Splicing and the $SL_2({\mathbb C})$ Casson invariant Academic Article uri icon

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abstract

  • We establish a formula for the SL(2,C) Casson invariant of spliced sums of homology spheres along knots. Along the way, we show that the SL(2,C) Casson invariant vanishes for spliced sums along knots in the 3-sphere.

publication date

  • March 14, 2008