摘要
本文给出辛流形（Ｍ，ω）和（Ｍ，－ω）的乘积辛流形（Ｍ×Ｍ，ω（－ω））中Ｌａ－ｇｒａｎｇｅ子流形ΔＭ：＝｛（ｘ，ｘ）｜ｘ∈Ｍ）的Ｍａｓｌｏｖ指标的计算公式，并讨论它的一些应用．
In this note we give a relation formula between the Maslov index of the Lagrange submanifold Δ M in the product symplectic manifold (M×M,ω(ω)) and the first Chern class c 1(M) and discuss its application.
