Not a very new one, but (as most of what Baez writes), quite interesting. The most enlightening bit for me:
Many of the puzzling features of quantum theory come from the noncartesianness of the usual tensor product in Hilb.
Not a very new one, but (as most of what Baez writes), quite interesting. The most enlightening bit for me:
Many of the puzzling features of quantum theory come from the noncartesianness of the usual tensor product in Hilb.