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We present exact calculations of the chromatic polynomial and resultantground state entropy of the $q$-state Potts antiferromagnet on lattice stripsthat are homeomorphic expansions of a strip of the kagome lattice. Thedependence of the ground state entropy on the form of homeomorphic expansion iselucidated.

Ground State Entropy of the Potts Antiferromagnet on Homeomorphic Expansions of Kagome Lattice Strips