Irving Dai, Sungkyung Kang, Abhishek Mallick, JungHwan Park, Matthew Stoffregen
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The $(2,1)$ -cable of the figure-eight knot is not smoothly slice
We prove that the \((2,1)\)-cable of the figure-eight knot is not smoothly slice by showing that its branched double cover bounds no equivariant homology ball.
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