Geir Bogfjellmo

Publications

Bogfjellmo, Geir; Modin, Klas; Verdier, Olivier. (2018) A Numerical Algorithm for C2-splines on Symmetric Spaces. SIAM Journal on Numerical Analysis. volum 56 (4).
Academic article
Bogfjellmo, Geir; Schmeding, Alexander. (2018) The geometry of characters of hopf algebras. Abel Symposia. volum 13.
Academic article

Bogfjellmo, Geir; Curry, Charles Henry Alexander; Manchon, Dominique. (2017) Hamiltonian B-series and a Lie algebra of non-rooted trees. Numerische Mathematik. volum 135 (1).
Academic article
Bogfjellmo, Geir; Schmeding, Alexander. (2017) The Lie Group Structure of the Butcher Group. Foundations of Computational Mathematics. volum 17 (1).
Academic article

Bogfjellmo, Geir; Dahmen, Rafael; Schmeding, Alexander. (2016) Character groups of Hopf algebras as infinite-dimensional Lie groups. Annales de l'Institut Fourier. volum 66 (5).
Academic article
Bogfjellmo, Geir; Marthinsen, Håkon. (2016) High-Order Symplectic Partitioned Lie Group Methods. Foundations of Computational Mathematics. volum 16 (2).
Academic article
Bogfjellmo, Geir; Schmeding, Alexander. (2016) The tame Butcher group. Journal of Lie theory. volum 26 (4).
Academic article

Bogfjellmo, Geir. (2019) Algebraic structure of aromatic B-series. Journal of Computational Dynamics. volum 6 (2).
Academic article
Bogfjellmo, Geir; Modin, Klas; Verdier, Olivier. (2018) A Numerical Algorithm for C2-splines on Symmetric Spaces. SIAM Journal on Numerical Analysis. volum 56 (4).
Academic article
Bogfjellmo, Geir; Schmeding, Alexander. (2018) The geometry of characters of hopf algebras. Abel Symposia. volum 13.
Academic article
Bogfjellmo, Geir; Curry, Charles Henry Alexander; Manchon, Dominique. (2017) Hamiltonian B-series and a Lie algebra of non-rooted trees. Numerische Mathematik. volum 135 (1).
Academic article
Bogfjellmo, Geir; Schmeding, Alexander. (2017) The Lie Group Structure of the Butcher Group. Foundations of Computational Mathematics. volum 17 (1).
Academic article
Bogfjellmo, Geir; Dahmen, Rafael; Schmeding, Alexander. (2016) Character groups of Hopf algebras as infinite-dimensional Lie groups. Annales de l'Institut Fourier. volum 66 (5).
Academic article
Bogfjellmo, Geir; Marthinsen, Håkon. (2016) High-Order Symplectic Partitioned Lie Group Methods. Foundations of Computational Mathematics. volum 16 (2).
Academic article
Bogfjellmo, Geir; Schmeding, Alexander. (2016) The tame Butcher group. Journal of Lie theory. volum 26 (4).
Academic article

Academic lecture

Bogfjellmo, Geir. (2015) Character groups of Hopf algebras are Lie groups. Math on the Rocks . Chalmers & Göteborgs Universitet; Grundsund. 2015-07-27 - 2015-08-01.
Academic lecture

Bogfjellmo, Geir. (2015) Character groups of Hopf algebras are Lie groups. Brainstorming Workshop on New Developments in Discrete Mechanics, Geometric Integration and Lie-Butcher Series . ICMAT; Campus Cantoblanco, Madrid. 2015-05-25 - 2015-05-28.
Academic lecture

Bogfjellmo, Geir. (2015) Infinite Dimensional Lie groups in Numerical Analysis. SciCADE . Potsdam University; Potsdam. 2015-09-14 - 2015-09-18.
Academic lecture

Bogfjellmo, Geir. (2015) The Butcher Group is a Lie group. MaGIC 2015 . UiB; Myrkdalen. 2015-02-25 - 2015-03-01.

Academic lecture

Bogfjellmo, Geir. (2014) Approximate volume preservation using aromatic B-series. MaGIC 2014 . NTNU; Meråker. 2014-02-24 - 2014-02-27.
Academic lecture

Bogfjellmo, Geir. (2014) The Butcher Group is a Lie group. Foundations of Computational Mathematics conference . Society for Foundations of Computational Mathematics; Montevideo. 2014-12-11 - 2014-12-20.

Academic lecture

Marthinsen, Håkon; Bogfjellmo, Geir. (2013) Symplectic Lie group methods. MaGIC 2013 . Numerics groups, NTNU, UiB; Geilo. 2013-02-26 - 2013-03-01.

Academic lecture

Bogfjellmo, Geir. (2012) Lie–-Butcher series. Winterschule in Numerical Differential Equations . Numerics group Massey university; Massey university. 2012-05-07 - 2012-05-08.
Academic lecture

Bogfjellmo, Geir. (2012) Symmetry-preserving Schemes Using Moving Frames. MaGIC 2012 . Numerics groups, NTNU, UiB, La Trobe and Massey.; Mistletoe Bay. 2012-01-15 - 2012-01-19.