Looking at the map in #Auxerre, I find a "Boulevard du 11 Novembre" and a "Rue du 4 Septembre", and I am suddenly reminded of that fantastic talk by @WoollyBenguin at #BigMathsJam a few years ago.
Looking at the map in #Auxerre, I find a "Boulevard du 11 Novembre" and a "Rue du 4 Septembre", and I am suddenly reminded of that fantastic talk by @WoollyBenguin at #BigMathsJam a few years ago.