A note on the stong approximation of partial sums of φ mixing sequence
WEI Qi cai 1, ZHANG Wei hai 2(1.Dept. of Economics,Zhejiang Univ.Hangzhou, 310028 China; 2.Dept. of Applied Mathematics,Zhejiang Univ.Hangzhou, 310027 China)
While the mixing coefficients decreasing at the speed of logarithm, with the help of Strassen Skorohod embedding theorem,we discussed the strong approximation of partial sums of φ mixing sequence,improved the result of and increased the speed of strong approximation.