摘要
In this paper, some classes of differentiation basis are investigated and several positive answers to a conjecture of Zygmund on differentiation of integrals are presented.
In this paper, some classes of differentiation basis are investigated and several positive answers to a conjecture of Zygmund on differentiation of integrals are presented.
基金
the National Natural Science Foundation of China(10571156)
RSDP(20030335019)
the Natural Science Foundation of Zhejiang Province(RC97017)
supported partially by the National Natural Science Foundation of China(10601046).