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Kira
Feynman integral reduction program
| About |
Kira is a Feynman integral reduction program written in C++. The reduction is performed with the help of the computer algebra system Fermat. Since version 2.0, it offers a second strategy based on finite field interpolation and reconstruction techniques with the help of the C++ library FireFly.
On this website you find precompiled and statically linked executables for different versions of Kira here. Tarballs of the source code are available here. The installation instructions can be found here or in README.rst in the tarball.
The source code is also available from a git repository at GitLab. The repository receives more frequent updates.
This webpage is still under construction.
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| Cite |
When Kira is used for a publication please cite
J. Klappert, F. Lange, P. Maierhöfer, J. Usovitsch,
Comput. Phys. Commun. 266 (2021) 108024,
arXiv:2008.06494
P. Maierhöfer, J. Usovitsch, P. Uwer,
Comput. Phys. Commun. 230 (2018) 99,
arXiv:1705.05610
as well as
R. H. Lewis,
Computer Algebra System Fermat,
https://home.bway.net/lewis
If FireFly is used, please also cite
J. Klappert, S. Y. Klein, F. Lange,
Comput. Phys. Commun. 264 (2021) 107968,
arXiv:2004.01463
J. Klappert, F. Lange,
Comput. Phys. Commun. 247 (2020) 106951,
arXiv:1904.00009
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