Periodic solutions of second-order Liénard equations with -Laplacian-like operators.
Multiple positive solutions for a nonlinear 2n-th order m-point boundary value problems.
Positive solutions for a multi-point eigenvalue problem involving the one dimensional -Laplacian.
Some new Opial-type inequalities involving higher order derivatives
We establish several new Opial-type inequalities involving different types of boundary conditions.
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