
doi: 10.1007/bf02832311
The authors study the \(p\)-Laplacian equation \[ (\phi_p(u'))'=f(t,u,u'),\quad t\in (0,1), \] with the three-point boundary conditions \[ u'(0)=0,\quad u(1)=u(\eta),\quad \eta\in(0,1). \] The solvability of the boundary value problem at resonance is discussed by the method of two pairs of lower and upper solutions. Also, the existence of three solutions is obtained by using Leray-Schauder degree theory.
\(p\)-Laplacian equations, one-sided Nagumo condition, resonance, three-point boundary value, upper and lower solutions, Nonlocal and multipoint boundary value problems for ordinary differential equations
\(p\)-Laplacian equations, one-sided Nagumo condition, resonance, three-point boundary value, upper and lower solutions, Nonlocal and multipoint boundary value problems for ordinary differential equations
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