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试证明: 设I=(0,1],a∈(0,1),且定义 又对任意的区间,记 f(1)(J)=J,f(2)(J)=f[f(J)],…, f(n)(J)=f[f(n-
试证明:
设I=(0,1],a∈(0,1),且定义
又对任意的区间,记
f(1)(J)=J,f(2)(J)=f[f(J)],…,
f(n)(J)=f[f(n-1)(J)],….
则存在n0,使得.
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试证明:
设I=(0,1],a∈(0,1),且定义
又对任意的区间,记
f(1)(J)=J,f(2)(J)=f[f(J)],…,
f(n)(J)=f[f(n-1)(J)],….
则存在n0,使得.
试证明:
设{fm,n(x)}是[0,1]上的双指标可测函数列,且有
(i),a.e.x∈[0,1];
(ii),a.e.x∈[0,1],
则存在子列{fmk,nk(x)},使得,a.e.x∈[0,1].
设fn∈C(1)([0,1]),‖f'n‖∞≤1(n∈N).若对一切g∈C([0,1]),有,试证明
.
试证明:
设fn∈L([0,1]),fn(x)≥0(x∈[0,1])且(n∈N).若
,则对a.e.x∈[0,1],存在N,使得
(n>N).