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For a given Knot in
, choose a Seifert Surface
in
for
and a
bicollar
in
. If
is represented by a 1-cycle in
,
let
denote the homology cycle carried by
in the bicollar. Similarly, let
denote
.
The function
defined by
See also Seifert Matrix
References
Rolfsen, D. Knots and Links. Wilmington, DE: Publish or Perish Press, pp. 200-201, 1976.