Background and activities
Teaching (courses)
- spring 2013: MA 3403 Algebraic topology I, MA 8402 Lie groups
- fall 2013: MA 3403 Algebraisc topology I, MA 8402 Lie groups
- spring 2014: TMA 4190 Manifolds, MA3405 Algebraic topology II (reading course)
- fall 2014: MA 3403 Algebraic topology I, .
- fall 2015: MA 3403 Algebraic topology I .
- fall 2016: MA 3403 Algebraic topology I
Projects for students
Scientific, academic and artistic work
Displaying a selection of activities. See all publications in the database
2014
- (2014) Symbol Correspondences for Spin Systems. Springer. 2014. ISBN 978-3-319-08197-7.
2009
- (2009) Differential equations - geometry, symmetries and integrability : the Abel Symposium 2008 : proceeding of the Fifth Abel Symposium, Tromsø, Norway, June 17-22, 2008. Springer. 2009. ISBN 978-3-642-00872-6.
- (2009) Differential Equations: Geometry, Symmetries and Integrability. Springer Publishing Company. 2009. ISBN 978-3-642-00872-6.
2008
- (2008) An equivariant Riemannian geometric approach to the 3-body problem in celestial mechanics. Communications in Mathematical Analysis.
- (2008) Global geometry of 3-body motions with vanishing angular momentum,I. Chinese Annals of Mathematics. Series B. vol. 29.
- (2008) Global geometry of planary 3-body motions. Acta Applicandae Mathematicae - An International Survey Journal on Applying Mathematics and Mathematical Applications. vol. 101.
2007
- (2007) Kinematic geometry of triangles and the study of the three-body problem. Lobachevskii Journal of Mathematics. vol. 25.
2006
- (2006) A geometric study of many body systems. Lobachevskii Journal of Mathematics. vol. 24.
2001
- (2001) Biografisk perle om matematikaren Sophus Lie. Apollon : Forskningsmagasin for Universitetet i Oslo.
- (2001) On the geometry and behavior of n-body motions. International journal of mathematics and mathematical sciences. vol. 28 (12).
2000
- (2000) Elliptiske funksjonar i elementær analyse. Nordisk Matematisk Tidsskrift. vol. Årgang 48 (1).
- (2000) Frå Kepler-problemet til tre-lekamsproblemet og dei trojanske asteroidar. Nordisk Matematisk Tidsskrift. vol. Årgang 48 (3).
1997
- (1997) Compact connected Lie transformation groups on spheres with low cohomogeneity. II. 1997. ISBN 0-8218-0483-9.
- (1997) Lie transformation groups on homotopy spheres with low cohomogeneity. [Mangler data] . [Mangler data]; Århus Universitet, Danmark.
1996
- (1996) Compact connected Lie transformation groups on spheres with low cohomogeneity, I. 1996.