## CDAM: Computational, Discrete and Applicable Mathematics@LSE | |

## CDAM Research Report, LSE-CDAM-2007-31December 2007 |

** Finding Paths Between
3-Colourings **

** Luis Cereceda, Jan van den
Heuvel, and Matthew Johnson **

We prove that this question is answerable in polynomial time. We do so by characterising the instances

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