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Niklas Brännström, PhD

Postdoctoral research fellow

email: niklas.brannstrom at

Telephone: +358-9-191 51529

Postal address:
Department of Mathematics
P.O. Box 68
FI-00014 University of Helsinki

Visiting address:
Room B421
Gustaf Hällströms gata 2b (Kumpula campus)
00014 University of Helsinki

Photograph courtesy of Oskari Ajanki


Introduktion till diskret matematik, hösten 2009



N. Brännström, E. de Simone, V. Gelfreich, Geometric shadowing in slow-fast Hamiltonian systems with one slow degree of freedom, (preprint:, 2009

V. Gelfreich, N. Brännström, Asymptotic series for the splitting of separatrices near a Hamiltonian bifurcation, (preprint:, 2008


N. Brännström, Averaging in weakly coupled discrete dynamical systems, Journal of Nonlinear Mathematical Physics, (to appear), 2009

N. Brännström, V. Gelfreich, Drift of slow variables in slow-fast Hamiltonian systems, Physica D 237, pp. 2913-2921, 2008

N. Brännström, Drift in the slow dynamics of Hamiltonian systems with two time scales, PhD Thesis, University of Warwick, Dec 2007.

Conference proceedings:

V. Gelfreich, N. Brännström, Slow drift in a slow-fast Hamiltonian system, conference proceedings of the 6th EUROMECH Nonlinear Dynamics Conference (ENOC 2008),


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