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Existence of periodically invariant curves in 3-dimensional measure-preserving mappings |
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| Authors: | Chong -Qing Cheng Yi -Sui Sun |
| Institution: | (1) Department of Astronomy, Nanjing University, China |
| Abstract: | With the aid of a normal form of a family of measure-preserving mappings in dimension 3, which is deduced in this paper, we prove that there are periodically invariant curves which survive the nonlinear perturbations in the generic case. |
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