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Peter Sjögren
Professor Emeritus
Department of Mathematical Sciences-
Variational Inequalities for the Ornstein-Uhlenbeck Semigroup: The Higher-Dimensional
Case
Valentina Casarino, Paolo Ciatti, Peter Sjögren
JOURNAL OF GEOMETRIC ANALYSIS - 2025 -
Some Harmonic Analysis in a General Gaussian
Setting
Valentina Casarino, Paolo Ciatti, Peter Sjögren
Trends in Mathematics - 2024 -
On the variation operator for the Ornstein-Uhlenbeck semigroup in dimension
one
V. Casarino, P. Ciatti, Peter Sjögren
Annali Di Matematica Pura Ed Applicata - 2024 -
On non-centered maximal operators related to a non-doubling and non-radial exponential
measure
A. Nowak, E. Sasso, Peter Sjögren, K. Stempak
Mathematische Annalen - 2023 -
On the maximal operator of a general Ornstein-Uhlenbeck
semigroup
V. Casarino, P. Ciatti, Peter Sjögren
Mathematische Zeitschrift - 2022 -
Riesz transforms of a general Ornstein–Uhlenbeck
semigroup
Valentina Casarino, Paolo Ciatti, Peter Sjögren
Calculus of Variations and Partial Differential Equations - 2021 -
ON THE RIESZ TRANSFORMS FOR THE INVERSE GAUSS
MEASURE
Tommaso Bruno, Peter Sjögren
Annales Fennici Mathematici - 2021 -
Sharp endpoint estimates for some operators associated with the Laplacian with drift in Euclidean
space
H. Q. Li, Peter Sjögren
Canadian Journal of Mathematics-Journal Canadien De Mathematiques - 2021 -
Estimates for Operators Related to the Sub-Laplacian with Drift in Heisenberg
Groups
H. Q. Li, Peter Sjögren
Journal of Fourier Analysis and Applications - 2021 -
Genuinely sharp heat kernel estimates on compact rank-one symmetric spaces, for Jacobi expansions, on a ball and on a
simplex
A. Nowak, Peter Sjögren, T. Z. Szarek
Mathematische Annalen - 2021 -
On the orthogonality of generalized eigenspaces for the Ornstein-Uhlenbeck
operator
V. Casarino, P. Ciatti, Peter Sjögren
Archiv der Mathematik - 2021 -
The maximal operator of a normal ornstein-uhlenbeck semigroup is of weak type (1,
1)
V. Casarino, P. Ciatti, Peter Sjögren
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze - 2020 -
ANALYSIS IN THE MULTI-DIMENSIONAL
BALL
Peter Sjögren, T. Z. Szarek
Mathematika - 2019 -
Sharp estimates of the spherical heat
kernel
A. Nowak, Peter Sjögren, T. Z. Szarek
Journal De Mathematiques Pures Et Appliquees - 2019 -
Minnen från studenttiden vid Göteborgs
universitet
Emin Tengström, Britta Olinder, Martin Fritz, Allan Svensson, Mats Oscarson, Britt-Mari Näsström, Peter Sjögren, Peter Tarnow, Henrik Zetterberg
2018 -
On the global Gaussian Lipschitz
space
Liguang Liu, Peter Sjögren
Proceedings of the Edinburgh Mathematical Society - 2017 -
The maximal operator of a normal Ornstein--Uhlenbeck semigroup is of weak type
(1,1).
Valentina Casarino, Paolo Ciatti, Peter Sjögren
arXiv - 2017 -
Sharp endpoint estimates for some operators associated with the Laplacian with drift in Euclidean
space.
Hong-Quan Li, Peter Sjögren
arXiv - 2017 -
Weak Type (1,1) Bounds for Some Operators Related to the Laplacian with Drift on Real Hyperbolic
Spaces
Hong Quan Li, Peter Sjögren
Potential Analysis - 2017 -
Maximal operators of exotic and non-exotic Laguerre and other semigroups associated with classical orthogonal
expansions
Adam Nowak, Peter Sjögren, Tomasz Z. Szarek
Advances in Mathematics - 2017 -
A characterization of the Gaussian Lipschitz space and sharp estimates for the Ornstein-Uhlenbeck Poisson
kernel
Liguang Liu, Peter Sjögren
Revista matemática iberoamericana - 2016 -
Weak type (1,1) of some operators for the Laplacian with
drift
Hong-Quan Li, Peter Sjögren, Yurong Wu
Mathematische Zeitschrift - 2016 -
Weak type (1, 1) for some operators related to the Laplacian with drift on real hyperbolic
spaces
Hong-Quan Li, Peter Sjögren
Preprint (serie utgiven vid Institutionen för matematiska vetenskaper i Göteborg) - 2015 -
Analysis related to all admissible type parameters in the Jacobi
setting
Adam Nowak, Peter Sjögren, Tomasz Z. Szarek
Constructive approximation - 2015 -
Wave extension problem for the fractional
Laplacian
Peter Sjögren, Jose Luis Torrea, Mikko Kemppainen
Discrete and Continuous Dynamical Systems. Series A - 2015 -
Bounds for maximal functions associated with rotational invariant measures in high
dimensions
Alberto Criado, Peter Sjögren
Journal of Geometric Analysis - 2014 -
A maximal function characterization of the Hardy space for the Gauss
measure
Giancarlo Mauceri, Stefano Meda, Peter Sjögren
Proceedings of the American Mathematical Society - 2013 -
Sharp estimates of the Jacobi heat
kernel
Adam Nowak, Peter Sjögren
Studia Mathematica - 2013 -
Heat maximal function on a Lie group of exponential
growth
Peter Sjögren, Maria Vallarino
Annales Academiæ Scientiarum Fennicæ Mathematica - 2012 -
Endpoint estimates for first-order Riesz transforms associated to the Ornstein--Uhlenbeck
operator
Giancarlo Mauceri, Stefano Meda, Peter Sjögren
Revista Matemática Iberoamericana - 2012 -
Ornstein-Uhlenbeck theory in finite
dimension
Adam Andersson, Peter Sjögren
2012 -
Calderón-Zygmund operators related to Jacobi
expansions
Adam Nowak, Peter Sjögren
Journal of Fourier Analysis and Applications - 2012 -
On the boundary convergence of solutions to the Hermite-Schrödinger
equation
Peter Sjögren, José Luis Torrea
Colloquium Mathematicum - 2010 -
Atomic decompositions and operators on Hardy
spaces
Stefano Meda, Peter Sjögren, Maria Vallarino
Revista de la Union Matematica Argentina - 2009 -
The Multi-Dimensional Pencil Phenomenon for Laguerre Heat-Diffusion Maximal
Operators
Adam Nowak, Peter Sjögren
Mathematische Annalen - 2009 -
On the H^1 - L^1 bundedness of
operators
Stefano Meda, Peter Sjögren, Maria Vallarino
Proc. Amer. Math. Soc. - 2008 -
Boundedness from H1 to L1 of Riesz Transforms on a Lie Group of Exponential
Growth
Peter Sjögren, Maria Vallarino
Annales de l'Institut Fourier - 2008 -
Riesz transforms for Jacobi
expansions
Adam Nowak, Peter Sjögren
Journal D Analyse Mathematique - 2008 -
Weak type (1, 1) estimates for maximal operators associated with various multi-dimensional systems of Laguerre
functions
Adam Nowak, Peter Sjögren
Indiana Univ. Math. J. - 2007 -
Sharp estimates for the Ornstein-Uhlenbeck
operator.
Giancarlo Mauceri, Stefano Meda, Peter Sjögren
Ann. Scuola Norm. Sup. Pisa Cl. Sci. (5) - 2006 -
Maximal operators related to the Ornstein-Uhlenbeck semigroup with complex time
parameter
Peter Sjögren
Journal of Functional Analysis - 2006 -
Boundedness of some Riesz operators on the NA group of
SL(3,C)
Jean-Philippe Anker, Garth Gaudry, Peter Sjögren
2004 -
Sharp estimates for the non-centered maximal operator associated to Gaussian and other radial
measures
Peter Sjögren, Fernando Soria
Adv. Math. - 2004 -
Maximal operators for the holomorphic Ornstein-Uhlenbeck
semigroup
Jose Garcia-Cuerva, Giancarlo Mauceri, Stefano Meda, Peter Sjögren
J. London Math. Soc. (2) - 2003 -
On the Lp boundedness of the non-centered Gaussian Hardy-Littewood maximal
function
Liliana Forzani, Roberto Scotto, Peter Sjögren, Wilfredo Urbina
Proc. Amer. Math. Soc. - 2002 -
Functional calculus for the Ornstein-Uhlenbeck
operator
José García-Cuerva, Giancarlo Mauceri, Stefano Meda, Peter Sjögren, José Luis Torrea
J. Funct. Anal. - 2001 -
Spectral multipliers for the Ornstein-Uhlenbeck
semigroup
J. García-Guerva, Giancarlo Mauceri, Peter Sjögren, José Luis Torrea
J. d'Analyse Math. - 1999 -
An estimate for a first-order Riesz operator on the affine
group
Peter Sjögren
Trans. Amer. Math. Soc. - 1999 -
Higher-order Riesz operators for the Ornstein-Uhlenbeck
semigroup
José Garcia-Cuerva, Giancarlo Mauceri, Peter Sjögren, José Luis Torrea
Potential Anal. - 1999 -
Operators associated with the Hermite semigroup - a
survey
Peter Sjögren
J. Fourier Anal. Appl. 3, Special issue - 1997 -
Approach regions for the square root of the Poisson kernel and bounded
functions
Peter Sjögren
Bull. Austral. Math. Soc. - 1997 -
On the maximal function for the Mehler
kernel
Peter Sjögren
Harmonic Analysis, Proceedings, Cortona 1982. Springer Lecture Notes in Mathematics 992 - 1983