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when toggle format what by license comment
Jun 9, 2014 at 19:21 comment added Urs Schreiber Hi Yonatan! Thanks for reviving this 2 year old question! What you write is closely related to the issue of commuting over mono-filtered diagrams that I mentioned. But your formulation is much nicer and better, thanks.
Jun 9, 2014 at 18:25 history edited Yonatan Harpaz CC BY-SA 3.0
added 7 characters in body
Jun 9, 2014 at 18:13 history answered Yonatan Harpaz CC BY-SA 3.0