Escauriaza, Luis; Hofmann, Steve Kato square root problem with unbounded leading coefficients. (English) Zbl 1400.35041 Proc. Am. Math. Soc. 146, No. 12, 5295-5310 (2018). MSC: 35B45 35J15 35J25 42B20 42B37 47B44 35K15 47D06 PDFBibTeX XMLCite \textit{L. Escauriaza} and \textit{S. Hofmann}, Proc. Am. Math. Soc. 146, No. 12, 5295--5310 (2018; Zbl 1400.35041) Full Text: DOI arXiv
Bortz, Simon; Hofmann, Steve A singular integral approach to a two phase free boundary problem. (English) Zbl 1361.42012 Proc. Am. Math. Soc. 144, No. 9, 3959-3973 (2016). Reviewer: Pierre Portal (Canberra) MSC: 42B20 42B37 35R35 31B05 31B25 35J08 35J25 PDFBibTeX XMLCite \textit{S. Bortz} and \textit{S. Hofmann}, Proc. Am. Math. Soc. 144, No. 9, 3959--3973 (2016; Zbl 1361.42012) Full Text: DOI arXiv
Hofmann, Steve Dahlberg’s bilinear estimate for solutions of divergence form complex elliptic equations. (English) Zbl 1172.42006 Proc. Am. Math. Soc. 136, No. 12, 4223-4233 (2008). Reviewer: Maria Alessandra Ragusa (Catania) MSC: 42B20 42B25 PDFBibTeX XMLCite \textit{S. Hofmann}, Proc. Am. Math. Soc. 136, No. 12, 4223--4233 (2008; Zbl 1172.42006) Full Text: DOI arXiv
Hofmann, S.; Iosevich, A. Circular averages and Falconer/Erdős distance conjecture in the plane for random metrics. (English) Zbl 1096.28004 Proc. Am. Math. Soc. 133, No. 1, 133-143 (2005). MSC: 28A75 28A78 42B10 52C10 PDFBibTeX XMLCite \textit{S. Hofmann} and \textit{A. Iosevich}, Proc. Am. Math. Soc. 133, No. 1, 133--143 (2005; Zbl 1096.28004) Full Text: DOI arXiv
Hofmann, Steve A note on weighted Sobolev spaces, and regularity of commutators and layer potentials associated to the heat equation. (English) Zbl 0780.35048 Proc. Am. Math. Soc. 118, No. 4, 1087-1096 (1993). MSC: 35K20 35B65 42A50 46E35 42B25 PDFBibTeX XMLCite \textit{S. Hofmann}, Proc. Am. Math. Soc. 118, No. 4, 1087--1096 (1993; Zbl 0780.35048) Full Text: DOI
Hofmann, Steve Singular integrals with power weights. (English) Zbl 0717.42018 Proc. Am. Math. Soc. 110, No. 2, 343-353 (1990). Reviewer: K.Yabuta MSC: 42B20 PDFBibTeX XMLCite \textit{S. Hofmann}, Proc. Am. Math. Soc. 110, No. 2, 343--353 (1990; Zbl 0717.42018) Full Text: DOI
Hofmann, Steve Weighted weak-type (1,1) inequalities for rough operators. (English) Zbl 0694.42024 Proc. Am. Math. Soc. 107, No. 2, 423-435 (1989). Reviewer: D.S.Kurtz MSC: 42B20 PDFBibTeX XMLCite \textit{S. Hofmann}, Proc. Am. Math. Soc. 107, No. 2, 423--435 (1989; Zbl 0694.42024) Full Text: DOI
Hofmann, Steve Weak (1,1) boundedness of singular integrals with nonsmooth kernel. (English) Zbl 0677.42013 Proc. Am. Math. Soc. 103, No. 1, 260-264 (1988). Reviewer: T.Murai MSC: 42B20 PDFBibTeX XMLCite \textit{S. Hofmann}, Proc. Am. Math. Soc. 103, No. 1, 260--264 (1988; Zbl 0677.42013) Full Text: DOI