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Author

Jacob S. Christiansen

Observed names: Christiansen, Jacob S., J. S. Christiansen, J.S. Christiansen, Jacob Christiansen, Jacob S Christiansen, Jacob Stordal Christiansen
Institution: Lund University
ORCID: 0000-0002-3417-8574
Observed ORCID: 0000-0002-3417-8574
OpenAlex ID: A5007401767
The moment problem associated with the Stieltjes–Wigert polynomials
2003 · Jacob Stordal Christiansen · Journal of Mathematical Analysis and Applications · 68
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Indeterminate Moment Problems within the Askey-scheme
2004 · Jacob S. Christiansen · 36
Finite Gap Jacobi Matrices, I. The Isospectral Torus
2009 · Jacob S. Christiansen, Barry Simon, et al. · Constructive Approximation · 33
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A moment problem and a family of integral evaluations
2005 · Jacob S. Christiansen, Mourad E. H. Ismail · Transactions of the American Mathematical Society · 33
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Self-adjoint difference operators and classical solutions to the Stieltjes–Wigert moment problem
2006 · Jacob S. Christiansen, Erik Koelink · Journal of Approximation Theory · 31
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Self-Adjoint Difference Operators and Symmetric Al-Salam–Chihara Polynomials
2007 · Jacob S. Christiansen, Erik Koelink · Constructive Approximation · 28
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Szegő's theorem on Parreau–Widom sets
2011 · Jacob S. Christiansen · Advances in Mathematics · 27
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Finite Gap Jacobi Matrices, II. The Szegő Class
2010 · Jacob S. Christiansen, Barry Simon, et al. · Constructive Approximation · 24
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Asymptotics of Chebyshev polynomials, II: DCT subsets of R
2019 · Jacob S. Christiansen, Barry Simon, et al. · Duke Mathematical Journal · 23
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Indeterminate moment problems related to birth and death processes with quartic rates
2004 · Jacob S. Christiansen · Journal of Computational and Applied Mathematics · 20
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On the Krein and Friedrichs extensions of a positive Jacobi operator
2005 · B. Malcolm Brown, Jacob S. Christiansen · Expositiones Mathematicae · 19
Asymptotics of Chebyshev Polynomials. IV. Comments on the Complex Case
2020 · Jacob S. Christiansen, Barry Simon, et al. · Journal d Analyse Mathématique · 15
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Asymptotics of Chebyshev Polynomials, III. Sets Saturating Szegő, Schiefermayr, and Totik–Widom Bounds
2020 · Jacob S. Christiansen, Barry Simon, et al. · Operator theory · 15
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Finite Gap Jacobi Matrices, III. Beyond the Szegő Class
2012 · Jacob S. Christiansen, Barry Simon, et al. · Constructive Approximation · 13
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Asymptotics of Chebyshev polynomials, V. residual polynomials
2021 · Jacob S. Christiansen, Barry Simon, et al. · The Ramanujan Journal · 12
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Finite gap Jacobi matrices: A review
2013 · Jacob Christiansen, Barry Simon, et al. · Proceedings of symposia in pure mathematics · 11
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Extremal Polynomials and Sets of Minimal Capacity
2024 · Jacob S. Christiansen, Benjamin Eichinger, et al. · Constructive Approximation · 9
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Julia Sets of Orthogonal Polynomials
2018 · Jacob Stordal Christiansen, Christian Henriksen, et al. · Potential Analysis · 9
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Chebyshev Polynomials Related to Jacobi Weights
2025 · Jacob S Christiansen, Olof Rubin · International Mathematics Research Notices · 6
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Filled Julia Sets of Chebyshev Polynomials
2021 · Jacob Stordal Christiansen, Christian Henriksen, et al. · Journal of Geometric Analysis · 5
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Finite gap Jacobi matrices: An announcement
2009 · Jacob S. Christiansen, Barry Simon, et al. · Journal of Computational and Applied Mathematics · 5
Widom Factors and Szegő–Widom Asymptotics, a Review
2022 · Jacob S. Christiansen, Barry Simon, et al. · Operator theory · 4
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Dynamics in the Szegő class and polynomial asymptotics
2019 · Jacob S. Christiansen · Journal d Analyse Mathématique · 4
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Bounds for weighted Chebyshev and residual polynomials on subsets of $${\mathbb {R}}$$
2026 · Jacob S. Christiansen, Barry Simon, et al. · Constructive Approximation · 3
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A Geometric Approach to Approximating the Limit Set of Eigenvalues for Banded Toeplitz Matrices
2024 · Teodor Bucht, Jacob S. Christiansen · SIAM Journal on Matrix Analysis and Applications · 2
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Works count: 38
Citation count: 462
H-index: 13
I10-index: 16
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