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Jens Christensen
Associate Professor of Mathematics
Department/Office Information
MathematicsContact
BS, University of Copenhagen, 2003; MS, Louisiana State University, 2006 and University of Copenhagen 2003; PhD, Louisiana State University, 2009
Research Associate at the Norbert Wiener Center, University of Maryland, College Park, 2009-2011
Norbert Wiener Assistant Professor at Tufts University 2011-2013
Harmonic analysis, wavelets, function spaces, sampling theory, mean value operators
Analysis, calculus
- The Uncertainty Principle for Operators Determined by Lie Groups , J. Fourier Anal. Appl. 10 (2004), no. 5, 541--544.
- An uncertainty principle related to the Euclidean motion group , w. H. Schlichtkrull, Math. Proc. R. Ir. Acad. 104A (2004), no. 2, 249--252 (electronic)
- Examples of Coorbit Spaces for Dual Pairs , w. G. Olafsson, Acta Appl. Math. 107 (2009), no. 1-3, 25--48.
- Coorbit Spaces for Dual Pairs, w. G. Olafsson, Appl. Comp. Harm. Anal. Vol. 31 Issue 2 (2011), 303-324
- Sampling in reproducing kernel Banach spaces on Lie groups, Journal of Approximation Theory, Vol. 164 Issue 1 (2012), 179-203
- Sampling in spaces of bandlimited functions on commutative spaces, w. G. Olafsson, Chapter in Applied and Numerical Harmonic Analysis book Excursions in Harmonic Analysis, Volume 1.
- Coorbit description and atomic decomposition of Besov spaces, w. A. Mayeli and G. Olafsson, Numer. Funct. Anal. Optim., Vol. 33, Issue 7-9 (2012), 847-871
- Atomic decompositions of Besov spaces related to symmetric cones, Contemporary Mathematics, Vol. 598 (2013), 97-110
- Multi-window Gabor frames in amalgam spaces, w. R. Balan, I.A. Krishtal, K. Okoudjou and J.L. Romero, Math. Res. Lett., Vol. 21, Number 1 (2014), 55-69
- Sampling in Euclidean and Non-Euclidean Domains: A Unified Approach, w. S. Casey, Chapter in Applied and Numerical Harmonic Analysis book series Sampling Theory, a Renaissance. Birkhauser, Boston (2015).
- New atomic decompositions for Bergman spaces on the unit ball, w. K. Grochenig and G. Olafsson, Indiana Univ. Math. J., Vol. 66, Issue 1 (2017), 205-235
- Surjectivity of mean value operators on noncompact symmetric spaces, w. F. Gonzalez and T. Kakehi in J. Funct. Anal. 272 (2017), no. 9, 3610-3646.
- Atomic decompositions of mixed norm Bergman spaces on tube type domains , accepted into an AMS Contemporary Mathematics volume.
- Coorbits for projective representations with an application to Bergman spaces w. A. Darweesh and G. Olafsson, submitted.