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Weisfeiler Leman graph isomorphism test

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In graph theory, the Weisfeiler Leman graph isomorphism test is a heuristic test for the existence of an isomorphism between two graphs G and H.

Graph G0 Graph G1 Graph G2

Graph G0 to demonstrate the Weisfeiler Leman test.

Graph G1 to demonstrate the Weisfeiler Leman test.

Graph G2 to demonstrate the Weisfeiler Leman test.