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Splicing and the  Casson invariant |
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| Authors: | Hans U Boden Cynthia L Curtis |
| Institution: | Department of Mathematics and Statistics, McMaster University, Hamilton, Ontario, L8S 4K1 Canada ; Department of Mathematics and Statistics, The College of New Jersey, Ewing, New Jersey 08628 |
| Abstract: | We establish a formula for the  Casson invariant of spliced sums of homology spheres along knots. Along the way, we show that the  Casson invariant vanishes for spliced sums along knots in  . |
| Keywords: | Casson invariant character variety spliced sum |
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