“…For the existence and multiplicity of geometrically distinct closed characteristics on compact convex hypersurfaces in R 2n , we refer to [3,4,6,7,[9][10][11][12]16,18,19] and references therein. Especially, In [7] of 2002, Liu, Long and Zhu proved that #J ( ) ≥ n, ∀ ∈ SH(2n).…”