... Castaneda, “Existence of solutions of nonlinear m-point boundary-value problems,”Journal of Mathematical Analysis and Applications, vol. 256, no. 2, pp. 556–567, 2001.4 R. Ma and D. O’Regan, ... Class of Fourth-Order m-PointBoundary Value ProblemsYansheng Liu1and Donal O’Regan21Department of Mathematics, Shandong Normal University, Jinan 250014, China2Department of Mathematics, ... the notation of Rabinowitz, let E be a real Banach space and L : E → E be a compact linear map. If thereexists μ ∈ R 0, ∞ and 0/ v ∈ E such that v μLv, μ is said to be a real characteristic6...