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On topologically stable singular surfaces in a 3-manifold |
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| Authors: | Shyuichi Izumiya Washington L Marar |
| Institution: | (1) Department of Mathematics, Faculty of Science, Hokkaido University, 060 Sapporo, Japan;(2) Instituto de Ciências Matemáticas de São Carlos, Universidade de São Paulo, Caixa Postal 668, 13560 São Carlos (SP), Brazil |
| Abstract: | A formula for the Euler number of a generic singular surface in a 3-manifold is given. We also give an estimate of the number of connected components of the complement of such a surface. |
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