Abstract
In this note we present a different approach to the $A_\infty$ extrapolation via Carleson measures developed in [HM] and we illustrate the use of this technique by reproving a well known result of [FKP].
Information
In this note we present a different approach to the $A_\infty$ extrapolation via Carleson measures developed in [HM] and we illustrate the use of this technique by reproving a well known result of [FKP].