No CrossRef data available.
Published online by Cambridge University Press: 01 January 1998
Let A1,…, An be Lipschitz functions on R such that A′1,…, A′n∈VMO. We show that on any bounded interval, the Calderón commutator associated with the kernel (A1(x)−A1(y)) …(An(x) −An(y))/(x−y) n+1 is a compact perturbation of −πiHMA′1… A′n, where H is the Hilbert transform.