Add to ORKGUsing a generalized version of the method of lower and upper solutions, we prove existence of positive solutions for a class of boundary value problems for a nonlinear equation with singularities whose coefficients change sign
The paper is concerned with existence results for positive solutions and maximal positive solutions ...
The paper is concerned with existence results for positive solutions and maximal positive solutions ...
Dedicated to Andrzej Granas with admiration Abstract. An upper and lower solution approach is presen...
In this article, we study a class of nonlinear singular boundary-value problems. We show the exis...
Abstract. By variational methods, we prove the existence of positive solutions of a class of indefin...
AbstractFor a class of problems of the form y″=g(t,y)f(y′),0<t<1,y′(0)=m⩽0, y(1)=0, we prove existen...
We study a nonlinear singular boundary value problem and prove that, depending on a relationship bet...
AbstractIn this work, some new existence results of positive solutions for a class of singular m-poi...
AbstractBy a new approach, we present a new existence result of positive solutions to the following ...
10.1016/S0362-546X(01)00747-7Nonlinear Analysis, Theory, Methods and Applications502215-222NOAN
We deal with the existence of positive solutions for a two-point boundary value problem associated w...
We discuss the existence of positive solutions for singular second-order boundary value problems x′ ...
The method of upper and lower solutions and the Schauder fixed point theorem are used to investigat...
AbstractIn this paper, some new existence results for positive solutions for a class of singular m-p...
AbstractThis paper presents two sufficient conditions which guarantee the existence and uniqueness o...
The paper is concerned with existence results for positive solutions and maximal positive solutions ...
The paper is concerned with existence results for positive solutions and maximal positive solutions ...
Dedicated to Andrzej Granas with admiration Abstract. An upper and lower solution approach is presen...
In this article, we study a class of nonlinear singular boundary-value problems. We show the exis...
Abstract. By variational methods, we prove the existence of positive solutions of a class of indefin...
AbstractFor a class of problems of the form y″=g(t,y)f(y′),0<t<1,y′(0)=m⩽0, y(1)=0, we prove existen...
We study a nonlinear singular boundary value problem and prove that, depending on a relationship bet...
AbstractIn this work, some new existence results of positive solutions for a class of singular m-poi...
AbstractBy a new approach, we present a new existence result of positive solutions to the following ...
10.1016/S0362-546X(01)00747-7Nonlinear Analysis, Theory, Methods and Applications502215-222NOAN
We deal with the existence of positive solutions for a two-point boundary value problem associated w...
We discuss the existence of positive solutions for singular second-order boundary value problems x′ ...
The method of upper and lower solutions and the Schauder fixed point theorem are used to investigat...
AbstractIn this paper, some new existence results for positive solutions for a class of singular m-p...
AbstractThis paper presents two sufficient conditions which guarantee the existence and uniqueness o...
The paper is concerned with existence results for positive solutions and maximal positive solutions ...
The paper is concerned with existence results for positive solutions and maximal positive solutions ...
Dedicated to Andrzej Granas with admiration Abstract. An upper and lower solution approach is presen...