We give a geometric representation of free De Morgan bisemigroups,free commutative De Morgan bisemigroups, and free De M......

Algorithms used in data mining and bioinformatics have to deal with huge amount of data efficiently.In many applications......

主要给出了QT-图（quasi-threshold graph）中两种寻找最小路覆盖的方法。假设QT-图G有m条边,n个顶点,首先,应用余图中寻找最小路覆盖......