AbstractFor the second-order boundary value problem, y″ + f(y) = 0, 0 ≤ t ≤ 1, y(0) = 0 = y(1), where f: R → [0, ∞), growth conditions are imposed on f which yield the existence of at least three symmetric positive solutions
AbstractWe study the existence of positive solutions for the equation (φp(u′))′ + e(t) ƒ (u) = 0, wh...
AbstractWe consider the boundary value problem δ2my(k-m)=f(y(k),δ2y(k-1),…,δ2iy(k-1),…,δ2(m-1)y(k-(m...
AbstractUsing a fixed point theorem of generalized cone expansion and compression we present in this...
AbstractIn this paper, the existence of at least three positive solutions for the boundary value pro...
AbstractIn this paper, a new fixed-point theorem of functional type in a cone is established. With u...
AbstractFor the second-order boundary value problem, y″ + f(y) = 0, 0 ≤ t ≤ 1, y(0) = 0 = y(1), wher...
AbstractIn this paper, we are concerned with the existence and multiplicity of symmetric positive so...
AbstractIn this paper, we consider the Lidstone boundary value problem, y(2m)(t)=f(y(t),…,y(2j)(t),…...
AbstractThe existence of multiple nonnegative solutions of the equations −χ″ = f(χ, χ′) subject to χ...
AbstractIn this paper, a new fixed-point theorem of functional type in a cone is established. With u...
AbstractSufficient conditions are obtained that guarantee the existence of at least two positive sol...
AbstractWe are concerned with the discrete focal boundary value problem Δ3x(t − k) = f(x(t)), x(a) =...
AbstractWe study the multiplicity of positive solutions for the second-order three-point boundary va...
AbstractBy means of the Leggett-Williams fixed-point theorem, criteria are developed for the existen...
AbstractThis paper studies the existence of symmetric positive solutions for a second-order nonlinea...
AbstractWe study the existence of positive solutions for the equation (φp(u′))′ + e(t) ƒ (u) = 0, wh...
AbstractWe consider the boundary value problem δ2my(k-m)=f(y(k),δ2y(k-1),…,δ2iy(k-1),…,δ2(m-1)y(k-(m...
AbstractUsing a fixed point theorem of generalized cone expansion and compression we present in this...
AbstractIn this paper, the existence of at least three positive solutions for the boundary value pro...
AbstractIn this paper, a new fixed-point theorem of functional type in a cone is established. With u...
AbstractFor the second-order boundary value problem, y″ + f(y) = 0, 0 ≤ t ≤ 1, y(0) = 0 = y(1), wher...
AbstractIn this paper, we are concerned with the existence and multiplicity of symmetric positive so...
AbstractIn this paper, we consider the Lidstone boundary value problem, y(2m)(t)=f(y(t),…,y(2j)(t),…...
AbstractThe existence of multiple nonnegative solutions of the equations −χ″ = f(χ, χ′) subject to χ...
AbstractIn this paper, a new fixed-point theorem of functional type in a cone is established. With u...
AbstractSufficient conditions are obtained that guarantee the existence of at least two positive sol...
AbstractWe are concerned with the discrete focal boundary value problem Δ3x(t − k) = f(x(t)), x(a) =...
AbstractWe study the multiplicity of positive solutions for the second-order three-point boundary va...
AbstractBy means of the Leggett-Williams fixed-point theorem, criteria are developed for the existen...
AbstractThis paper studies the existence of symmetric positive solutions for a second-order nonlinea...
AbstractWe study the existence of positive solutions for the equation (φp(u′))′ + e(t) ƒ (u) = 0, wh...
AbstractWe consider the boundary value problem δ2my(k-m)=f(y(k),δ2y(k-1),…,δ2iy(k-1),…,δ2(m-1)y(k-(m...
AbstractUsing a fixed point theorem of generalized cone expansion and compression we present in this...