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We use the theory of fixed point index for weakly inward A-proper maps to establish the existence of positive solutions of some second-order three-point boundary value problems in which the highest-order derivative occurs nonlinearly

fixed point theory and applications

Positive solutions of some three-point boundary value problems via fixed point index for weakly inward "Equation missing" -proper maps

Positive solutions of some three-point boundary value problems via fixed point index for weakly inward "Equation missing" -proper maps