AbstractWe shall provide conditions on non-positive function f(t,u1,…,un−1) so that the boundary value problem has at least one positive solution. Then, we shall apply this result to establish several existence theorems which guarantee the multiple positive solutions
AbstractUnder suitable conditions on f(t,y(t+θ)), the boundary value problem of higher-order functio...
AbstractUnder some suitable assumptions, we shall show that the (n+2)-order nonlinear boundary value...
AbstractWe shall provide existence criteria for double positive solutions of the (n,p) boundary valu...
AbstractIn this paper, we provide suitable conditions on the function f(t, u1, …, un−1) such that th...
AbstractWe shall provide conditions on the function ƒ(i,u1,u2,…,un−1), so that the boundary value pr...
We consider a higher order two-point boundary value problem. Some upper and lower estimates to posit...
We consider a higher order two-point boundary value problem, and establish some upper and lower type...
In this paper, we investigate the problem of existence and nonexistence of positive solutions for th...
We consider the (n, p) boundary value problem in this paper. Some new upper estimates to positive so...
The authors consider a higher order multi-point boundary value problem. Some existence and nonexist...
AbstractThe authors consider a higher order multi-point boundary value problem. Some existence and n...
The authors consider a higher order multi-point boundary value problem. Some existence and nonexist...
This paper is concerned with the existence and nonexistence of positive solutions for a nonlinear hi...
The authors consider the higher order boundary-value problem $$displaylines{ u^{(n)}(t)= q(t)f(u(t))...
AbstractBy using the fixed-point index theory, several theorems of existence of positive solutions f...
AbstractUnder suitable conditions on f(t,y(t+θ)), the boundary value problem of higher-order functio...
AbstractUnder some suitable assumptions, we shall show that the (n+2)-order nonlinear boundary value...
AbstractWe shall provide existence criteria for double positive solutions of the (n,p) boundary valu...
AbstractIn this paper, we provide suitable conditions on the function f(t, u1, …, un−1) such that th...
AbstractWe shall provide conditions on the function ƒ(i,u1,u2,…,un−1), so that the boundary value pr...
We consider a higher order two-point boundary value problem. Some upper and lower estimates to posit...
We consider a higher order two-point boundary value problem, and establish some upper and lower type...
In this paper, we investigate the problem of existence and nonexistence of positive solutions for th...
We consider the (n, p) boundary value problem in this paper. Some new upper estimates to positive so...
The authors consider a higher order multi-point boundary value problem. Some existence and nonexist...
AbstractThe authors consider a higher order multi-point boundary value problem. Some existence and n...
The authors consider a higher order multi-point boundary value problem. Some existence and nonexist...
This paper is concerned with the existence and nonexistence of positive solutions for a nonlinear hi...
The authors consider the higher order boundary-value problem $$displaylines{ u^{(n)}(t)= q(t)f(u(t))...
AbstractBy using the fixed-point index theory, several theorems of existence of positive solutions f...
AbstractUnder suitable conditions on f(t,y(t+θ)), the boundary value problem of higher-order functio...
AbstractUnder some suitable assumptions, we shall show that the (n+2)-order nonlinear boundary value...
AbstractWe shall provide existence criteria for double positive solutions of the (n,p) boundary valu...
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