The property log(f)∈BMO(Rn) in terms of Riesz transforms
Ioann Vasilyev
所有作者
Ioann Vasilyev
文献摘要
The condition mentioned in the title is equivalent to the representability of f as the quotient f=v1/v2, where v1 and v2 obey the inequalities ∣Rjvi∣≤C∣vi∣ for i=1,2 and j=1,…,n. Here, R1,…,Rn are the Riesz transformations.