All Stories

  1. Global bifurcation results for a delay differential system representing a chemostat model

    Article • Journal of Differential Equations, July 2025, Elsevier

    Pablo Amster

  2. On a theorem by Browder and its application to nonlinear boundary value problems

    Article • Bulletin of the London Mathematical Society, March 2023, Wiley

    Pablo Amster

  3. Dynamics of a discrete size—structured chemostat with variable nutrient supply

    Article • Discrete and Continuous Dynamical Systems - B, January 2023, American Institute of Mathematical Sciences (AIMS)

    Pablo Amster

  4. On a Dirichlet boundary value problem for an Ermakov–Painlevé I equation. A Hamiltonian EPI system

    Article • Electronic journal of qualitative theory of differential equations, January 2023, University of Szeged

    Pablo Amster

  5. The full power of the half-power

    Article • Expositiones Mathematicae, December 2022, Elsevier

    Pablo Amster

  6. On persistence of a Nicholson-type system with multiple delays and nonlinear harvesting

    Article • Nonlinear Analysis Real World Applications, October 2022, Elsevier

    Pablo Amster

  7. On an affinity principle by Krasnoselskii

    Article • Journal of Differential Equations, July 2022, Elsevier

    Pablo Amster

  8. Hartman and Nirenberg type results for systems of delay differential equations under $ (\omega,Q) $-periodic conditions

    Article • Discrete and Continuous Dynamical Systems - B, January 2022, American Institute of Mathematical Sciences (AIMS)

    Pablo Amster

  9. Stability, existence and non-existence of $ T $-periodic solutions of nonlinear delayed differential equations with $ \varphi $-Laplacian

    Article • Communications on Pure & Applied Analysis, January 2022, American Institute of Mathematical Sciences (AIMS)

    Pablo Amster

  10. Periodic solutions for systems of functional-differential semilinear equations at resonance

    Article • Topological Methods in Nonlinear Analysis, December 2021, Uniwersytet Mikolaja Kopernika/Nicolaus Copernicus University

    Pablo Amster

  11. A third look at the first result of Landesman-Lazer type

    Article • Electronic Journal of Differential Equations, October 2021, Texas State University

    Pablo Amster

  12. Periodic solutions for a nonautonomous mathematical model of hematopoietic stem cell dynamics

    Article • Nonlinear Analysis, October 2021, Elsevier

    Pablo Amster

  13. The Power of the Half Power

    Article • American Mathematical Monthly, August 2021, Taylor & Francis

    Pablo Amster

  14. Persistence and periodic solutions in systems of delay differential equations

    Article • Applied Mathematics and Computation, August 2021, Elsevier

    Pablo Amster

  15. On Landesman-Lazer conditions and the fundamental theorem of algebra

    Article • Monatshefte für Mathematik, April 2021, Springer Science + Business Media

    Pablo Amster

  16. Periodic positive solutions of superlinear delay equations via topological degree

    Article • Philosophical Transactions of the Royal Society A Mathematical Physical and Engineering Sciences, January 2021, Royal Society Publishing

    Pablo Amster

  17. Topological Degree and Periodic Orbits of Semi-dynamical Systems

    Article • January 2021, Springer Science + Business Media

    Pablo Amster

  18. Dynamics of a chemostat with periodic nutrient supply and delay in the growth

    Article • Nonlinearity, October 2020, Institute of Physics Publishing

    Pablo Amster

  19. Existence of ω-periodic solutions for a delayed chemostat with periodic inputs

    Article • Nonlinear Analysis Real World Applications, October 2020, Elsevier

    Pablo Amster

  20. Multiple solutions of boundary value problems on time scales for a φ-Laplacian operator

    Article • Opuscula Mathematica, January 2020, AGHU University of Science and Technology Press

    Pablo Amster

  21. On the solvability of the periodically forced relativistic pendulum equation on time scales

    Article • Electronic journal of qualitative theory of differential equations, January 2020, University of Szeged

    Pablo Amster

  22. On exact multiplicity for a second order equation with radiation boundary conditions

    Article • Topological Methods in Nonlinear Analysis, July 2019, Uniwersytet Mikolaja Kopernika/Nicolaus Copernicus University

    Pablo Amster

  23. Multiple solutions for periodic perturbations of a delayed autonomous system near an equilibrium

    Article • Communications on Pure & Applied Analysis, January 2019, American Institute of Mathematical Sciences (AIMS)

    Pablo Amster

  24. On a Neumann boundary value problem for Ermakov–Painlevé III

    Article • Electronic journal of qualitative theory of differential equations, January 2019, University of Szeged

    Pablo Amster

  25. Systems of delay differential equations: Analysis of a model with feedback

    Article • Communications in Nonlinear Science and Numerical Simulation, December 2018, Elsevier

    Pablo Amster

  26. A global bifurcation theorem for critical values in Banach spaces

    Article • Annali di Matematica Pura ed Applicata (1923 -), October 2018, Springer Science + Business Media

    Pablo Amster

  27. Control of Pyragas Applied to a Coupled System with Unstable Periodic Orbits

    Article • The Bulletin of Mathematical Biophysics, September 2018, Springer Science + Business Media

    Pablo Amster

  28. Lazer–Leach conditions for coupled Gompertz-like delayed systems

    Article • Applied Mathematics Letters, September 2018, Elsevier

    Pablo Amster

  29. On the global dynamic behaviour for a generalized haematopoiesis model with almost periodic coefficients and oscillating circulation loss rate

    Article • Mathematical Methods in the Applied Sciences, April 2018, Wiley

    Pablo Amster

  30. Periodic solutions for indefinite singular equations with singularities in the spatial variable and non-monotone nonlinearity

    Article • Discrete and Continuous Dynamical Systems, January 2018, American Institute of Mathematical Sciences (AIMS)

    Pablo Amster

  31. A note on a system with radiation boundary conditions with non-symmetric linearisation

    Article • Monatshefte für Mathematik, September 2017, Springer Science + Business Media

    Pablo Amster

  32. Multiple solutions for an elliptic system with indefinite Robin boundary conditions

    Article • Advances in Nonlinear Analysis, July 2017, De Gruyter

    Pablo Amster

  33. Multiple solutions for a second order equation with radiation boundary conditions

    Article • Electronic journal of qualitative theory of differential equations, January 2017, University of Szeged

    Pablo Amster

  34. The Evolution of Tango Harmony, 1910–1960

    Article • January 2017, Springer Science + Business Media

    Pablo Amster

  35. Existence and multiplicity of periodic solutions for a generalized hematopoiesis model

    Article • Korean Journal of Computational & Applied Mathematics, September 2016, Springer Science + Business Media

    Pablo Amster

  36. On existence of periodic solutions for Kepler type problems

    Article • Topological Methods in Nonlinear Analysis, August 2016, Uniwersytet Mikolaja Kopernika/Nicolaus Copernicus University

    Pablo Amster

  37. New applications of M-matrix methods to stability of high-order linear delayed equations

    Article • Applied Mathematics Letters, April 2016, Elsevier

    Pablo Amster

  38. Necessary and Sufficient Conditions for the Existence of Periodic Solutions of a Nicholson Type Delay System

    Article • Differential Equations and Dynamical Systems, March 2016, Springer Science + Business Media

    Pablo Amster

  39. On a Ermakov-Painlevé II reduction in three-ion electrodiffusion. A Dirichlet boundary value problem

    Article • Discrete and Continuous Dynamical Systems, January 2015, American Institute of Mathematical Sciences (AIMS)

    Pablo Amster

  40. Critical point theory in knot complements

    Article • Differential Geometry and its Applications, October 2014, Elsevier

    Pablo Amster

  41. Existence theorems for some abstract nonlinear non-autonomous systems with delays

    Article • Communications in Nonlinear Science and Numerical Simulation, September 2014, Elsevier

    Pablo Amster

  42. On Dirichlet two-point boundary value problems for the Ermakov–Painlevé IV equation

    Article • Korean Journal of Computational & Applied Mathematics, June 2014, Springer Science + Business Media

    Pablo Amster

  43. Delayed Dynamic in Genre Emergence

    Article • Leonardo, June 2014, The MIT Press

    Pablo Amster

  44. A Painlevé II model in two-ion electrodiffusion with radiation boundary conditions

    Article • Nonlinear Analysis Real World Applications, April 2014, Elsevier

    Pablo Amster

  45. Topological Methods in the Study of Boundary Value Problems

    Article • January 2014, Springer Science + Business Media

    Pablo Amster

  46. Periodic solutions in general scalar non-autonomous models with delays

    Article • Nonlinear Differential Equations and Applications NoDEA, February 2013, Springer Science + Business Media

    Pablo Amster

  47. A Neumann problem for a system depending on the unknown boundary values of the solution

    Article • Electronic journal of qualitative theory of differential equations, January 2013, University of Szeged

    Pablo Amster

  48. An elliptic singular system with nonlocal boundary conditions

    Article • Nonlinear Analysis, October 2012, Elsevier

    Pablo Amster

  49. On resonant elliptic systems with rapidly rotating nonlinearities

    Article • Differential and Integral Equations, September 2012, Khayyam Publishing, Inc

    Pablo Amster

  50. Existence of positive -periodic solutions of a generalized Nicholson’s blowflies model with a nonlinear harvesting term

    Article • Applied Mathematics Letters, September 2012, Elsevier

    Pablo Amster

  51. Stability of Hahnfeldt angiogenesis models with time lags

    Article • Mathematical and Computer Modelling, May 2012, Elsevier

    Pablo Amster

  52. Non-asymptotic and potential Landesman-Lazer conditions for a nonlinear beam equation

    Article • Korean Journal of Computational & Applied Mathematics, March 2012, Springer Science + Business Media

    Pablo Amster

  53. Solutions to Integro-differential Problems Arising on Pricing Options in a Lévy Market

    Article • Acta Applicandae Mathematicae, February 2012, Springer Science + Business Media

    Pablo Amster

  54. Periodic solutions of angiogenesis models with time lags

    Article • Nonlinear Analysis Real World Applications, February 2012, Elsevier

    Pablo Amster

  55. A Neumann Boundary Value Problem in Two-Ion Electro-Diffusion with Unequal Valencies

    Article • Discrete and Continuous Dynamical Systems - B, January 2012, American Institute of Mathematical Sciences (AIMS)

    Pablo Amster

  56. Periodic solutions of resonant systems with rapidly rotating nonlinearities

    Article • Discrete and Continuous Dynamical Systems, June 2011, American Institute of Mathematical Sciences (AIMS)

    Prof. Mónica Clapp, Pablo Amster

  57. On a Neumann boundary value problem for the Painlevé II equation in two-ion electro-diffusion

    Article • Nonlinear Analysis, June 2011, Elsevier

    Pablo Amster

  58. Periodic motions in forced problems of Kepler type

    Article • Nonlinear Differential Equations and Applications NoDEA, March 2011, Springer Science + Business Media

    Pablo Amster

  59. Periodic Solutions of Systems with Singularities of Repulsive Type

    Article • Advanced Nonlinear Studies, January 2011, De Gruyter

    Pablo Amster

  60. Non-asymptotic Lazer-Leach type conditions for a nonlinear oscillator

    Article • Discrete and Continuous Dynamical Systems, January 2011, American Institute of Mathematical Sciences (AIMS)

    Pablo Amster

  61. A Nonlinear Problem Depending on the Unknown Dirichlet Values of the Solution

    Article • Differential Equations and Dynamical Systems, October 2010, Springer Science + Business Media

    Pablo Amster

  62. A parabolic problem arising in Financial Mathematics

    Article • Nonlinear Analysis Real World Applications, April 2010, Elsevier

    Pablo Amster

  63. Boundary value problems on the half-line for a generalised Painlevé II equation

    Article • Nonlinear Analysis, July 2009, Elsevier

    Pablo Amster

  64. Towards a generalization of Dupire's equation for several assets

    Article • Journal of Mathematical Analysis and Applications, July 2009, Elsevier

    Pablo Amster

  65. On a generalization of Lazer-Leach conditions for a system of second order ODE's

    Article • Topological Methods in Nonlinear Analysis, March 2009, Uniwersytet Mikolaja Kopernika/Nicolaus Copernicus University

    Pablo Amster

  66. Detailed asymptotic of eigenvalues on time scales

    Article • The Journal of Difference Equations and Applications, March 2009, Taylor & Francis

    Pablo Amster

  67. Topological methods for a nonlinear elliptic system with nonlinear boundary conditions

    Article • International Journal of Dynamical Systems and Differential Equations, January 2009, Inderscience Publishers

    Pablo Amster

  68. Eigenvalue distribution of second-order dynamic equations on time scales considered as fractals

    Article • Journal of Mathematical Analysis and Applications, July 2008, Elsevier

    Pablo Amster

  69. On Nirenberg-type conditions for higher-order systems on time scales

    Article • Computers & Mathematics with Applications, June 2008, Elsevier

    Pablo Amster

  70. A shooting method for a nonlinear beam equation

    Article • Nonlinear Analysis, April 2008, Elsevier

    Pablo Amster

  71. Some results on the forced pendulum equation

    Article • Nonlinear Analysis, April 2008, Elsevier

    Pablo Amster

  72. Non-homogeneous boundary conditions for a fourth-order diffusion equation

    Article • Comptes Rendus Mathématique, February 2008, Elsevier

    Pablo Amster

  73. On multiplicity of solutions of a superlinear equation on time scales*

    Article • The Journal of Difference Equations and Applications, November 2007, Taylor & Francis

    Pablo Amster

  74. On boundary value problems in three-ion electrodiffusion

    Article • Journal of Mathematical Analysis and Applications, September 2007, Elsevier

    Pablo Amster

  75. Nagumo and Landesman-Lazer type conditions for nonlinear second order systems

    Article • Nonlinear Differential Equations and Applications NoDEA, July 2007, Springer Science + Business Media

    Pablo Amster

  76. A quasilinearization method for elliptic problems with a nonlinear boundary condition

    Article • Nonlinear Analysis, May 2007, Elsevier

    Pablo Amster

  77. Landesman–Lazer type conditions for a system of p-Laplacian like operators

    Article • Journal of Mathematical Analysis and Applications, February 2007, Elsevier

    Pablo Amster

  78. Solutions of nonlinear elliptic equations in unbounded Lipschitz domains

    Article • Forum Mathematicum, January 2007, De Gruyter

    Pablo Amster

  79. Oscillating solutions of a nonlinear fourth order ordinary differential equation

    Article • Journal of Mathematical Analysis and Applications, January 2007, Elsevier

    Pablo Amster

  80. A general RLC system with complex values

    Article • Applicable Analysis, December 2006, Taylor & Francis

    Pablo Amster

  81. A system of coupled pendulii

    Article • Nonlinear Analysis, April 2006, Elsevier

    Pablo Amster

  82. An application of the antimaximum principle for a fourth order periodic problem

    Article • Electronic journal of qualitative theory of differential equations, January 2006, University of Szeged

    Pablo Amster

  83. A nonlinear second order problem with a nonlocal boundary condition

    Article • Abstract and Applied Analysis, January 2006, Hindawi Publishing Corporation

    Pablo Amster

  84. AnH-system for a revolution surface without boundary

    Article • Abstract and Applied Analysis, January 2006, Hindawi Publishing Corporation

    Pablo Amster

  85. Existence of solutions to boundary value problems for dynamic systems on time scales

    Article • Journal of Mathematical Analysis and Applications, August 2005, Elsevier

    Pablo Amster

  86. A Black–Scholes option pricing model with transaction costs

    Article • Journal of Mathematical Analysis and Applications, March 2005, Elsevier

    Pablo Amster

  87. Periodic solutions of a resonant third-order equation

    Article • Nonlinear Analysis, February 2005, Elsevier

    Pablo Amster

  88. An -dimensional pendulum-like equation via topological methods

    Article • Nonlinear Analysis, January 2005, Elsevier

    Pablo Amster

  89. On two-point boundary value problems in multi-ion electrodiffusion

    Article • Journal of Mathematical Analysis and Applications, January 2004, Elsevier

    Pablo Amster

  90. Stationary solutions for two nonlinear Black–Scholes type equations

    Article • Applied Numerical Mathematics, December 2003, Elsevier

    Pablo Amster

  91. The prescribed mean curvature equation for nonparametric surfaces

    Article • Nonlinear Analysis, February 2003, Elsevier

    Pablo Amster

  92. Solutions toH-systems by topological and iterative methods

    Article • Abstract and Applied Analysis, January 2003, Hindawi Publishing Corporation

    Pablo Amster

  93. Solutions to a stationary nonlinear Black–Scholes type equation

    Article • Journal of Mathematical Analysis and Applications, December 2002, Elsevier

    Pablo Amster

  94. Convergent Iterative Schemes for a Non-isentropic Hydrodynamic Model for Semiconductors

    Article • ZAMM ‐ Journal of Applied Mathematics and Mechanics / Zeitschrift für Angewandte Mathematik und Mechanik, August 2002, Wiley

    Pablo Amster

  95. A Fixed Point Operator for a Nonlinear Boundary Value Problem

    Article • Journal of Mathematical Analysis and Applications, February 2002, Elsevier

    Pablo Amster

  96. Dirichlet and Periodic-Type Boundary Value Problems for Painlevé II

    Article • Journal of Mathematical Analysis and Applications, January 2002, Elsevier

    Pablo Amster

  97. Existence results for the mean curvature equation

    Article • Nonlinear Analysis, August 2001, Elsevier

    Pablo Amster

  98. Subsonic Solutions to a One-Dimensional Non-isentropic Hydrodynamic Model for Semiconductors

    Article • Journal of Mathematical Analysis and Applications, June 2001, Elsevier

    Pablo Amster

  99. The prescribed mean curvature equation with Dirichlet conditions

    Article • Nonlinear Analysis, March 2001, Elsevier

    Pablo Amster

  100. Existence and uniqueness of H-system's solutions with Dirichlet conditions

    Article • Nonlinear Analysis, October 2000, Elsevier

    Pablo Amster

  101. Resolution of semilinear equations by fixed point methods

    Article • Bulletin of the Belgian Mathematical Society - Simon Stevin, January 2000, The Belgian Mathematical Society

    Pablo Amster

  102. Solutions of {$H$}-systems using the Green function

    Article • Bulletin of the Belgian Mathematical Society - Simon Stevin, January 2000, The Belgian Mathematical Society

    Pablo Amster

  103. Solutions to quasilinear equations by an iterative method

    Article • Bulletin of the Belgian Mathematical Society - Simon Stevin, January 2000, The Belgian Mathematical Society

    Pablo Amster