多元最小上界通常会存在大量的冗余，从而增加概念最小上近似表达式的复杂性。
In general, multielement least upper bounds may contain much redundancy, which will increase the expression complexity of the least upper approximation of a concept.
用鞅方法得到了最终破产概率的上界及其具体表达式。
Using martingale approaches to obtain the upper bound of the ruin probability and it's expression.
应用推荐