Interpolation of Dense and Sparse Rational Functions and other Improvements in

04/03/2020
by   Jonas Klappert, et al.
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We present the main improvements and new features in version of the open-source library 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, now supports parallelization with and offers new tools like a parser for expressions or an executable for the insertion of replacement tables.

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