The commutators [b, T] to be considered in this paper are composed of singular integral operators with Dini-type kernel defined as above and BMO functions.

• 本文考虑上述核具Dini型条件的奇异积分算子T与BMO函数构成的交换子[b,T]的端点估计,证明了交换子[b,T]满足L(log L)型不等式: