We prove the -regularity of the Cauchy–Szegő projection (also known as the Szegő projection) for bounded domains which are strongly pseudoconvex and whose boundary satisfies the minimal regularity condition of class .
"The Cauchy–Szegő projection for domains in with minimal smoothness." Duke Math. J. 166 (1) 125 - 176, 15 January 2017. https://doi.org/10.1215/00127094-3714757