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Jan 30, 2019 at 18:14 comment added Roger Van Peski @DavidESpeyer is the interpretation in terms of LU decomposition which you mention present in Danilov and Koshevoy? I didn’t see it there but perhaps I just didn’t understand what was going on well enough.
May 25, 2012 at 23:48 comment added David E Speyer Yes. The literature by Kirillov and his Japanese collaborators use the word "tropical" backwards from everyone else. Allen Knuston pointed out to me that their usage is more logical -- if you think about thermodynamics, then the discrete piecewise linear side should be the temperature zero limit. But it doesn't seem likely that this usage will be adopted by many others.
May 25, 2012 at 19:21 comment added Gjergji Zaimi Thanks! The word tropical seems to be used in a funny way here (doesn't it usually go the other way around?).
May 25, 2012 at 11:54 history answered David E Speyer CC BY-SA 3.0