共 50 条
DECIDING FRATTINI IS NP-COMPLETE
被引:4
|作者:
RYTER, CH
[1
]
SCHMID, J
[1
]
机构:
[1] UNIV BERN,DEPT MATH,CH-3012 BERN,SWITZERLAND
来源:
关键词:
PARTIALLY ORDERED SET;
FRATTINI SUBLATTICE;
NP-COMPLETE;
D O I:
10.1007/BF02115815
中图分类号:
O1 [数学];
学科分类号:
0701 ;
070101 ;
摘要:
We show that it is a NP-complete problem to decide whether a finite poset arises as the (Birkhoff) dual of the Frattini sublattice of some finite distributive lattice.
引用
收藏
页码:257 / 279
页数:23
相关论文