2 papers
math.CA2026
Mollified disc multipliers
Anthony Carbery, Andreas Seeger
We prove a sharp boundedness result on for mollifications of the disc multiplier.
math.CA2026
A lower bound for a variation norm operator associated with circular means
David Beltran, Anthony Carbery, Luz Roncal +1
We prove that a local variation norm estimate fails for circular means in two dimensions, and quantify this failure by proving lower bounds for functions of exponential…