... solutions for a nonlocal differential equationYunhai Wang1*, Fanglei Wang2,3 and Yukun An3* Correspondence: yantaicity@163.com1College of Aeronautics and Astronautics, Nanjing University of Aeronautics ... of Aeronautics and Astronautics,Nanjing 210016, People’s Republic of ChinaFull list of author information isavailable at the end of the articleAbstractIn this paper, the existence and multiplicity ... that(i) {x Î P (a, a,b): a (x)> ;a} ≠ ∅ and a (Ax)> ;a for x Î P (a, a,b);(ii) ||Ax|| <d for ||x|| ≤ d;(iii) a( Ax)> ;a for x Î P (a, a,c) with ||Ax|| >b.Then, A has at least three fixed...