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$%K. Taniyama, Link homotopy invariants of graphs in R3, Rev. Mat. Univ. Complut. Madrid 7 (1994), no. 1, 129–144.%$
In this paper we define a link homotopy invariant of spatial graphs based on the second degree coefficient of the Conway polynomial of a knot.
1991 Mathematics Subject Classification: 57M25, 57M15, 05C10.