fields 1,643 Partial differential equations (35-XX) 1,160 Ordinary differential equations (34-XX) 394 Operator theory (47-XX) 361 Biology and other natural sciences (92-XX) 275 Dynamical systems and ergodic theory (37-XX) 252 Global analysis, analysis on manifolds (58-XX) 113 Mechanics of deformable solids (74-XX) 84 Calculus of variations and optimal control; optimization (49-XX) 81 Numerical analysis (65-XX) 69 Mechanics of particles and systems (70-XX) 52 Difference and functional equations (39-XX) 35 Systems theory; control (93-XX) 26 Potential theory (31-XX) 26 Functional analysis (46-XX) 22 Integral equations (45-XX) 18 Probability theory and stochastic processes (60-XX) 15 Differential geometry (53-XX) 13 Real functions (26-XX) 13 Fluid mechanics (76-XX) 10 Algebraic topology (55-XX) 9 Quantum theory (81-XX) 8 Linear and multilinear algebra; matrix theory (15-XX) 8 General topology (54-XX) 6 Manifolds and cell complexes (57-XX) 5 Functions of a complex variable (30-XX) 5 Approximations and expansions (41-XX) 5 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 4 Topological groups, Lie groups (22-XX) 4 Statistical mechanics, structure of matter (82-XX) 3 Measure and integration (28-XX) 3 Several complex variables and analytic spaces (32-XX) 3 Optics, electromagnetic theory (78-XX) 2 Harmonic analysis on Euclidean spaces (42-XX) 2 Abstract harmonic analysis (43-XX) 2 Computer science (68-XX) 2 Operations research, mathematical programming (90-XX) 2 Information and communication theory, circuits (94-XX) 1 General and overarching topics; collections (00-XX) 1 History and biography (01-XX) 1 Combinatorics (05-XX) 1 Number theory (11-XX) 1 Field theory and polynomials (12-XX) 1 Nonassociative rings and algebras (17-XX) 1 Group theory and generalizations (20-XX) 1 Special functions (33-XX) 1 Integral transforms, operational calculus (44-XX) 1 Classical thermodynamics, heat transfer (80-XX) 1 Relativity and gravitational theory (83-XX) 1 Astronomy and astrophysics (85-XX) Citations by Year