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## Main Question or Discussion Point

Hey guys,

There was a definition of linking number that used the fact that H_1(S3\knot, Z) = Z. But to do that I was trying to compute the homology of S^3\knot and had no idea how to do it. Any help would be appreciated.

Thanks

There was a definition of linking number that used the fact that H_1(S3\knot, Z) = Z. But to do that I was trying to compute the homology of S^3\knot and had no idea how to do it. Any help would be appreciated.

Thanks