Casarino, Valentina; Ciatti, Paolo; Sjögren, Peter On the variation operator for the Ornstein-Uhlenbeck semigroup in dimension one. (English) Zbl 07785699 Ann. Mat. Pura Appl. (4) 203, No. 1, 205-219 (2024). MSC: 47J20 47D03 PDFBibTeX XMLCite \textit{V. Casarino} et al., Ann. Mat. Pura Appl. (4) 203, No. 1, 205--219 (2024; Zbl 07785699) Full Text: DOI arXiv OA License
Casarino, Valentina; Ciatti, Paolo; Sjögren, Peter On the maximal operator of a general Ornstein-Uhlenbeck semigroup. (English) Zbl 07540293 Math. Z. 301, No. 3, 2393-2413 (2022). MSC: 47D03 42B25 PDFBibTeX XMLCite \textit{V. Casarino} et al., Math. Z. 301, No. 3, 2393--2413 (2022; Zbl 07540293) Full Text: DOI arXiv
Li, Hong-Quan; Sjögren, Peter Estimates for operators related to the sub-Laplacian with drift in Heisenberg groups. (English) Zbl 1485.58022 J. Fourier Anal. Appl. 28, No. 1, Paper No. 10, 29 p. (2022). Reviewer: Daniel Beltiţă (Bucureşti) MSC: 58J35 22E25 43A80 58C35 PDFBibTeX XMLCite \textit{H.-Q. Li} and \textit{P. Sjögren}, J. Fourier Anal. Appl. 28, No. 1, Paper No. 10, 29 p. (2022; Zbl 1485.58022) Full Text: DOI
Li, Hong-Quan; Sjögren, Peter Sharp endpoint estimates for some operators associated with the Laplacian with drift in Euclidean space. (English) Zbl 1484.42015 Can. J. Math. 73, No. 5, 1278-1304 (2021). Reviewer: Giorgi Oniani (Kutaisi) MSC: 42B20 42B25 58J35 PDFBibTeX XMLCite \textit{H.-Q. Li} and \textit{P. Sjögren}, Can. J. Math. 73, No. 5, 1278--1304 (2021; Zbl 1484.42015) Full Text: DOI arXiv
Bruno, Tommaso; Sjögren, Peter On the Riesz transforms for the inverse Gauss measure. (English) Zbl 07395001 Ann. Fenn. Math. 46, No. 1, 433-448 (2021). Reviewer: Ion Mihai (Bucureşti) MSC: 47B90 42B20 47B34 58J35 PDFBibTeX XMLCite \textit{T. Bruno} and \textit{P. Sjögren}, Ann. Fenn. Math. 46, No. 1, 433--448 (2021; Zbl 07395001) Full Text: DOI arXiv
Casarino, Valentina; Ciatti, Paolo; Sjögren, Peter The maximal operator of a normal Ornstein-Uhlenbeck semigroup is of weak type \((1,1)\). (English) Zbl 07373221 Ann. Sc. Norm. Super. Pisa, Cl. Sci. (5) 21, Spec. Iss., 385-410 (2020). MSC: 47D03 42B25 PDFBibTeX XMLCite \textit{V. Casarino} et al., Ann. Sc. Norm. Super. Pisa, Cl. Sci. (5) 21, 385--410 (2020; Zbl 07373221) Full Text: DOI arXiv
Nowak, Adam; Sjögren, Peter; Szarek, Tomasz Z. Maximal operators of exotic and non-exotic Laguerre and other semigroups associated with classical orthogonal expansions. (English) Zbl 1372.42023 Adv. Math. 318, 307-354 (2017). MSC: 42C10 42C05 PDFBibTeX XMLCite \textit{A. Nowak} et al., Adv. Math. 318, 307--354 (2017; Zbl 1372.42023) Full Text: DOI arXiv
Li, Hong-Quan; Sjögren, Peter Weak type (1,1) bounds for some operators related to the Laplacian with drift on real hyperbolic spaces. (English) Zbl 1362.42045 Potential Anal. 46, No. 3, 463-484 (2017). MSC: 42B25 58J35 PDFBibTeX XMLCite \textit{H.-Q. Li} and \textit{P. Sjögren}, Potential Anal. 46, No. 3, 463--484 (2017; Zbl 1362.42045) Full Text: DOI
Liu, Liguang; Sjögren, Peter A characterization of the Gaussian Lipschitz space and sharp estimates for the Ornstein-Uhlenbeck Poisson kernel. (English) Zbl 1372.46028 Rev. Mat. Iberoam. 32, No. 4, 1189-1210 (2016). Reviewer: Sven-Ake Wegner (Wuppertal) MSC: 46E35 47D03 26A16 28C20 PDFBibTeX XMLCite \textit{L. Liu} and \textit{P. Sjögren}, Rev. Mat. Iberoam. 32, No. 4, 1189--1210 (2016; Zbl 1372.46028) Full Text: DOI arXiv
Li, Hong-Quan; Sjögren, Peter; Wu, Yurong Weak type \((1,1)\) of some operators for the Laplacian with drift. (English) Zbl 1343.42020 Math. Z. 282, No. 3-4, 623-633 (2016). Reviewer: Wen Yuan (Beijing) MSC: 42B20 42B25 58J35 PDFBibTeX XMLCite \textit{H.-Q. Li} et al., Math. Z. 282, No. 3--4, 623--633 (2016; Zbl 1343.42020) Full Text: DOI
Nowak, Adam; Sjögren, Peter; Szarek, Tomasz Z. Analysis related to all admissible type parameters in the Jacobi setting. (English) Zbl 1319.42024 Constr. Approx. 41, No. 2, 185-218 (2015). Reviewer: Krzysztof Stempak (Wrocław) MSC: 42C05 42C10 PDFBibTeX XMLCite \textit{A. Nowak} et al., Constr. Approx. 41, No. 2, 185--218 (2015; Zbl 1319.42024) Full Text: DOI arXiv
Criado, Alberto; Sjögren, Peter Bounds for maximal functions associated with rotational invariant measures in high dimensions. (English) Zbl 1306.42031 J. Geom. Anal. 24, No. 2, 595-612 (2014). Reviewer: Santiago Boza (Vilanova i la Geltrú) MSC: 42B25 PDFBibTeX XMLCite \textit{A. Criado} and \textit{P. Sjögren}, J. Geom. Anal. 24, No. 2, 595--612 (2014; Zbl 1306.42031) Full Text: DOI arXiv
Mauceri, Giancarlo; Meda, Stefano; Sjögren, Peter A maximal function characterization of the Hardy space for the Gauss measure. (English) Zbl 1266.42054 Proc. Am. Math. Soc. 141, No. 5, 1679-1692 (2013). Reviewer: Yasuo Komori-Furuya (Kanagawa) MSC: 42B30 42B35 42C10 PDFBibTeX XMLCite \textit{G. Mauceri} et al., Proc. Am. Math. Soc. 141, No. 5, 1679--1692 (2013; Zbl 1266.42054) Full Text: DOI arXiv
Nowak, Adam; Sjögren, Peter Calderón-Zygmund operators related to Jacobi expansions. (English) Zbl 1260.42017 J. Fourier Anal. Appl. 18, No. 4, 717-749 (2012). Reviewer: Krzysztof Stempak (Wrocław) MSC: 42C05 42C10 PDFBibTeX XMLCite \textit{A. Nowak} and \textit{P. Sjögren}, J. Fourier Anal. Appl. 18, No. 4, 717--749 (2012; Zbl 1260.42017) Full Text: DOI arXiv
Nowak, Adam; Sjögren, Peter The multi-dimensional pencil phenomenon for Laguerre heat-diffusion maximal operators. (English) Zbl 1178.42028 Math. Ann. 344, No. 1, 213-248 (2009). Reviewer: Stefan G. Samko (Faro) MSC: 42C10 42B25 PDFBibTeX XMLCite \textit{A. Nowak} and \textit{P. Sjögren}, Math. Ann. 344, No. 1, 213--248 (2009; Zbl 1178.42028) Full Text: DOI arXiv
Nowak, Adam; Sjögren, Peter Riesz transforms for Jacobi expansions. (English) Zbl 1151.43007 J. Anal. Math. 104, 341-369 (2008). Reviewer: Roman Urban (Wrocław) MSC: 43A90 PDFBibTeX XMLCite \textit{A. Nowak} and \textit{P. Sjögren}, J. Anal. Math. 104, 341--369 (2008; Zbl 1151.43007) Full Text: DOI arXiv
Meda, Stefano; Sjögren, Peter; Vallarino, Maria On the \(H^1-L^1\) boundedness of operators. (English) Zbl 1273.42021 Proc. Am. Math. Soc. 136, No. 8, 2921-2931 (2008). MSC: 42B30 46A22 PDFBibTeX XMLCite \textit{S. Meda} et al., Proc. Am. Math. Soc. 136, No. 8, 2921--2931 (2008; Zbl 1273.42021) Full Text: DOI arXiv
Sjögren, Peter; Vallarino, Maria Boundedness from \(H^1\) to \(L^1\) of Riesz transforms on a Lie group of exponential growth. (English) Zbl 1181.43003 Ann. Inst. Fourier 58, No. 4, 1117-1151 (2008). Reviewer: Vladimir V. Kisil (Leeds) MSC: 43A80 42B20 42B30 22E30 PDFBibTeX XMLCite \textit{P. Sjögren} and \textit{M. Vallarino}, Ann. Inst. Fourier 58, No. 4, 1117--1151 (2008; Zbl 1181.43003) Full Text: DOI arXiv Numdam EuDML
Sjögren, Peter Maximal operators related to the Ornstein–Uhlenbeck semigroup with complex time parameter. (English) Zbl 1102.47025 J. Funct. Anal. 237, No. 2, 675-688 (2006). Reviewer: Heinrich Hering (Rockenberg) MSC: 47D03 47D06 PDFBibTeX XMLCite \textit{P. Sjögren}, J. Funct. Anal. 237, No. 2, 675--688 (2006; Zbl 1102.47025) Full Text: DOI
Mauceri, Giancarlo; Meda, Stefano; Sjögren, Peter Sharp estimates for the Ornstein-Uhlenbeck operator. (English) Zbl 1116.47036 Ann. Sc. Norm. Super. Pisa, Cl. Sci. (5) 3, No. 3, 447-480 (2004). Reviewer: Anatoliy Swishchuk (Calgary) MSC: 47D06 47A60 47N30 60G15 PDFBibTeX XMLCite \textit{G. Mauceri} et al., Ann. Sc. Norm. Super. Pisa, Cl. Sci. (5) 3, No. 3, 447--480 (2004; Zbl 1116.47036) Full Text: EuDML
García-Cuerva, José; Mauceri, Giancarlo; Meda, Stefano; Sjögren, Peter; Torrea, José Luis Functional calculus for the Ornstein-Uhlenbeck operator. (English) Zbl 0995.47010 J. Funct. Anal. 183, No. 2, 413-450 (2001). Reviewer: Mikhail Yu.Kokurin (Yoshkar-Ola) MSC: 47A60 47B15 PDFBibTeX XMLCite \textit{J. García-Cuerva} et al., J. Funct. Anal. 183, No. 2, 413--450 (2001; Zbl 0995.47010) Full Text: DOI
García-Cuerva, José; Mauceri, Giancarlo; Sjögren, Peter; Torrea, José Luis Spectral multipliers for the Ornstein-Uhlenbeck semigroup. (English) Zbl 0939.42007 J. Anal. Math. 78, 281-305 (1999). Reviewer: Maria Roginskaya (Göteborg) MSC: 42B15 42B25 42B20 47D03 47A60 PDFBibTeX XMLCite \textit{J. García-Cuerva} et al., J. Anal. Math. 78, 281--305 (1999; Zbl 0939.42007) Full Text: DOI
Sjögren, Peter An estimate for a first-order Riesz operator on the affine group. (English) Zbl 0920.43006 Trans. Am. Math. Soc. 351, No. 8, 3301-3314 (1999). Reviewer: K.Saka (Akita) MSC: 43A80 42B20 22E30 PDFBibTeX XMLCite \textit{P. Sjögren}, Trans. Am. Math. Soc. 351, No. 8, 3301--3314 (1999; Zbl 0920.43006) Full Text: DOI
Sjögren, Peter Operators associated with the Hermite semigroup - a survey. (English) Zbl 0916.42014 J. Fourier Anal. Appl. 3, Spec. Iss., 813-823 (1997). Reviewer: Terence Tao (Los Angeles) MSC: 42B25 35K05 42-02 42B20 PDFBibTeX XMLCite \textit{P. Sjögren}, J. Fourier Anal. Appl. 3, 813--823 (1997; Zbl 0916.42014) Full Text: DOI EuDML
Sjögren, Peter; Soria, Fernando Weak type (1,1) estimates for some integral operators related to rough maximal functions. (English) Zbl 0907.42014 Isr. J. Math. 95, 211-229 (1996). Reviewer: Maria Roginskaya (St.Peterburg) MSC: 42B25 PDFBibTeX XMLCite \textit{P. Sjögren} and \textit{F. Soria}, Isr. J. Math. 95, 211--229 (1996; Zbl 0907.42014) Full Text: DOI
Gaudry, G. I.; Qian, T.; Sjögren, P. Singular integrals associated to the Laplacian on the affine group \(ax+b\). (English) Zbl 0776.43003 Ark. Mat. 30, No. 2, 259-281 (1992). Reviewer: Jean-Paul Pier (Luxembourg) MSC: 43A80 43A15 44A10 42B20 43A65 PDFBibTeX XMLCite \textit{G. I. Gaudry} et al., Ark. Mat. 30, No. 2, 259--281 (1992; Zbl 0776.43003) Full Text: DOI
Sjögren, Peter Translation-invariant operators on weak \(L^ 1\). (English) Zbl 0705.47028 J. Funct. Anal. 89, No. 2, 410-427 (1990). Reviewer: I.Gottlieb MSC: 47B38 PDFBibTeX XMLCite \textit{P. Sjögren}, J. Funct. Anal. 89, No. 2, 410--427 (1990; Zbl 0705.47028) Full Text: DOI
Giulini, Saverio; Sjoegren, Peter A note on maximal functions on a solvable Lie group. (English) Zbl 0693.42020 Arch. Math. 55, No. 2, 156-160 (1990). Reviewer: S.Giulini MSC: 42B25 43A85 PDFBibTeX XMLCite \textit{S. Giulini} and \textit{P. Sjoegren}, Arch. Math. 55, No. 2, 156--160 (1990; Zbl 0693.42020) Full Text: DOI
Sjögren, Peter Asymptotic behaviour of generalized Poisson integrals in rank one symmetric spaces and in trees. (English) Zbl 0696.43008 Ann. Sc. Norm. Super. Pisa, Cl. Sci., IV. Ser. 15, No. 1, 99-113 (1988). Reviewer: M.Picardello MSC: 43A90 43A85 53C35 43A32 31C05 PDFBibTeX XMLCite \textit{P. Sjögren}, Ann. Sc. Norm. Super. Pisa, Cl. Sci., IV. Ser. 15, No. 1, 99--113 (1988; Zbl 0696.43008) Full Text: Numdam EuDML
Ricci, Fulvio; Sjögren, Peter Two-parameter maximal functions in the Heisenberg group. (English) Zbl 0638.42019 Math. Z. 199, No. 4, 565-575 (1988). Reviewer: F.Ricci MSC: 42B25 PDFBibTeX XMLCite \textit{F. Ricci} and \textit{P. Sjögren}, Math. Z. 199, No. 4, 565--575 (1988; Zbl 0638.42019) Full Text: DOI EuDML
Carlsson, Hasse; Sjögren, Peter Estimates for maximal functions along hypersurfaces. (English) Zbl 0629.42010 Ark. Mat. 25, 1-14 (1987). Reviewer: Neil A. Watson (Christchurch) MSC: 42B25 PDFBibTeX XMLCite \textit{H. Carlsson} and \textit{P. Sjögren}, Ark. Mat. 25, 1--14 (1987; Zbl 0629.42010) Full Text: DOI
Carlsson, Hasse; Sjögren, Peter; Strömberg, Jan-Olov Multiparameter maximal functions along dilation-invariant hypersurfaces. (English) Zbl 0578.42018 Trans. Am. Math. Soc. 292, 335-343 (1985). MSC: 42B25 PDFBibTeX XMLCite \textit{H. Carlsson} et al., Trans. Am. Math. Soc. 292, 335--343 (1985; Zbl 0578.42018) Full Text: DOI
Sjögren, Peter A Fatou theorem for eigenfunctions of the Laplace-Beltrami operator in a symmetric space. (English) Zbl 0543.43007 Duke Math. J. 51, 47-56 (1984). Reviewer: M.Cowling MSC: 43A85 35B40 35P10 PDFBibTeX XMLCite \textit{P. Sjögren}, Duke Math. J. 51, 47--56 (1984; Zbl 0543.43007) Full Text: DOI
Madan, Shobha; Sjögren, Peter Poisson integrals of absolutely continuous and other measures. (English) Zbl 0536.31005 Math. Proc. Camb. Philos. Soc. 95, 141-147 (1984). Reviewer: E.J.Akutowicz MSC: 31B10 PDFBibTeX XMLCite \textit{S. Madan} and \textit{P. Sjögren}, Math. Proc. Camb. Philos. Soc. 95, 141--147 (1984; Zbl 0536.31005) Full Text: DOI
Sjoegren, Peter Riemann sums for stochastic integrals and \(L^ p\) moduli of continuity. (English) Zbl 0477.60055 Z. Wahrscheinlichkeitstheor. Verw. Geb. 59, 411-424 (1982). MSC: 60H05 60G17 PDFBibTeX XMLCite \textit{P. Sjoegren}, Z. Wahrscheinlichkeitstheor. Verw. Geb. 59, 411--424 (1982; Zbl 0477.60055) Full Text: DOI
Sjögren, Peter; Sjölin, Per Littlewood-Paley decompositions and Fourier multipliers with singularities on certain sets. (English) Zbl 0437.42011 Ann. Inst. Fourier 31, No. 1, 157-175 (1981). MSC: 42B25 PDFBibTeX XMLCite \textit{P. Sjögren} and \textit{P. Sjölin}, Ann. Inst. Fourier 31, No. 1, 157--175 (1981; Zbl 0437.42011) Full Text: DOI Numdam EuDML