To lower the cross-tier intercell interference(ICI) between macrocell and microcell,three user selection algorithms for ......

运用图的最优填充分解定理和局部最优填充定理，将一些特殊图类G1×G2，S（G），R（G）和双圈图分解为一些可求得最小填充数的图，得到如下结果......

This paper is motivated by the concept of the signed k-domination problem and dedicated to the complexity of the problem......