Maruyoshi-Song Flows and Defect Groups of $D_p^b(G)$ Theories

Saghar S. Hosseini, Robert Moscrop

We study the defect groups of $D_p^b(G)$ theories using geometric engineering and BPS quivers. In the simple case when $b=h^{\vee }(G)$, we use the BPS quivers of the theory to see t…