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COMBINATORICA PACKAGE SYMBOL

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Isomorphism

gives an isomorphism between graphs

and

if one exists.

Isomorphism[g, h, All]
gives all isomorphisms between graphs

and

.

Isomorphism[g]
gives the automorphism group of

.

MORE INFORMATION

To use , you first need to load the Combinatorica Package using .

This function takes an option Invariants, where are functions that are used to compute vertex invariants. These functions are used in the order in which they are specified.

The default value of Invariants is {DegreesOf2Neighborhood, NumberOf2Paths, Distances}.

Automorphisms IdenticalQ IsomorphicQ

Combinatorica

Combinatorica Package

Graph Algorithms

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