Let Y1,Y2…Yn be mutually independent taking random yariables of positive-integer value.A denote the event that Yi-Yi+1 i>0 for all i=1,2,…,n-1.Then we show th
In this paper we prove that for quasilinear hyperbolic systems of diagonal form,the blow-up point of classical solutions must be the starting point of an envelo
This paper gives some further research on the basic of paper[2].The theorem of paper[2] is improved and proved here.considering the limitations of this theorem,
Let X and Y be metrizable topological linear spaces.In this paper,the following results are proved:(1)If X and Y are complete,F;X→Y is a point closed u.s.c.,an