讨论了一类含有一个割点的有限分配格,给出了一类非匹配分配格:当m,n≥3时,m+n型有限分配格L是非匹配分配格.
A finite districbutive lattices with a cut vertex was discussed. A class of unmatchable distributive lattice is givan: if m,n≥3, then finite distributive lattices on m + n type are unmatchable distributive lattice.