Blowing up Feynman integrals

@misc{citeulike:3023222, abstract = {In this talk we discuss sector decomposition. This is a method to disentangle overlapping singularities through a sequence of blow-ups. We report on an open-source implementation of this algorithm to compute numerically the Laurent expansion of divergent multi-loop integrals. We also show how this method can be used to prove a theorem which relates the coefficients of the Laurent series of dimensionally regulated multi-loop integrals to periods.}, author = {Bogner, Christian and Weinzierl, Stefan }, citeulike-article-id = {3023222}, eprint = {0806.4307}, keywords = {nlo, physics, qft}, month = {Jun}, posted-at = {2008-07-20 23:03:24}, priority = {2}, title = {Blowing up Feynman integrals}, url = {http://arxiv.org/abs/0806.4307}, year = {2008} }

TY - ELEC ID - citeulike:3023222 L3 - citeulike-article-id:3023222 TI - Blowing up Feynman integrals N2 - In this talk we discuss sector decomposition. This is a method to disentangle overlapping singularities through a sequence of blow-ups. We report on an open-source implementation of this algorithm to compute numerically the Laurent expansion of divergent multi-loop integrals. We also show how this method can be used to prove a theorem which relates the coefficients of the Laurent series of dimensionally regulated multi-loop integrals to periods. KW - nlo KW - physics KW - qft AU - Bogner, Christian AU - Weinzierl, Stefan PY - 2008/Jun/26/ UR - http://arxiv.org/abs/0806.4307 ER -