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Umeå universitet
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Personalbild Tord Sjödin

Tord Sjödin

Matematisk analys, potentialteori och sannolikhetsteori

Kontakt

E-post
tord.sjodin@umu.se
Telefon
090-786 88 22

Verksam vid

Anknytning
Anknuten som övrig/annan befattning till Institutionen för matematik och matematisk statistik
Plats
MIT-huset, plan 3, Matematik och matematisk statistik, B316 Umeå universitet, 901 87 Umeå
2019
On Mixtures of Gamma Distributions, Distributions with Hyperbolically Monotone Densities and Generalized Gamma Convolutions (GGC)
Probability and Mathematical Statistics
Sjödin, Tord
2018
A Short and Unified Proof of Kummer's Test
Sjödin, Tord
2018
On the almost everywhere differentiability of the metric projection on closed sets in lp(ℝn), 2 < p < ∞
Czechoslovak Mathematical Journal, Berlin/Heidelberg: Springer 2018, Vol. 68, (143) : 943-951
Sjödin, Tord
2015
Explaining Kummer's test
Sjödin, Tord
2015
Continuous functions and Riesz type potentials in homogeneous spaces
Potential Analysis, New York: Springer-Verlag New York 2015, Vol. 43, (3) : 495-511
Sjödin, Tord
2015
On Multivariate Hyperbolically Completely Monotone Densities and Their Laplace transforms
Sjödin, Tord
2014
The fundamental theorem of algebra
Proofs from THE BOOK, Berlin-Heidelberg: Springer 2014 : 147-149
Sjödin, Tord
2013
Polar sets and capacitary potentials in homogeneous spaces
Annales Academiae Scientiarum Fennicae Mathematica, Helsingfors: 2013, Vol. 38 : 771-783
Sjödin, Tord
2012
Wolff's inequality in multi-parameter Morrey spaces
Mathematische Zeitschrift, Berlin: Springer 2012, Vol. 271, (3) : 781-787
Sjödin, Tord
2009
A note on Gram-Schmidt's algorithm for a general angle
Normat, Göteborg: 2009, Vol. 57, (4) : 173-179
Sjödin, Tord
2008
Beurling's analyticity theorem for quantum differences
Manuscripta mathematica, Berlin: Springer-Verlag 2008, Vol. 127, (3) : 369-380
Sjödin, Tord
2007
Bernstein's analyticity theorem for quantum differences
Czechoslovak Mathematical Journal, Berlin: Springer Verlag 2007, Vol. 57, (1) : 67-73
Sjödin, Tord
2007
Weighted Lp-inequalities for multi-parameter Riesz type potentials and strong fractional maximal operators
Mathematische Annalen, Berlin: Springer-Verlag 2007, Vol. 337 : 317-333
Sjödin, Tord
2004
A note on the harmonic derivative
Real Analysis Exchange, Vol. 30 : 11-21
Sjödin, Tord
1999
Bernstein's analyticity theorem for binary differences
Mathematische Annalen, Berlin: Springer-Verlag 1999, Vol. 315, (2) : 251-261
Sjödin, Tord
1997
A note on capacity and Hausdorff measure in homogeneous spaces
Potential analysis, Vol. 6
Sjödin, Tord
1997
On s-sets and mutual absolute continuity of measures on homogeneous spaces
Manuscripta Mathematica, Berlin: Springer-Verlag 1997, Vol. 94 : 169-186
Sjödin, Tord
1997
Thinness in non-linear potential theory for non-isotropic Sobolev spaces
Ann. Acad. Aci. Fenn., Vol. 22
Sjödin, Tord
1993
Local and global weighted norm inequalities for thr sharp function and the Hardy-Littlewood maximal function
Ricerche di Matamatica, Vol. 42, (2)
Sjödin, Tord
1990
Weighted norm inequalities for Riesz potentials and fractional maximal functions in mixed norm Lebesgue spaces
Studia Mathematica, Warszawa: Polish Academy of Sciences 1990, Vol. 97, (3) : 239-244
Sjödin, Tord
1990
Biomathematics and the fate map of the amphibian blastula
Rivista di Biologia - Biology forum, Rom: ANICIA 1990, Vol. 83, (1) : 81-92
Sjödin, Tord; Løvtrup, Søren
1988
Nonlinear potential theory in Lebesque spaces with mixed norm
Potential Theory, Prague, 1987, New York: Plenum Publishing Corporation 1988 : 325-331
Sjödin, Tord
1987
A note on the Carleman condition for determinacy of moment problems
Arkiv för matematik, Djursholm, Sweden: Institut Mittag-Leffler 1987, Vol. 25, (2) : 289-294
Sjödin, Tord
1985
A generalization of a theorem of G. Freud on the differentiability of functions
Acta Scientarum Mathematicarum, Szeged: Inst. Bolyaianum Univ. Szegediensis 1985, Vol. 49, (1-4) : 271-281
Sjödin, Tord
1984
On ordinary differentiability of Bessel potentials
Annales Polonici Mathematici, Warszawa: Polska Akademia Nauk 1984, Vol. 44, (3) : 325-352
Sjödin, Tord
1982
On Lp-differentiability and difference properties of functions
Studia Mathematica, Warszawa: Polska Akademia Nauk 1982, Vol. 74, (2) : 153-168
Sjödin, Tord
1982
On properties of functions with conditions on their mean oscillation over cubes
Arkiv för matematik, Djursholm: Inst. Mittag-Leffler 1982, Vol. 20, (2) : 275-291
Sjödin, Tord
1978
Capacities of compact sets in linear subspaces of R^n
Pacific Journal of Mathematics, Los Angeles: Pacific Journal of Mathematics 1978, Vol. 78, (1) : 261-266
Sjödin, Tord
1975
Bessel potentials and extension of continuous functione on compact sets
Arkiv för matematik, Djursholm: Institut Mittag-Leffler 1975, Vol. 13, (2) : 263-271
Sjödin, Tord
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Matematisk modellering och analys