EntityQ5426031· pop 6· linked from 13 articlesFKT algorithmSign in to savealgorithm for counting perfect matchings in planar graphsConnectionswaterEntitychemistryEntityInternational Standard Book NumberEntitydigital object identifierEntityInternational Standard Serial NumberEntitydeterminantEntitygraphEntitystatistical mechanicsEntitybibcodeEntityQ118398EntityArthur CayleyEntityif and only ifEntitycomplete graphEntityQ22908627Entityadjacency matrixEntityplanar graphEntitydiatomic moleculeEntityskew-symmetric matrixEntitypartition functionEntityHandle SystemEntityCategoriesGraph algorithmsPlanar graphs