Involved researchers:

Othmar Koch (PI, University of Vienna)

Karsten Held (Co-PI, Vienna University of Technology)

Karolina Kropielnicka (International collaborator, University of Gdansk)

Christian Lubich (International collaborator, University of Tübingen)

Winfried Auzinger (National collaborator, Vienna University of Technology)

Mechthild Thalhammer (National collaborator, University of Innsbruck).

So far, the project yielded the following articles and preprints and conference presentations.

- H. Hofstätter and O. Koch,
*Non-satisfiability of a positivity condition for commutator-free exponential integrators of order higher than four*, submitted.

You can download a preprint of this paper from https://arxiv.org/abs/1709.08473

- W. Auzinger,
H. Hofstätter, O. Koch, M. Quell, and M. Thalhammer,
*A posteriori error estimation for Magnus-type integrators*, submitted.

You can download a preprint of this paper as a .pdf file.

- W. Auzinger and O. Koch,
*An improved local error estimator for symmetric time-stepping schemes*, Appl. Math. Lett. 82(2018), pp.106-110.

Archived at https://uscholar.univie.ac.at/.

**Oral Presentations**

- H. Hofstätter,
*Order conditions for exponential integrators*, 14th Austrian Numerical Analysis Day 2018, Klagenfurt, May 2018. Joint with W. Auzinger and O. Koch.

page written by Othmar Koch.last modification: Tue Apr 10 14:00 MET 2018 |