I left the TENET references on the cutting room floor.
I too found it really surprising that the reverse-time equation has a simple closed form. Like, surely breaking a glass is easier than unbreaking it? That’s part of what got me interested in this stuff in the first place!
If you haven’t seen it yet, highly recommend the blogs of Sander Dieleman & Yang Song (who co-invented the SDE interpretation).
I too found it really surprising that the reverse-time equation has a simple closed form. Like, surely breaking a glass is easier than unbreaking it? That’s part of what got me interested in this stuff in the first place!
If you haven’t seen it yet, highly recommend the blogs of Sander Dieleman & Yang Song (who co-invented the SDE interpretation).