visit to U Oregon.

It is very useful to consider singular Soergel module.

Question: is crossing the same as merge then split?

What is $x_1, x_2$? Consider $Fl(0,1,2)$, the complete flag in $\C^2$

In a 2-category, there are more directions to make a line segment into a circle. There are the monoidal direction, the 1-categorical direction. And, there are the omp