Canad. J. Math. 62(2010), 1058-1059
Printed: Oct 2010
S. Stahl conjectured that the zeros of genus polynomials are real. In
this note, we disprove this conjecture.
genus polynomial, zeros, real
05C10 - Planar graphs; geometric and topological aspects of graph theory [See also 57M15, 57M25]