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给出了行扩展正和列式的定义,证明了三个计算方法数的定理,从而将用正行列式解决排列问题的方法推广到含附加条件的n类元素的排列问......
This study searches for possibility of quantitative models in human resources management (HRM). Quantitative methods tur......
This paper is devoted to the quasilinear equation {u=0 on ■Ω-div(w1|■u}^p-2■u=w2f(u)in Ω,where p > 2,Ω is a(bounde......