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: 31 Co-Authors with 96 Joint Publications 563 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 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 101 Publications have been cited 3,687 times in 2,725 Documents Cited by ▼ Year ▼ Large-amplitude periodic oscillations in suspension bridges: Some new connections with nonlinear analysis. Zbl 0725.73057Lazer, A. C.; McKenna, P. J. 357 1990 On a singular nonlinear elliptic boundary-value problem. Zbl 0727.35057Lazer, A. C.; McKenna, P. J. 344 1991 Nonlinear perturbations of linear elliptic boundary value problems at resonance. Zbl 0193.39203Landesman, E. M.; Lazer, A. C. 332 1970 On periodic solutions of nonlinear differential equations with singularities. Zbl 0616.34033Lazer, A. C.; Solimini, S. 150 1987 Asymptotic behavior of solutions of boundary blow-up problems. Zbl 0811.35010Lazer, A. C.; McKenna, P. J. 115 1994 Stable coexistence states in the Volterra-Lotka competition model with diffusion. Zbl 0562.92012Cosner, Chris; Lazer, A. C. 103 1984 Elementary critical point theory and perturbations of elliptic boundary value problems at resonance. Zbl 0351.35036Ahmad, S.; Lazer, A. C.; Paul, J. L. 102 1976 Bounded perturbations of forced harmonic oscillators at resonance. Zbl 0194.12003Lazer, A. C.; Leach, D. E. 100 1969 On a problem of Bieberbach and Rademacher. Zbl 0833.35052Lazer, A. C.; McKenna, P. J. 96 1993 Critical point theory and the number of solutions of a nonlinear Dirichlet problem. Zbl 0426.35038Castro, Alfonso; Lazer, A. C. 80 1979 Nontrivial solutions of operator equations and Morse indices of critical points of min-max type. Zbl 0667.47036Lazer, A. C.; Solimini, S. 79 1988 Average conditions for global asymptotic stability in a nonautonomous Lotka-Volterra system. Zbl 0955.34041Ahmad, Shair; Lazer, Alan C. 77 2000 On singular boundary value problems for the Monge-Ampère operator. Zbl 0856.35042Lazer, A. C.; McKenna, P. J. 76 1996 An application of topological degree to the periodic competings species problem. Zbl 0625.92018Alvarez, Carlos; Lazer, Alan C. 73 1986 The behavior of solutions of the differential equation \(y'''+p(x)y'+q(x)y = 0\). Zbl 0143.31501Lazer, A. C. 72 1966 On the number of solutions of a nonlinear Dirichlet problem. Zbl 0496.35039Lazer, A. C.; McKenna, P. J. 70 1981 On Schauder’s fixed point theorem and forced second-order nonlinear oscillations. Zbl 0155.14001Lazer, A. C. 70 1968 Global bifurcation and a theorem of Tarantello. Zbl 0797.34021Lazer, A. C.; McKenna, P. J. 61 1994 Large scale oscillatory behaviour in loaded asymmetric systems. Zbl 0633.34037Lazer, A. C.; McKenna, P. J. 60 1987 Application of a lemma on bilinear forms to a problem in nonlinear oscillations. Zbl 0257.34041Lazer, A. C. 60 1972 On an abstract competition model and applications. Zbl 0743.35033Hess, Peter; Lazer, Alan C. 58 1991 On a conjecture related to the number of solutions of a nonlinear Dirichlet problem. Zbl 0533.35037Lazer, A. C.; McKenna, P. J. 57 1983 Existence and stability of large scale nonlinear oscillations in suspension bridges. Zbl 0677.73046Glover, J.; Lazer, A. C.; McKenna, P. J. 50 1989 Asymptotic behaviour of solutions of periodic competition diffusion system. Zbl 0686.35060Ahmad, Shair; Lazer, Alan C. 45 1989 Necessary and sufficient average growth in a Lotka-Volterra system. Zbl 0934.34037Ahmad, Shair; Lazer, Alan C. 44 1998 The permanence and global attractivity in a nonautonomous Lotka–Volterra system. Zbl 1085.34040Zhao, Jiandong; Jiang, Jifa; Lazer, Alan C. 39 2004 On periodically perturbed conservative systems. Zbl 0187.34501Lazer, A. C.; Sanchez, D. A. 38 1969 Homoclinic orbits for a class of symmetric Hamiltonian systems. Zbl 0788.34042Korman, Philip; Lazer, Alan C. 36 1994 Multiplicity results for a class of semilinear elliptic and parabolic boundary value problems. Zbl 0584.35053Lazer, A. C.; McKenna, P. J. 34 1985 On steady state solutions of a system of reaction-diffusion equations from biology. Zbl 0488.35039Lazer, A. C.; McKenna, P. J. 32 1982 Existence, uniqueness, and stability of oscillations in differential equations with asymmetric nonlinearities. Zbl 0725.34042Lazer, A. C.; McKenna, P. J. 32 1989 On a nonlinear two-point boundary value problem. Zbl 0195.37701Lazer, A. C.; Leach, D. E. 32 1969 Linear eigenvalues and a nonlinear boundary value problem. Zbl 0204.12002Landesman, E. M.; Lazer, A. C. 32 1970 On saddle point problems in the calculus of variations, the Rity algorithm, and monotone convergence. Zbl 0354.35004Lazer, A. C.; Landesman, E. M.; Meyers, David R. 30 1975 A symmetry theorem and applications to nonlinear partial differential equations. Zbl 0666.47038Lazer, A. C.; McKenna, P. J. 30 1988 Average growth and extinction in a competitive Lotka–Volterra system. Zbl 1088.34047Ahmad, Shair; Lazer, Alan C. 28 2005 Subharmonic solutions of conservative systems with nonconvex potentials. Zbl 0752.34027Fonda, A.; Lazer, A. C. 27 1992 Characteristic exponents and diagonally dominant linear differential systems. Zbl 0215.43901Lazer, A. C. 27 1971 Critical point theory and boundary value problems with nonlinearities crossing multiple eigenvalues. Zbl 0572.35036Lazer, A. C.; McKenna, P. J. 24 1985 Critical point theory and boundary value problems with nonlinearities crossing multiple eigenvalues. II. Zbl 0654.35082Lazer, A. C.; McKenna, P. J. 24 1986 A semi-Fredholm principle for periodically forced systems with homogeneous nonlinearities. Zbl 0683.34027Lazer, A. C.; Mckenna, P. J. 23 1989 Average growth and total permanence in a competitive Lotka-Volterra System. Zbl 1162.34329Ahmad, Shair; Lazer, Alan C. 22 2006 An elementary approach to traveling front solutions to a system of \(N\) competition-diffusion equations. Zbl 0737.35029Ahmad, Shair; Lazer, A. C. 22 1991 On the existence of stable periodic solutions of differential equations of Duffing type. Zbl 0714.34067Lazer, A. C.; McKenna, P. J. 20 1990 On nonautonomous \(n\)-competing species problems. Zbl 0859.34033Ahmad, Shair; Lazer, A. C. 19 1995 An \(n\)-dimensional extension of the Sturm separation and comparison theory to a class of nonselfadjoint systems. Zbl 0409.34029Ahmad, Shair; Lazer, A. C. 19 1978 Multiple solutions of two point boundary value problems with jumping nonlinearities. Zbl 0576.34017Hart, D. C.; Lazer, A. C.; McKenna, P. J. 18 1985 On species extinction in an autonomous competition model. Zbl 0846.34043Ahmad, Shair; Lazer, Alan C. 18 1996 Some remarks on a singular elliptic boundary value problem. Zbl 0940.35089Choi, Y. S.; Lazer, A. C.; McKenna, P. J. 18 1998 On a singular quasilinear anisotropic elliptic boundary value problem. Zbl 0835.35049Choi, Y. S.; Lazer, A. C.; McKenna, P. J. 16 1995 On homoclinic and heteroclinic orbits of Hamiltonian systems. Zbl 0897.34045Korman, P.; Lazer, A. C.; Li, Y. 15 1997 On periodic solutions of weakly coupled systems of differential equations. Zbl 0487.34037Castro, Alfonso; Lazer, Alan C. 14 1981 Results on periodic solutions of parabolic equations suggested by elliptic theory. Zbl 0501.35005Castro, Alfonso; Lazer, Alan C. 14 1982 Multiplicity results for a semilinear boundary value problem with the nonlinearity crossing higher eigenvalues. Zbl 0582.35049Lazer, A. C.; McKenna, P. J. 13 1985 Applications of a max-min principle. Zbl 0356.35073Castro, Alfonso; Lazer, A. C. 13 1976 On the components of extremal solutions of second order systems. Zbl 0384.34021Ahmad, Shair; Lazer, Alan C. 13 1977 Multiplicity of solutions of nonlinear boundary value problems. Zbl 0615.34011Hart, D. C.; Lazer, A. C.; McKenna, P. J. 11 1986 Periodic bouncing for a forced linear spring with obstacle. Zbl 0757.34033Lazer, A. C.; McKenna, P. J. 10 1992 Monotone scheme for finite difference equations concerning steady-state prey-predator interactions. Zbl 0494.65052Lazer, Alan C.; Leung, Anthony W.; Murio, Diego A. 10 1982 On global weak attractors in dynamical systems. Zbl 0147.23101Bhatia, 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 0588.35036Lazer, A. C.; McKenna, P. J. 9 1986 Critical point theory and a theorem of Amaral and Pera. Zbl 0603.34036Ahmad, S.; Lazer, A. 9 1984 On the oscillatory behavior of a class of linear third order differential equations. Zbl 0167.07903Ahmad, S.; Lazer, A. C. 9 1969 A stability for the differential equation \(y''+p(x) y = 0\). Zbl 0125.32501Lazer, A. C. 9 1965 Periodic equilibria under periodic harvesting. Zbl 0539.92026Lazer, A. C.; Sanchez, D. A. 8 1984 On nth-order Sturmian theory. Zbl 0444.34036Ahmad, Shair; Lazer, Alan C. 8 1980 Small periodic perturbations of a class of conservative systems. Zbl 0287.34039Lazer, A. C. 8 1973 On travelling waves in a suspension bridge model as the wave speed goes to zero. Zbl 1228.34065Lazer, A. C.; McKenna, P. J. 7 2011 Non-linear flexings in a periodically forced floating beam. Zbl 0723.35079Lazer, A. C.; McKenna, P. J. 7 1991 A new generalization of the Sturm comparison theorem to selfadjoint systems. Zbl 0379.34006Ahmad, Shair; Lazer, Alan C. 7 1978 On an extension of Sturm’s comparison theorem to a class of nonselfadjoint second-order systems. Zbl 0454.34031Ahmad, Shair; Lazer, Alan C. 7 1980 On a property of nonautonomous Lotka-Volterra competition model. Zbl 0930.34038Ahmad, Shair; Lazer, A. C. 7 1999 A second look at the first result of Landesman-Lazer type. Zbl 0970.34033Lazer, Alan C. 5 2000 Nontrivial solutions of operator equations and Morse indices of critical points of min-max type. Zbl 0619.58011Lazer, A. C.; Solimini, S. 5 1986 Component properties of second order linear systems. Zbl 0362.34007Ahmad, Shair; Lazer, A. C. 5 1976 Traveling waves for a system of equations. Zbl 1153.34325Ahmad, Shair; Lazer, Alan C.; Tineo, Antonio 5 2008 Separated solutions of logistic equation with nonperiodic harvesting. Zbl 1366.34020Ahmad, Shair; Lazer, Alan C. 4 2017 On second order, periodic, symmetric, differential systems having subharmonics of all sufficiently large orders. Zbl 0853.34039Các, N. P.; Lazer, A. C. 4 1996 On the asymptotic behavior of solutions of the differential equation \(y^{(4)} = p(t)y\). Zbl 0157.14901Hastings, S. P.; Lazer, A. C. 4 1968 Application of the Poincaré-Bendixson theorem. Zbl 0144.22403Bhatia, N. P.; Lazer, A. C.; Leighton, W. 4 1966 A singular elliptic boundary value problem. Zbl 0817.35027Lazer, A. C.; McKenna, P. J. 3 1994 Recent multiplicity results for nonlinear boundary value problems. Zbl 0559.35029Lazer, A. C.; McKenna, P. J. 3 1984 On an extension of the Sturm comparison theorem. Zbl 0479.34015Ahmad, Shair; Lazer, Alan C. 3 1981 On a property of a generalized Kolmogorov population model. Zbl 1270.34040Ahmad, Shair; Lazer, Alan C. 3 2013 Topological degree and symmetric families of periodic solutions of nondissipative second-order systems. Zbl 0346.34022Lazer, A. C. 3 1975 Positive operators and Sturmian theory of nonselfadjoint second-order systems. Zbl 0454.34029Ahmad, Shair; Lazer, Alan C. 3 1978 On Schauder’s fixed point theorem and forced second-order nonlinear oscillations. Zbl 0189.39001Lazer, A. C. 3 1967 Nonlinear periodic flexing in a floating beam. Zbl 0810.73024Lazer, Alan C.; McKenna, P. J. 2 1994 Some remarks on parabolic solutions of parabolic differential equations. Zbl 0551.35044Lazer, Alan C. 2 1982 Open problems in nonlinear ordinary boundary value problems arising from the study of large-amplitude periodic oscillations in suspension bridges. Zbl 0847.34024Lazer, A. C.; McKenna, P. J. 2 1996 Fredholm theory for periodic solutions of some semilinear p.d.e.s with homogeneous nonlinearities. Zbl 0712.35065Lazer, A. C.; McKenna, P. J. 2 1990 Introduction to multiplicity theory for boundary value problems with asymmetric nonlinearities. Zbl 0674.35032Lazer, Alan 2 1988 On the computation of periodic solutions of weakly nonlinear differential equations. Zbl 0173.18003Lazer, A. C. 2 1967 On the asymptotic behavior of solutions of the differential equation \(y''+ p(x)y = 0\). Zbl 0134.30404Lazer, A. C. 2 1965 On limitations to the solution set of some nonlinear problems. Zbl 0551.35040Lazer, Alan C.; McKenna, P. J. 1 1982 On multiple solutions of a nonlinear Dirichlet problem. Zbl 0603.35033Lazer, A. C.; McKenna, P. J. 1 1980 Nonresonance conditions for the existence, uniqueness, and stability of periodic solutions of differential equations with a symmetric nonlinearities. Zbl 0731.34039Lazer, A. C.; McKenna, P. J. 1 1991 On the role of Hopf’s maximum principle in elliptic Sturmian theory. Zbl 0424.35032Ahmad, Shair; Lazer, Alan C. 1 1979 The fundamental theorem of algebra via the Fourier inversion formula. Zbl 1208.30008Lazer, Alan C.; Leckband, Mark 1 2010 An abstract theorem in nonlinear analysis. Zbl 1319.35042Lazer, A. C.; McKenna, P. J. 1 2014 Separated solutions of logistic equation with nonperiodic harvesting. Zbl 1366.34020Ahmad, Shair; Lazer, Alan C. 4 2017 An abstract theorem in nonlinear analysis. Zbl 1319.35042Lazer, A. C.; McKenna, P. J. 1 2014 On a property of a generalized Kolmogorov population model. Zbl 1270.34040Ahmad, Shair; Lazer, Alan C. 3 2013 On travelling waves in a suspension bridge model as the wave speed goes to zero. Zbl 1228.34065Lazer, A. C.; McKenna, P. J. 7 2011 The fundamental theorem of algebra via the Fourier inversion formula. Zbl 1208.30008Lazer, Alan C.; Leckband, Mark 1 2010 Traveling waves for a system of equations. Zbl 1153.34325Ahmad, Shair; Lazer, Alan C.; Tineo, Antonio 5 2008 Average growth and total permanence in a competitive Lotka-Volterra System. Zbl 1162.34329Ahmad, Shair; Lazer, Alan C. 22 2006 Average growth and extinction in a competitive Lotka–Volterra system. Zbl 1088.34047Ahmad, Shair; Lazer, Alan C. 28 2005 The permanence and global attractivity in a nonautonomous Lotka–Volterra system. Zbl 1085.34040Zhao, Jiandong; Jiang, Jifa; Lazer, Alan C. 39 2004 Average conditions for global asymptotic stability in a nonautonomous Lotka-Volterra system. Zbl 0955.34041Ahmad, Shair; Lazer, Alan C. 77 2000 A second look at the first result of Landesman-Lazer type. Zbl 0970.34033Lazer, Alan C. 5 2000 On a property of nonautonomous Lotka-Volterra competition model. Zbl 0930.34038Ahmad, Shair; Lazer, A. C. 7 1999 Necessary and sufficient average growth in a Lotka-Volterra system. Zbl 0934.34037Ahmad, Shair; Lazer, Alan C. 44 1998 Some remarks on a singular elliptic boundary value problem. Zbl 0940.35089Choi, Y. S.; Lazer, A. C.; McKenna, P. J. 18 1998 On homoclinic and heteroclinic orbits of Hamiltonian systems. Zbl 0897.34045Korman, P.; Lazer, A. C.; Li, Y. 15 1997 On singular boundary value problems for the Monge-Ampère operator. Zbl 0856.35042Lazer, A. C.; McKenna, P. J. 76 1996 On species extinction in an autonomous competition model. Zbl 0846.34043Ahmad, Shair; Lazer, Alan C. 18 1996 On second order, periodic, symmetric, differential systems having subharmonics of all sufficiently large orders. Zbl 0853.34039Các, 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 0847.34024Lazer, A. C.; McKenna, P. J. 2 1996 On nonautonomous \(n\)-competing species problems. Zbl 0859.34033Ahmad, Shair; Lazer, A. C. 19 1995 On a singular quasilinear anisotropic elliptic boundary value problem. Zbl 0835.35049Choi, Y. S.; Lazer, A. C.; McKenna, P. J. 16 1995 Asymptotic behavior of solutions of boundary blow-up problems. Zbl 0811.35010Lazer, A. C.; McKenna, P. J. 115 1994 Global bifurcation and a theorem of Tarantello. Zbl 0797.34021Lazer, A. C.; McKenna, P. J. 61 1994 Homoclinic orbits for a class of symmetric Hamiltonian systems. Zbl 0788.34042Korman, Philip; Lazer, Alan C. 36 1994 A singular elliptic boundary value problem. Zbl 0817.35027Lazer, A. C.; McKenna, P. J. 3 1994 Nonlinear periodic flexing in a floating beam. Zbl 0810.73024Lazer, Alan C.; McKenna, P. J. 2 1994 On a problem of Bieberbach and Rademacher. Zbl 0833.35052Lazer, A. C.; McKenna, P. J. 96 1993 Subharmonic solutions of conservative systems with nonconvex potentials. Zbl 0752.34027Fonda, A.; Lazer, A. C. 27 1992 Periodic bouncing for a forced linear spring with obstacle. Zbl 0757.34033Lazer, A. C.; McKenna, P. J. 10 1992 On a singular nonlinear elliptic boundary-value problem. Zbl 0727.35057Lazer, A. C.; McKenna, P. J. 344 1991 On an abstract competition model and applications. Zbl 0743.35033Hess, Peter; Lazer, Alan C. 58 1991 An elementary approach to traveling front solutions to a system of \(N\) competition-diffusion equations. Zbl 0737.35029Ahmad, Shair; Lazer, A. C. 22 1991 Non-linear flexings in a periodically forced floating beam. Zbl 0723.35079Lazer, 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 0731.34039Lazer, A. C.; McKenna, P. J. 1 1991 Large-amplitude periodic oscillations in suspension bridges: Some new connections with nonlinear analysis. Zbl 0725.73057Lazer, A. C.; McKenna, P. J. 357 1990 On the existence of stable periodic solutions of differential equations of Duffing type. Zbl 0714.34067Lazer, A. C.; McKenna, P. J. 20 1990 Fredholm theory for periodic solutions of some semilinear p.d.e.s with homogeneous nonlinearities. Zbl 0712.35065Lazer, A. C.; McKenna, P. J. 2 1990 Existence and stability of large scale nonlinear oscillations in suspension bridges. Zbl 0677.73046Glover, J.; Lazer, A. C.; McKenna, P. J. 50 1989 Asymptotic behaviour of solutions of periodic competition diffusion system. Zbl 0686.35060Ahmad, Shair; Lazer, Alan C. 45 1989 Existence, uniqueness, and stability of oscillations in differential equations with asymmetric nonlinearities. Zbl 0725.34042Lazer, A. C.; McKenna, P. J. 32 1989 A semi-Fredholm principle for periodically forced systems with homogeneous nonlinearities. Zbl 0683.34027Lazer, A. C.; Mckenna, P. J. 23 1989 Nontrivial solutions of operator equations and Morse indices of critical points of min-max type. Zbl 0667.47036Lazer, A. C.; Solimini, S. 79 1988 A symmetry theorem and applications to nonlinear partial differential equations. Zbl 0666.47038Lazer, A. C.; McKenna, P. J. 30 1988 Introduction to multiplicity theory for boundary value problems with asymmetric nonlinearities. Zbl 0674.35032Lazer, Alan 2 1988 On periodic solutions of nonlinear differential equations with singularities. Zbl 0616.34033Lazer, A. C.; Solimini, S. 150 1987 Large scale oscillatory behaviour in loaded asymmetric systems. Zbl 0633.34037Lazer, A. C.; McKenna, P. J. 60 1987 An application of topological degree to the periodic competings species problem. Zbl 0625.92018Alvarez, Carlos; Lazer, Alan C. 73 1986 Critical point theory and boundary value problems with nonlinearities crossing multiple eigenvalues. II. Zbl 0654.35082Lazer, A. C.; McKenna, P. J. 24 1986 Multiplicity of solutions of nonlinear boundary value problems. Zbl 0615.34011Hart, 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 0588.35036Lazer, A. C.; McKenna, P. J. 9 1986 Nontrivial solutions of operator equations and Morse indices of critical points of min-max type. Zbl 0619.58011Lazer, A. C.; Solimini, S. 5 1986 Multiplicity results for a class of semilinear elliptic and parabolic boundary value problems. Zbl 0584.35053Lazer, A. C.; McKenna, P. J. 34 1985 Critical point theory and boundary value problems with nonlinearities crossing multiple eigenvalues. Zbl 0572.35036Lazer, A. C.; McKenna, P. J. 24 1985 Multiple solutions of two point boundary value problems with jumping nonlinearities. Zbl 0576.34017Hart, 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 0582.35049Lazer, A. C.; McKenna, P. J. 13 1985 Stable coexistence states in the Volterra-Lotka competition model with diffusion. Zbl 0562.92012Cosner, Chris; Lazer, A. C. 103 1984 Critical point theory and a theorem of Amaral and Pera. Zbl 0603.34036Ahmad, S.; Lazer, A. 9 1984 Periodic equilibria under periodic harvesting. Zbl 0539.92026Lazer, A. C.; Sanchez, D. A. 8 1984 Recent multiplicity results for nonlinear boundary value problems. Zbl 0559.35029Lazer, A. C.; McKenna, P. J. 3 1984 On a conjecture related to the number of solutions of a nonlinear Dirichlet problem. Zbl 0533.35037Lazer, A. C.; McKenna, P. J. 57 1983 On steady state solutions of a system of reaction-diffusion equations from biology. Zbl 0488.35039Lazer, A. C.; McKenna, P. J. 32 1982 Results on periodic solutions of parabolic equations suggested by elliptic theory. Zbl 0501.35005Castro, Alfonso; Lazer, Alan C. 14 1982 Monotone scheme for finite difference equations concerning steady-state prey-predator interactions. Zbl 0494.65052Lazer, Alan C.; Leung, Anthony W.; Murio, Diego A. 10 1982 Some remarks on parabolic solutions of parabolic differential equations. Zbl 0551.35044Lazer, Alan C. 2 1982 On limitations to the solution set of some nonlinear problems. Zbl 0551.35040Lazer, Alan C.; McKenna, P. J. 1 1982 On the number of solutions of a nonlinear Dirichlet problem. Zbl 0496.35039Lazer, A. C.; McKenna, P. J. 70 1981 On periodic solutions of weakly coupled systems of differential equations. Zbl 0487.34037Castro, Alfonso; Lazer, Alan C. 14 1981 On an extension of the Sturm comparison theorem. Zbl 0479.34015Ahmad, Shair; Lazer, Alan C. 3 1981 On nth-order Sturmian theory. Zbl 0444.34036Ahmad, Shair; Lazer, Alan C. 8 1980 On an extension of Sturm’s comparison theorem to a class of nonselfadjoint second-order systems. Zbl 0454.34031Ahmad, Shair; Lazer, Alan C. 7 1980 On multiple solutions of a nonlinear Dirichlet problem. Zbl 0603.35033Lazer, A. C.; McKenna, P. J. 1 1980 Critical point theory and the number of solutions of a nonlinear Dirichlet problem. Zbl 0426.35038Castro, Alfonso; Lazer, A. C. 80 1979 On the role of Hopf’s maximum principle in elliptic Sturmian theory. Zbl 0424.35032Ahmad, Shair; Lazer, Alan C. 1 1979 An \(n\)-dimensional extension of the Sturm separation and comparison theory to a class of nonselfadjoint systems. Zbl 0409.34029Ahmad, Shair; Lazer, A. C. 19 1978 A new generalization of the Sturm comparison theorem to selfadjoint systems. Zbl 0379.34006Ahmad, Shair; Lazer, Alan C. 7 1978 Positive operators and Sturmian theory of nonselfadjoint second-order systems. Zbl 0454.34029Ahmad, Shair; Lazer, Alan C. 3 1978 On the components of extremal solutions of second order systems. Zbl 0384.34021Ahmad, Shair; Lazer, Alan C. 13 1977 Elementary critical point theory and perturbations of elliptic boundary value problems at resonance. Zbl 0351.35036Ahmad, S.; Lazer, A. C.; Paul, J. L. 102 1976 Applications of a max-min principle. Zbl 0356.35073Castro, Alfonso; Lazer, A. C. 13 1976 Component properties of second order linear systems. Zbl 0362.34007Ahmad, Shair; Lazer, A. C. 5 1976 On saddle point problems in the calculus of variations, the Rity algorithm, and monotone convergence. Zbl 0354.35004Lazer, A. C.; Landesman, E. M.; Meyers, David R. 30 1975 Topological degree and symmetric families of periodic solutions of nondissipative second-order systems. Zbl 0346.34022Lazer, A. C. 3 1975 Small periodic perturbations of a class of conservative systems. Zbl 0287.34039Lazer, A. C. 8 1973 Application of a lemma on bilinear forms to a problem in nonlinear oscillations. Zbl 0257.34041Lazer, A. C. 60 1972 Characteristic exponents and diagonally dominant linear differential systems. Zbl 0215.43901Lazer, A. C. 27 1971 Nonlinear perturbations of linear elliptic boundary value problems at resonance. Zbl 0193.39203Landesman, E. M.; Lazer, A. C. 332 1970 Linear eigenvalues and a nonlinear boundary value problem. Zbl 0204.12002Landesman, E. M.; Lazer, A. C. 32 1970 On the solutions of a class of linear selfadjoint differential equations. Zbl 0211.39801Anderson, Larry R.; Lazer, A. C. 1 1970 Bounded perturbations of forced harmonic oscillators at resonance. Zbl 0194.12003Lazer, A. C.; Leach, D. E. 100 1969 On periodically perturbed conservative systems. Zbl 0187.34501Lazer, A. C.; Sanchez, D. A. 38 1969 On a nonlinear two-point boundary value problem. Zbl 0195.37701Lazer, A. C.; Leach, D. E. 32 1969 On the oscillatory behavior of a class of linear third order differential equations. Zbl 0167.07903Ahmad, S.; Lazer, A. C. 9 1969 On Schauder’s fixed point theorem and forced second-order nonlinear oscillations. Zbl 0155.14001Lazer, A. C. 70 1968 On the asymptotic behavior of solutions of the differential equation \(y^{(4)} = p(t)y\). Zbl 0157.14901Hastings, S. P.; Lazer, A. C. 4 1968 On Schauder’s fixed point theorem and forced second-order nonlinear oscillations. Zbl 0189.39001Lazer, A. C. 3 1967 On the computation of periodic solutions of weakly nonlinear differential equations. Zbl 0173.18003Lazer, A. C. 2 1967 The behavior of solutions of the differential equation \(y'''+p(x)y'+q(x)y = 0\). Zbl 0143.31501Lazer, A. C. 72 1966 On global weak attractors in dynamical systems. Zbl 0147.23101Bhatia, Nam P.; Lazer, Alan C.; Szegö, George P. 10 1966 Application of the Poincaré-Bendixson theorem. Zbl 0144.22403Bhatia, N. P.; Lazer, A. C.; Leighton, W. 4 1966 A stability for the differential equation \(y''+p(x) y = 0\). Zbl 0125.32501Lazer, A. C. 9 1965 ...and 1 more Documents all cited Publications top 5 cited Publications all top 5 Cited by 2,284 Authors 57 Papageorgiou, Nikolaos S. 43 McKenna, Patrick Joseph 42 Lazer, Alan C. 40 Zanolin, Fabio 39 Zhang, Zhijun 35 Ahmad, Shair 28 Tang, Chun-Lei 27 Fonda, Alessandro 27 Mawhin, Jean L. 23 Choi, Q-Heung 23 Ma, Ruyun 23 Rădulescu, Vicenţiu D. 23 Schechter, Martin 22 Santos, Carlos Alberto P. 21 Drábek, Pavel 21 Jung, Tacksun 19 Dancer, Edward Norman 19 Yang, Zuodong 18 Chen, Fengde 17 Cheng, Zhibo 17 Su, Jiabao 17 Torres, Pedro José 16 Chu, Jifeng 16 Korman, Philip L. 16 López-Gómez, Julián 16 Ma, Qiaozhen 16 Wang, Zaihong 15 Amster, Pablo 15 Abreu Goncalves, Jose Valdo 15 Lu, Shiping 15 Tang, Xianhua 15 Teng, Zhi-dong 15 Zhang, Ziheng 14 Feng, Meiqiang 14 Kannan, Rangachary 14 Mohammed, Ahmed 14 Omari, Pierpaolo 14 Tineo, Antonio R. 13 Du, Yihong 13 Gasiński, Leszek 13 Mâagli, Habib 12 Agarwal, Ravi P. 12 Li, Shujie 12 Li, Xiong 12 Wang, Yuanming 11 Castro, Alfonso 11 Li, Shengjun 11 Oliva, Francescantonio 11 Porru, Giovanni 11 Sciunzi, Berardino 11 Solimini, Sergio 11 Xia, Yonghui 10 Cosner, Chris 10 Costa, David Goldstein 10 Garain, Prashanta 10 Han, Zhiqing 10 Hirano, Norimichi 10 Holubová, Gabriela 10 Krasnosel’skiĭ, Aleksandr Markovich 10 Nieto Roig, Juan Jose 10 Ortega, Rafael 10 Sanchez, Luís 10 Wan, Haitao 10 Ward, James Robert jun. 10 Zhang, Jihui 10 Zhang, Xuemei 10 Zhao, Xiao-Qiang 9 Cantrell, Robert Stephen 9 Cesari, Lamberto 9 Choi, Yung-Sze 9 Choudhuri, Debajyoti 9 Cîrstea, Florica-Corina Şt. 9 Da Silva, Edcarlos Domingos 9 García-Melián, Jorge 9 Gazzola, Filippo 9 Hou, Zhanyuan 9 Mi, Ling 9 Nkashama, Mubenga N. 9 Qian, Dingbian 9 Terracini, Susanna 9 Yuan, Rong 8 An, Yukun 8 Cañada Villar, Antonio 8 Canino, Annamaria 8 Chen, Haibo 8 Chen, Lansun 8 Guedes de Figueiredo, Djairo 8 Feng, Wei 8 Garrione, Maurizio 8 Guo, Zongming 8 Lisena, Benedetta 8 Liu, Bin 8 Motreanu, Dumitru 8 O’Regan, Donal 8 Pao, Chia-Ven 8 Parhi, Narahari 8 Ramos, Miguel 8 Repovš, Dušan D. 8 Robinson, Stephen B. 8 Sfecci, Andrea ...and 2,184 more Authors all top 5 Cited in 290 Serials 361 Journal of Mathematical Analysis and Applications 244 Nonlinear Analysis. 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New Series 4 International Journal of Bifurcation and Chaos in Applied Sciences and Engineering 4 Opuscula Mathematica 4 Taiwanese Journal of Mathematics 4 The ANZIAM Journal 4 Journal of the Australian Mathematical Society ...and 190 more Serials all top 5 Cited in 47 Fields 1,512 Partial differential equations (35-XX) 1,098 Ordinary differential equations (34-XX) 378 Operator theory (47-XX) 347 Biology and other natural sciences (92-XX) 231 Global analysis, analysis on manifolds (58-XX) 224 Dynamical systems and ergodic theory (37-XX) 99 Mechanics of deformable solids (74-XX) 83 Calculus of variations and optimal control; optimization (49-XX) 73 Numerical analysis (65-XX) 59 Mechanics of particles and systems (70-XX) 51 Difference and functional equations (39-XX) 26 Systems theory; control (93-XX) 23 Functional analysis (46-XX) 21 Potential theory (31-XX) 21 Integral equations (45-XX) 15 Probability theory and stochastic processes (60-XX) 13 Fluid mechanics (76-XX) 12 Differential geometry (53-XX) 10 Real functions (26-XX) 10 Algebraic topology (55-XX) 8 Linear and multilinear algebra; matrix theory (15-XX) 8 General topology (54-XX) 7 Quantum theory (81-XX) 6 Manifolds and cell complexes (57-XX) 5 Functions of a complex variable (30-XX) 5 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 4 Approximations and expansions (41-XX) 4 Statistical mechanics, structure of matter (82-XX) 3 Topological groups, Lie groups (22-XX) 3 Several complex variables and analytic spaces (32-XX) 3 Optics, electromagnetic theory (78-XX) 3 Operations research, mathematical programming (90-XX) 2 Measure and integration (28-XX) 2 Abstract harmonic analysis (43-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 Harmonic analysis on Euclidean spaces (42-XX) 1 Integral transforms, operational calculus (44-XX) 1 Classical thermodynamics, heat transfer (80-XX) 1 Relativity and gravitational theory (83-XX) Citations by Year