Papers › Interpolation of Dense and Sparse Rational Functions and other Improvements in FireFly
Interpolation of Dense and Sparse Rational Functions and other Improvements in FireFly
Jonas Klappert, Sven Yannick Klein, Fabian Lange
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We present the main improvements and new features in version 2.0 of the open-source C++ library FireFly for the interpolation of rational functions. This includes algorithmic improvements, e.g. a hybrid algorithm for dense and sparse rational functions and an algorithm to identify and remove univariate factors. The new version is applied to a Feynman-integral reduction to showcase the runtime improvements achieved. Moreover, FireFly now supports parallelization with MPI and offers new tools like a parser for expressions or an executable for the insertion of replacement tables.
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