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Elliptic diffeomorphisms of symplectic 4-manifolds. (arXiv:1708.01518v1 [math.SG])

来源于:arXiv
We show that symplectically embedded $(-1)$-tori give rise to certain elements in the symplectic mapping class group of $4$-manifolds. An example is given where such elements are proved to be of infinite order. 查看全文>>