Full paper in PDF:
$%T. Motohashi, Y. Ohyama, and K. Taniyama, Yamada polynomial and crossing number of spatial graphs., Rev. Mat. Univ. Complut. Madrid 7 (1994), no. 2, 247–277.%$
NTT Telecommunication Networks Laboratories
Musashino-shi, Tokyo — Japan
Department of Mathematics
Nagoya Institute of Mathematics
Nagoya 466 — Japan
In this paper we estimate the crossing number of a flat vertex graph in 3-space in terms of the reduced degree of its Yamada polynomial.
1991 Mathematics Subject Classification: 57M25, 57M15, 05C10.