Positive Solutions of the Dirichlet Problem for the One-dimensional Minkowski-Curvature Equation

Author:

Coelho Isabel12,Corsato Chiara3,Obersnel Franco3,Omari Pierpaolo3

Affiliation:

1. Área Departamental de Matemática Instituto Superior de Engenharia de Lisboa Rua Conselheiro Emídio Navarro 1, 1950-062 Lisboa, Portugal

2. D´epartement de Mathématique, Université Libre de Bruxelles, CP 214 Boulevard du Triomphe, 1050 Bruxelles, Belgium

3. Dipartimento di Matematica e Geoscienze Università degli Studi di Trieste Via A. Valerio 12/1, 34127 Trieste, Italy

Abstract

Abstract We discuss existence and multiplicity of positive solutions of the Dirichlet problem for the quasilinear ordinary differential equation . Depending on the behaviour of f = f (t, s) near s = 0, we prove the existence of either one, or two, or three, or infinitely many positive solutions. In general, the positivity of f is not required. All results are obtained by reduction to an equivalent non-singular problem to which variational or topological methods apply in a classical fashion.

Publisher

Walter de Gruyter GmbH

Subject

General Mathematics,Statistical and Nonlinear Physics

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