Personal profile
Profile
2008 Cand. Scient. Applied Mathematics DTU
2010 PhD Applied Mathematics Uni Surrey, UK
2011 Visiting fellow, visiting assistant professor City U Hong Kong
2012 HC Ørsted Post doc DTU Mathematics
2013-2016 Assistant Professor DTU Compute, Section of Mathematics
2016 onwards Associate Professor DTU Compute, Section of Mathematics
Research interests: Dynamical systems, singular perturbation theory, blowup.
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- 1 Similar Profiles
Collaborations and top research areas from the last five years
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On k-Summable Normal Forms of Vector Fields with One Zero Eigenvalue
De Maesschalck, P. & Kristiansen, K. U., 2026, In: Qualitative Theory of Dynamical Systems. 25, 33 p., 4.Research output: Contribution to journal › Journal article › Research › peer-review
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Switching, multiple time-scales and geometric blow-up in a low-dimensional gene regulatory network
Jelbart, S., Kristiansen, K. U. & Szmolyan, P., 2026, In: Journal of Mathematical Biology. 92, 23, 38 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Tropicalization of planar polynomial ODEs
Kristiansen, K. U. & Sarantaris, A. H., 2026, In: Journal of Differential Equations. 456, 64 p., 113958.Research output: Contribution to journal › Journal article › Research › peer-review
Open AccessFile11 Downloads (Orbit) -
A Dynamical Systems Approach to WKB-Methods: The Eigenvalue Problem for a Single Well Potential
Kristiansen, K. U. & Szmolyan, P., 2025, In: Studies in Applied Mathematics. 155, 5, 24 p., e70141.Research output: Contribution to journal › Journal article › Research › peer-review
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Analytic weak-stable manifolds in unfoldings of saddle-nodes
Kristiansen, K. U. & Szmolyan, P., 2025, In: Nonlinearity. 38 , 70 p., 025019.Research output: Contribution to journal › Journal article › Research › peer-review
Open AccessFile54 Downloads (Orbit)
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Exponentially small phenomena in Geometric Singular Perturbation Theory
Christensen, J. M. (PhD Student), Kristiansen, K. U. (Main Supervisor) & Wechselberger, M. (Supervisor)
01/11/2025 → 31/10/2028
Project: PhD
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From non-smooth to smooth - on regularization using slow-fast theory
Bossolini, E. (PhD Student), Brøns, M. (Main Supervisor), Galvanetto, U. (Supervisor), Kristiansen, K. U. (Supervisor), Henriksen, C. (Examiner), Hogan, S. J. (Examiner), Szmolyan, P. (Examiner) & Hogan, S. J. (Examiner)
Technical University of Denmark
15/10/2014 → 13/12/2017
Project: PhD
Activities
- 1 Participating in or organising a conference
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SIAM Conference on Applications of Dynamical Systems 2017
Brøns, M. (Participant), Kristiansen, K. U. (Participant), Champneys, A. R. (Chairman) & Hogan, J. (Chairman)
22 May 2017Activity: Attending an event › Participating in or organising a conference