RETRACTION NOTE: “MINIMAL PERIOD SYMMETRIC SOLUTIONS FOR SOME HAMILTONIAN SYSTEMS VIA THE NEHARI MANIFOLD METHOD”Acta Mathematica Scientia, 2020,40B(4):614–624

Editorial Office of Acta Mathematica Scientia

The Editor-in-Chief has retracted this article [1]. After publication it was noted that Lemma 3.5 in [1]has an incorrectable gap which can only be true when n= 1,2,3, indicating that the major theorem 1.1 in [1]is only a special case of Theorem 1 in [2], and Theorem 1.2 in [1]is only a trivial result in [3].

The author has not responded to correspondence regarding this retraction.