Laurent polynomials of planar graphs

Abstract

By using Laurent graph polynomials instead of the usual ones, i.e. by allowing negative powers of the variables, we simplify an existing method of determining the Alon-Tarsi numbers of planar graphs.

References in corpus (2)

• The Alon-Tarsi number of a planar graph minus a matching
• The Alon-Tarsi number of planar graphs