== Project aim == We intend to discuss prospects for NNLO subtraction methods to tackle the next frontier of 2->3 processes. What are the challenges of the different methods, what extensions and improvements are necessary to go beyond what has been done so far? Interested candidates can put their name down on this list: == Participants == * Raoul Roentsch * Alexander Huss * Xuan Chen * Joao Pires * Joey Huston * Giovanni Pelliccioli * Stefan Kallweit === Discussion === {{2019:groups:session1:roentsch_lh19.pdf| Raoul's Intro}} {{2019:groups:sm:2019-06-13_lh_njettiness_ft.pdf | Frank's slides }} {{2019:groups:session1:roentsch_lh19_nsc.pdf| Raoul's slides}} {{2019:groups:sm:qtsub_ttbar.pdf| Javier's talk}}