Perfect matchings on a type of lattices with toroidal boundary

(整期优先)网络出版时间:2019-01-11
/ 1
Enumerationofperfectmatchingsongraphshasalongstandinginterestincombinatorialmathematics.Inthispaper,weobtainsomeexplicitexpressionsofthenumberofperfectmatchingsforatypeofArchimedeanlatticeswithtoroidalboundarybyapplyingTesler'scrossingorientationstoobtainsomePfaffianorientationsandenumeratingtheirPfaffians.