Counting surfaces on Calabi-Yau 4-folds II: $\mathrm{DT}$-${\mathrm{PT}}_0$ correspondence

Younghan Bae, Martijn Kool, Hyeonjun Park

This is the second part in a series of papers on counting surfaces on Calabi-Yau 4-folds. In this paper, we introduce $K$-theoretic $\mathrm{DT},{\mathrm{PT}}_0,{\mathrm{PT}}_1$ inva…