Description
Abstract: I aim to give an overview of the different twists available in 3d QFT: holomorphic-topological for N \geq 2 SUSY, and fully topological A and B twists for N=4 SUSY. I will describe what local and extended operators look like in these twists (both abstract structure and concrete examples), connecting to various modern applications such as boundary chiral algebras, stable envelopes, and quantum K theory; and I'll try to explain how the various twists relate to each other in the case of 3d N=4 SUSY.
