@article{Wu_2022, title={Maslov Index and Quasi-Symplectic Isomorphisms}, volume={3}, url={https://ojs.wiserpub.com/index.php/CM/article/view/1363}, DOI={10.37256/cm.3220221363}, abstractNote={<p>Maslov index is defined as the number of the intersection of a loop of Lagrangian subspaces with a 1-codimensional cycle in the Lagrangian Grassmannian. It is well-known that linear symplectomorphisms preverse the Maslov index. We show how quasi-symplectic isomorphisms change Maslov index.</p>}, number={2}, journal={Contemporary Mathematics}, author={Wu, Jin}, year={2022}, month={May}, pages={203–216} }