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The Existence of Nodal Solutions for the Half-Quasilinear p-Laplacian Problems

         

摘要

In this paper, we study the existence of nodal solutions for the following problem:-(φp(x′))′= α(t)φp(x+) + β(t)φp(x-) + ra(t)f(x), 0 < t < 1,x(0) = x(1) = 0,where φp(s) = |s|p-2s, a ∈ C([0, 1],(0, ∞)), x+= max{x, 0}, x-=- min{x, 0}, α(t), β(t) ∈C[0, 1]; f ∈ C(R, R), sf(s) > 0 for s ≠ 0, and f0, f∞∈(0, ∞), where f0 = lim|s|→0f(s)/φp(s), f∞ = lim|s|→+∞f(s)/φp(s).We use bifurcation techniques and the approximation of connected components to prove our main results.

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