Colette De Coster

Forced singular oscillators and the method of lower and upper solutions

Denis Bonheure, Colette De Coster · Topological Methods in Nonlinear Analysis · 2003 · 64 citations · Full text

Upper Solutions, Singularly Perturbed Problem, Positive Periodic Solutions +7

Existence and Localization of Solution for Second Order Elliptic BVP in Presence of Lower and Upper Solutions without Any Order

Colette De Coster, Marc Henrard · Journal of Differential Equations · 1998 · 58 citations

Monge-ampere Equation, Elliptic Equation, Upper Solutions +4

Continuum of solutions for an elliptic problem with critical growth in the gradient

David Arcoya, Colette De Coster, Louis Jeanjean et al. · Journal of Functional Analysis · 2015 · 45 citations · Full text

Monge-ampere Equation, Elliptic Equation, Elliptic Problem +5

Remarks on the uniqueness for quasilinear elliptic equations with quadratic growth conditions

David Arcoya, Colette De Coster, Louis Jeanjean et al. · Journal of Mathematical Analysis and Applications · 2014 · 33 citations · Full text

Monge-ampere Equation, Elliptic Equation, Quasilinear Elliptic Equations +5

Unstable Periodic Solutions of a Parabolic Problem in the Presence of Non-well-ordered Lower and Upper Solutions

Colette De Coster, Pierpaolo Omari · Journal of Functional Analysis · 2000 · 31 citations

Upper Solutions, Parabolic Problem, Parabolic Equation +6