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hep-th2023
Dualities and Symmetries of Quantum Field Theories from Brane Engineering
Xingyang Yu
This dissertation presents a study of dualities and generalized global symmetries in quantum field theories (QFTs) from the string theory perspective. Chapter 2 is based on the wor…
hep-th2023
Intermediate Defect Groups, Polarization Pairs, and Non-invertible Duality Defects
Craig Lawrie, Xingyang Yu, Hao Y. Zhang
Within the framework of relative and absolute quantum field theories (QFTs), we present a general formalism for understanding polarizations of the intermediate defect group and con…