Bordism invariants of the mapping class group
We define new bordism and spin bordism invariants of certain subgroups of the mapping class group of a surface. In particular, they are invariants of the Johnson filtration of the mapping class group. The second and third terms of this filtration are the well-known Torelli group and Johnson subgroup...
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| Format: | Others |
| Language: | English |
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2009
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| Online Access: | http://hdl.handle.net/1911/18635 |