undirected unweighted graph
name or list(algebraic)
The GraphPolynomial command returns a polynomial in the variables x1,...,xn when x is a symbol and G is a graph with n vertices. The polynomial consists only of linear factors of the form (xj-xk) where j and k represent adjacent vertices.
If x is a list of algebraic expressions whose length is equal to the number of vertices of G, the polynomial is formed using linear factors of the form (xj-xk) where j and k represent adjacent vertices.
Noga Alon and Michael Tarsi, "A note on graph colorings and graph polynomials", J. Combin. Theory Ser. B 70 (1997), no. 1, 197–201, doi: 10.1006/jctb.1997.1753
The GraphTheory[GraphPolynomial] command was updated in Maple 2019.
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